Grayloc Catalog (GLOC 105 11 09 5M) 20

User Manual: 105-20

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Grayloc®

Product Catalog

Grayloc Products is pleased to offer its products with the products/

services guarantee as set forth in the terms and conditions printed on page 31

of this catalog. These terms and conditions apply to written or oral orders.

The Grayloc product guarantee is only valid when the installation and mainte-

nance instructions on page 30 are followed. For any questions about Grayloc

Products or their selection, installation, use, or service, please contact the

nearest office listed on the back cover for professional assistance and service.

Engineering Services

❖Custom design

❖Finite element analysis

❖Retrofit designs

❖Testing program development

❖Project technical support

❖State of the art metal-to-metal seal designs

Quality Programs

❖ASME Section VIII, Division 1 & 2

❖MIL-I-45208A inspection system requirements

❖ISO 9001

❖Total product materials traceability

❖Complete calibration program, with certifica-

tions, traceable to the National Calibration

Bureau of Standards and Technology

Customer Order Processing

❖Highly trained personnel

❖State of the art machine tools

❖Large raw material inventory

❖Large service oriented finished goods inventory

❖Action team for critical orders

❖Factory trained field service technicians

available 24 hours a day, 7 days a week

❖Packaging and shipment preparation that

exceeds industry standards

❖Project management

Grayloc Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

The Grayloc Metal-to-Metal Seal . . . . . . . . . . . . . . . .4

Grayloc Connector Applications . . . . . . . . . . . . . . . . .5

Tension, Compression, Bending . . . . . . . . . . . . . . . . .6

Conserves Space and Weight . . . . . . . . . . . . . . . . . .7

Saves Time and Money . . . . . . . . . . . . . . . . . . . . . . .8

How to Select Grayloc Connectors . . . . . . . . . . . . . . . . .9

Part Numbers/ Dimensions . . . . . . . . . . . . . . . . . . . . . .10

Butt Weld Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . .10

Blind Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Clamp Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . .16

Seal Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17

Other Products and Piping Accessories . . . . . . . . . . .18

Seal Rings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18

Heavy-Duty Connectors . . . . . . . . . . . . . . . . . . . . . .19

Hubs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

Fittings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

Special Connectors . . . . . . . . . . . . . . . . . . . . . . . . .22

Jacketed Connectors . . . . . . . . . . . . . . . . . . . . . . . .23

Remotely Operated Connectors . . . . . . . . . . . . . . . .24

Grayloc Compact Flanges . . . . . . . . . . . . . . . . . . . .25

Nozzles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26

Thermowells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27

Hinged Vessel Closures . . . . . . . . . . . . . . . . . . . . . .27

Studded Vessel Closures . . . . . . . . . . . . . . . . . . . . .28

Conversion and Torque Requirements . . . . . . . . . . . . .29

API Flange to Grayloc Connector Conversion . . . . . .29

Bolting Torque Required for Grayloc Clamps . . . . . . .29

Installation and Maintenance Instructions . . . . . . . . . .30

Standard Terms and Conditions . . . . . . . . . . . . . . . . . .31

Engineering, Manufacturing and

Sales Locations . . . . . . . . . . . . . . . . . . .Back Cover

Grayloc®Products

Clamp

Seal Ring

Hub

The Grayloc Metal-to-Metal Seal

A Grayloc®connector has three

components:

❖Metal Seal Ring — The seal

ring resembles a “T” cross

section. The leg of the “T”

forms a rib that is held by the

hub faces as the connection

is madeup. The two arms

form lip seals that create an

area of sealing surface with

the inner surface of the hub.

Internal pressure works to

reinforce this seal.

❖Two Hubs — The clamp fits

over the two hubs and forces

them against the seal ring

rib. As the hubs are drawn

together by the clamp

assembly, the seal ring lips

deflect against the inner

sealing surfaces of the hubs.

This deflection elastically

loads the lips of the seal ring

against the inner sealing

surface of the hub, forming

a self-energized seal.

❖Clamp Assembly —

Designed to provide nearly

360° clamping contact with

the hubs. A relief notch in

the center of the clamp

segments allow even distri-

bution of makeup forces.

No specific orientation is

required when installed.

How the Grayloc Connector Seals

Seal Ring

Lip

Clamping

Surface

Rib

Under Pressure:

Grayloc Connector vs. Flange

Rib of the seal ring is clamped between hub faces. Lips of

the seal ring engage inner hub surface in an interference fit

which deflects the lips to achieve a seal.

Pressure acts directly on the flange faces

reducing seal integrity.

Internal pressure energizes the

Grayloc seal lips, reinforcing the seal.

The simplicity, sealing efficiency,

and economy of the Grayloc®

connector benefits a wide

range of industries in various

applications:

❖Petrochemical Industry —

Reactor vessel nozzles,

vessel closures, general

piping/valve ends in petro-

leum refining and chemical

processing plants.

❖Synthetic Fuels, Coal

Gasification, and Coal

Liquefaction —

General piping, vessel

closures, reactor vessels,

and valve ends.

❖Power Industry —

General piping/valve ends,

steam lines, pump inlet/

outlet lines, and chemical

clean out closures.

❖Oil and Gas Production —

Onshore and offshore well-

heads, tees and ells, mani-

folds, chokes, valve ends,

compressors, general piping,

loading risers and pipelines.

❖Marine — Subsea piping

and riser systems, floating

production, storage, offload-

ing (FPSO) vessels, and

tanker loading and unloading

facilities.

❖Aerospace —

Rocket test stands, fuel lines,

hydraulic and pneumatic

piping systems.

❖Food Processing—

Sanitary/general piping

connectors, vessel closures

and valve ends.

❖Environmental —

Hazard waste disposal

and fugitive emissions

containment.

Grayloc Connector Applications

The Office of Coal Research, U.S. Department of the Interior, and the

American Gas Association jointly sponsored a program to develop coal

gasification technology. On this pre-quench tower for raw gas purification,

two Grayloc vessel closures and several smaller Grayloc connectors were

used for pressures of 1,650 psi and temperatures to 650° F.

Photograph courtesy of the Institute of Gas Technology. The use of Grayloc connectors, on a Centex Oil and Gas, Inc. platform

in the Gulf of Mexico, saved 15" of horizontal space on the separator

manifolding of this skid-mounted production unit, and reduced the total

topside platform weight by more than 11 tons.

Vibration: 80 to 200 cycles per second under 6,600 psi

High Temperature: Service experience to 1700° F.

Low Temperature: Routine liquefied gas service including liquid

hydrogen and nitrogen to -425° F.

Thermal Shock: Routine service with temperature changes up to

300° F. per hour.

Corrosion: Liquid sodium service at 1200° F.

Zero Leak Rate: 10-6 atm cc/s Helium

Tension

❖Withstands greater tension

loads than conventional

ANSI flanges

❖In most cases, withstands

more tension loading than

the pipe itself

❖In destructive tests, pipe can

be loaded in tension to failure

without causing the Grayloc

connector to leak

Bending

❖Numerous independent tests

have shown that Grayloc con-

nectors withstand severe

bending loads without leaking

or loosening

❖In one test, 21⁄2" GR 20

Grayloc connector was

welded to 21⁄2" Sch. XX

pipe and subjected to a 2"

cold bend, 36" on center —

connector did not leak and

clamp bolting remained tight

Compression

❖In normal piping applications,

it is not possible to overload

the Grayloc connector or seal

ring in compression

❖When very high compressive

loads occur, the maximum

load on the connector is

determined by the limit of

the pipe

❖In most cases, the area

of the seal ring rib is equal

to or larger than that of

the cross section of

adjoining pipe

Anything the pipe can take, so can the Grayloc Connector

Tension, Compression, Bending

When manufactured from the same material as the pipe, the Grayloc®connector surpasses the

strength of the pipe and that of most other components that may be connected.

The rib of the seal ring prevents the seal lip from being crushed by over-tightening. While it acts as

a positive stop during makeup, the rib also transfers compressive and bending loads from one hub

element to another. The rib bearing area is ample to carry the most severe loading that a piping

system can withstand.

Service Extremes

Vibration, heat, cold and thermal

shock often accompany service

in which Grayloc connectors

are heavily loaded. Grayloc

connectors consistently with-

stand severe situations without

routine maintenance. Special

designs permit maintenance-

free service even under the

extreme conditions shown

in the table.

Examples of Grayloc connector applications in

extreme service conditions

The Grayloc®connector is

significantly lighter and smaller

than a comparably rated ANSI

or API ring joint flange connec-

tion, providing an opportunity

to design lightweight, compact

systems. Close piping and

hookup arrangements can

be easily made as the clamp

completely rotates around

the hub.

❖Smaller diameter

❖Shorter length

❖No bolt holes to align

Conserves Space and Weight

Grayloc vs. Flanges

W.P. Diameter Length Weight

Size Connection (psi) (inches) (inches) (pounds)

3" Grayloc Connector 6,593 6.875 6.750 37

ANSI 1500 Flange 3,705 10.500 9.250 121

API 5000 Flange 5,000 10.500 8.625 92

6" Grayloc Connector 6,359 12.000 9.500 144

ANSI 1500 Flange 3,705 15.500 13.500 407

API 5000 Flange 5,000 15.500 14.250 365

10" Grayloc Connector 5,368 17.625 12.325 415

ANSI 1500 Flange 3,705 23.000 20.000 1100

API 5000 Flange 5,000 23.000 20.875 1032

Length

Diameter

Length

Diameter

Saves Time and Money

The Grayloc®connector can

be assembled or disassembled

quicker and easier than a flange

connection. Usually, 3 to 8

Grayloc connectors can be

assembled/disassembled

in the same time as one

flange connection.

❖No bolt holes to align

❖Only 4 bolts to tighten (8 -24

for a conventional flange)

❖Torque required —

as much as 70% lower

than for a RTJ flange

Maintenance is simple with

only four bolts to remove. No

periodic re-tightening of bolts

is required once the connector

is in service.

The necessary inventory of

spare parts is significantly

reduced since the Grayloc

connector is sized according

to pipe size, schedule, and

service. In most instances, only

one Grayloc connector size is

necessary for each pipe size

and seal rings can be reused.

Versatile Design

The standard Grayloc assembly

has two hubs arranged for butt

welding to pipe. However, a

complete line of other piping

components is available for

most pipe sizes and service

conditions.

❖Hubs (socket weld /threaded)

❖Tees and ells

❖Nozzles

Heavy duty connectors for

oilfield and other applications

are available.

Other equipment manufacturers

(valves, pumps, compressors,

vessel, etc.) are licensed to

machine Grayloc hub profile/

seats integral to their products.

Hub Material Selection Chart

ANSI Designation

Group No. Steel Forging

1.1 Carbon (1)A105

A350-LF2

1.2 31⁄2 Ni A350-LF3

1.4 Carbon A350-LF1

1.5 C-1⁄2 Mo A182-F1

1.7 1⁄2 Cr-1⁄2 Mo A182-F2

1.9 1Cr-1⁄2 Mo A182-F12

11⁄4 Cr-1⁄2 Mo A182-F11

1.10 21⁄4 Cr-1Mo A182-F22

1.13 5Cr-1⁄2 Mo A182-F5

A182-F5a

1.14 A182-F9

2.1 18Cr-8Ni A182-F304

A182-F304H

2.2 16Cr-12Ni-2Mo (1)A182-F316

A182-F316H

2.4 18Cr-10Ni-Ti A182-F321

A182-F321H

2.5 18Cr-10Ni-Cb A182-F347

A182-F347H

A182-F348

A182-F348H

2.7 25Cr-20Ni A182-F310

3.5 Alloy 600 B564-N06600

3.6 Alloy 800 B564-N08800

3.8 Alloy C276 B574-N10276

Alloy 625 B564-N06625

Alloy 825 B425-N08825

... Duplex A182-F51

A182-F53

A182-F55

Grayloc®Selection Chart

-20° F. to +700° F.

ANSI Flange Series

600 900 1500 2500 4500

Nominal

Pipe Size Grayloc Size

1⁄21 GR 5 1 GR 5 1 GR 5 1 GR 4 1 GR 4

3⁄41 GR 7 1 GR 7 1 GR 5 1 GR 4 1 GR 4

1 1 GR 11 1 GR 11 1 GR 7 1 GR 5 1 GR 5

11⁄211⁄2GR 14 11⁄2GR 14 11⁄2GR 14 11⁄2GR 11 11⁄2GR 11

2 2 GR 20 2 GR 20 2 GR 20 2 GR 14 2 GR 11

21⁄221⁄2GR 25 21⁄2GR 25 21⁄2GR 25 21⁄2GR 20 21⁄2GR 20

3 3 GR 27 3 GR 27 3 GR 25 3 GR 23 3 GR 20

4 4 GR 40 4 GR 34 4 GR 34 4 GR 31 4 GR 23

5 5 GR 52 5 GR 46 5 GR 46 5 GR 40 5 GR 31

6 6 GR 62 6 GR 62 6 GR 52 6 GR 46 6 GR 34

8 8 GR 82 8 GR 76 8 GR 67 8 GR 52 8 GR 46

10 10 H 97 10 H 94 10 H 84 10 H 72 10 H 62

12 12 M 120 12 M 112 12 M 102 12 M 82 X12 M 72

14 X14 GR 130 X14 GR 120 X14 GR 106

16 X16 GR 140

18 X18 GR 170

20 X20 GR 180

24 X24 GR 220

How to Select Grayloc Connectors

Additional sizes available upon request

Spherical

Face Nut

All Thread Stud

Clamp

Butt Weld Hub

Seal Ring

Notes to Grayloc Selection Chart:

1.Corrosion allowance: 1/32" for 1" nominal and 1/16" for

larger pipe sizes.

2.Connectors listed in the Grayloc Selection Chart exceed

the ANSI ceiling pressure ratings. Actual ratings are

available upon request.

3.Ratings are based on carbon steel clamps.

ANSI Pressure Ratings Ceiling Values

Temperature, °F 600 900 1500 2500 4500

-20 to 100 1500 2250 3750 6250 11250

200 1500 2250 3750 6250 11250

300 1455 2185 3640 6070 10925

400 1410 2115 3530 5880 10585

500 1330 1995 3325 5540 9965

600 1210 1815 3025 5040 9070

650 1175 1765 2940 4905 8825

700 1135 1705 2840 4730 8515

(1) Standard Grayloc materials referenced in

this catalog.

EXAMPLE

2" ANSI 1500 = 2 GR20 Grayloc

Pipe Size Grayloc Ring Size

Grayloc Clamp Size to Match Pipe ID

Part Numbers / Dimensions

Butt Weld Hubs

Grayloc®hubs are usually made of the same

generic material as the other system components

they connect. Standard hub materials are SA105

carbon steel and SA182-F316 stainless steel, but

they can be manufactured from most machinable

metals, including all of the carbon, low alloy,

austenitic stainless steels, MONEL*, INCONEL*,

titanium and zirconium alloys.

Sealing surfaces on carbon steel and low alloy

steel weld hubs and fittings are protected by

electroless nickel coating. The welding bevel

and all part tolerances are in accordance with

ANSI B16.5.

* MONEL and INCONEL are trademarks of Special Metals Corp.

Nominal Sched. Part Number Approx. Seal Pipe Pipe Depth

Pipe or Hub Carbon Stl. Stainless Stl. Weight Ring Clamp OD ID Dimensions (Inches) of

Size Weight Size SA105 SA182-F316(5) (lb.) Size Size A B C D(1) E F Recess(2)

1⁄240 1 GR5 52192D 55955D 0.68 5 1 0.840 0.622 2.000 1.750 1.500 0.313 ......

80 1 GR5 52193D 53439D 0.68 5 1 0.840 0.546 2.000 1.750 1.500 0.313 ......

160 1 GR4 52194D 53686D 0.67 4 1 0.840 0.466 2.000 1.750 1.500 0.313 ......

XX 1 GR4 52195D 53437D 0.73 4 1 0.840 0.252 2.000 1.750 1.500 0.313 ......

3⁄440 1 GR7 52196D 53440D 0.62 7 1 1.050 0.824 2.000 1.750 1.500 0.313 ......

80 1 GR7 52233D 53218D 0.60 7 1 1.050 0.742 2.000 1.750 1.500 0.313 ......

160 1 GR5 52198D 53442D 0.71 5 1 1.050 0.612 2.000 1.750 1.500 0.313 ......

XX 1 GR4 52199D 53447D 0.76 4 1 1.050 0.434 2.000 1.750 1.500 0.313 ......

1 40 1 GR11 53225D 53231D 0.51 11 1 1.315 1.049 2.000 1.750 1.500 0.313 ......

80 1 GR11 53226D 53232D 0.54 11 1 1.315 0.957 2.000 1.750 1.500 0.313 ......

160 1 GR7 53227D 53233D 0.66 7 1 1.315 0.815 2.000 1.750 1.500 0.313 ......

XX 1 GR5 53228D 53234D 0.78 5 1 1.315 0.599 2.000 1.750 1.500 0.313 ......

11⁄240 11⁄2 GR14 52100D 52813D 1.68 14 11⁄21.900 1.610 3.125 2.375 2.375 0.437 ......

80 11⁄2 GR14 52101D 52814D 1.83 14 11⁄21.900 1.500 3.125 2.375 2.375 0.437 ......

160 11⁄2 GR14 52102D 52815D 2.01 14 11⁄21.900 1.338 3.125 2.375 2.375 0.437 ......

XX 11⁄2 GR14 52103D 52816D 2.15 14 11⁄21.900 1.100 3.125 2.375 2.375 0.437 ......

XX 11⁄2 GR11 52134D 52442D 2.38 11 11⁄21.900 1.100 3.125 2.375 2.375 0.500 ......

2 40 2 GR20 52104D 52821D 2.36 20 2 2.375 2.067 3.625 2.750 2.875 0.437 ......

80 2 GR20 52105D 52822D 2.59 20 2 2.375 1.939 3.625 2.750 2.875 0.437 ......

160 2 GR20 52115D 52823D 2.93 20 2 2.375 1.687 3.625 2.750 2.875 0.437 ......

XX 2 GR14 52113D 52824D 3.40 14 2 2.375 1.503 3.625 2.750 2.875 0.437 ......

XX 2 GR11(3)(4) 52337D 999628D 4.00 11 2 2.375 1.503 3.625 2.812 2.875 0.559 0.059

(1) Length of hub (“D” dimension) may increase when used with wall thickness greater than standard pipe schedules. (2) Depth of seal ring seat recess.

(3) Hub with recessed seal ring seat. (4) Hub ID less than pipe ID. (5) SA479-316/316L may be substituted based on material availability.

(6) Carbon steel hub part numbers with “D” suffix are dual certified to SA105/SA350 LF2. (7) Stainless steel hub part numbers with “D” suffix are dual certified

to SA182 F316/F316L.

25°

21⁄240 21⁄2 GR25 52215D 52825D 5.86 25 21⁄2-3 2.875 2.469 5.000 3.250 4.000 0.500 ......

80 21⁄2 GR25 52216D 52826D 6.36 25 21⁄2-3 2.875 2.323 5.000 3.250 4.000 0.500 ......

160 21⁄2 GR20(1) 52218D 52827D 7.16 20 21⁄2-3 2.875 2.125 5.000 3.250 4.000 0.500 ......

XX 21⁄2 GR20 52219D 52828D 7.75 20 21⁄2-3 2.875 1.771 5.000 3.250 4.000 0.500 ......

3 40 3 GR27(4) 52204D 52844D 4.95 27 21⁄2-3 3.500 3.068 5.000 3.250 4.000 0.500 ......

80 3 GR27 52205D 52845D 5.50 27 21⁄2-3 3.500 2.900 5.000 3.250 4.000 0.500 ......

160 3 GR25 52226D 52846D 6.53 25 21⁄2-3 3.500 2.624 5.000 3.250 4.000 0.500 ......

XX 3 GR25 52227D 52847D 7.23 25 21⁄2-3 3.500 2.300 5.000 3.250 4.000 0.500 ......

XX 3 GR23 52247D 53848D 8.00 23 21⁄2-3 3.500 2.300 5.000 3.250 4.000 0.500 ......

XX 3 GR20(4) 52160D 53668D 9.00 20 21⁄2-3 3.500 2.300 5.000 3.250 4.000 0.500 ......

4 40 4 GR40 52302D 52851D 6.97 40 4 4.500 4.026 6.000 3.625 5.000 0.500 ......

80 4 GR40 52303D 52852D 7.80 40 4 4.500 3.826 6.000 3.625 5.000 0.500 ......

120 4 GR34 52418D 55888D 9.39 34 4 4.500 3.624 6.000 3.625 5.000 0.500 ......

160 4 GR34 52311D 52853D 10.13 34 4 4.500 3.438 6.000 3.625 5.000 0.500 ......

XX 4 GR31 52314D 52854D 11.60 31 4 4.500 3.152 6.000 3.625 5.000 0.500 ......

. . . 4 GR27 ...... ...... ...... 27 4 4.500 ...... 6.000 3.625 5.000 0.500 ......

. . . 4 GR25 ...... ...... 15.00 25 4 4.500 ...... 6.000 3.625 5.000 0.500 ......

5 40 5 GR52 52380D 52867D 11.00 52 5 5.563 5.047 7.500 4.375 6.500 0.625 ......

80 5 GR52 52381D 135344D 11.00 52 5 5.563 4.813 7.500 4.375 6.500 0.625 ......

160 5 GR46 52385D 142751D 17.00 46 5 5.563 4.313 7.500 4.375 6.500 0.625 ......

XX 5 GR40 52383D 52870D 21.53 40 5 5.563 4.063 7.500 4.375 6.500 0.625 ......

. . . 5 GR34 ...... ...... 26.00 34 5 5.563 ...... 7.500 4.375 6.500 0.625 ......

. . . 5 GR31 ...... ...... 28.00 31 5 5.563 ...... 7.500 4.375 6.500 0.625 ......

6 40 6 GR62 52400D 52874D 22.00 62 6 6.625 6.065 9.250 4.625 7.750 0.750 ......

80 6 GR62 52401D 52875D 24.17 62 6 6.625 5.761 9.250 4.625 7.750 0.750 ......

160 6 GR52 52413D 52876D 33.19 52 6 6.625 5.187 9.250 4.625 7.750 0.812 ......

XX 6 GR52 52414D 52877D 33.75 52 6 6.625 4.897 9.250 4.625 7.750 0.812 ......

XX 6 GR46(3)(4) 52321D 55891D 37.11 46 6 6.625 4.897 9.250 4.750 7.750 0.934 0.122

. . . 6 GR40(3) ...... ...... 43.00 40 6 6.625 ...... 9.250 4.750 7.750 0.934 0.122

8 40 8 GR82 52405 52878 32.00 82 8 or X8 8.625 7.981 11.500 5.375 10.000 0.750 ......

80 8 GR76 52425G 52882 41.00 76 8 or X8 8.625 7.625 11.500 5.375 10.000 0.750 ......

160 8 GR72 52423G 52880 50.00 72 8 or X8 8.625 6.813 11.500 5.375 10.000 0.750 ......

XX 8 GR72 52422G 52881 50.00 72 8 or X8 8.625 6.875 11.500 5.375 10.000 0.750 ......

XX 8 GR67 H90208-48 H90208-49 52.00 67 8 or X8 8.625 6.875 11.500 5.375 10.000 0.750 ......

. . . 8 GR62 ...... ...... 69.00 62 8 or X8 8.625 ...... 11.500 5.375 10.000 0.750 ......

. . . 8 GR52(3) ...... ...... 78.00 52 8 or X8 8.625 ...... 11.500 5.500 10.000 0.934 0.122

10 40 10H102 52518 52900 55.00 102 10H or X10H 10.750 10.020 13.625 6.000 11.625 1.250 ......

60 10H97 52519 52901 55.00 97 10H or X10H 10.750 9.750 13.625 6.000 11.625 1.250 ......

80 10H97 52520 52902 55.00 97 10H or X10H 10.750 9.562(8) 13.625 6.000 11.625 1.250 ......

160 10H84 52521 52903 89.00 84 10H or X10H 10.750 8.500 13.625 6.000 11.625 1.250 ......

. . . 10H94 ...... ...... 65.00 94 10H or X10H 10.750 ...... 13.625 6.000 11.625 1.250 ......

. . . 10H82 ...... ...... 100 82 10H or X10H 10.750 ...... 13.625 6.000 11.625 1.250 ......

. . . 10H72 ...... ...... 115 72 10H or X10H 10.750 ...... 13.625 6.000 11.625 1.250 ......

. . . 10H62(3) ...... ...... 136 62 10H or X10H 10.750 ...... 13.625 8.000 11.625 1.434 0.184

Nom. Sched. Part Number Approx. Seal Pipe Pipe Depth

Pipe or Hub Carbon Stl. Stainless Stl. Weight Ring Clamp OD ID Dimensions (Inches) of

Size Weight Size SA105 SA182-F316(5) (lb.) Size Size A B C D(1) E F Recess(2)

(1) Length of hub (“D” dimension) may increase when used with wall thickness greater than standard pipe schedules. (2) Depth of seal ring seat recess.

(3) Hub with recessed seal ring seat. (4) Hub ID less than pipe ID. (5) SA479-316/316L may be substituted based on material availability.

(6) Carbon steel hub part numbers with “D” suffix are dual certified to SA105/SA350 LF2. (7) Stainless steel hub part numbers with “D” suffix are dual certified

to SA182 F316/F316L. (8) ID is 9.750 for stainless steel and 9.562 for other steel.

Butt Weld Hubs

12 STD 12M120 52596 52904 70 120 12M or X12M 12.750 12.000 16.000 6.625 14.000 1.375 ......

XS 12M120 52597 52905 70 120 12M or X12M 12.750 11.750 16.000 6.625 14.000 1.375 ......

80 12M112(4) 52598 52906 98 112 12M or X12M 12.750 11.752(8) 16.000 6.625 14.000 1.250 ......

160 12M102 52599G 52907 129 102 12M or X12M 12.750 10.126 16.000 6.625 14.000 1.375 ......

...... 12M82(3) ...... ...... 182 82 12M or X12M 12.750 ...... 16.000 8.000 14.000 1.599 0.184

11 X14GR112 ...... ...... ...... 112 X14 17.250 7.000 15.750 0.687 ......

P112 ...... ...... ...... 112 P or 5P 18.500 7.250 16.500 1.125 ......

12 X14GR120 ...... ...... 202 120 X14 17.250 7.000 15.750 0.812 ......

P120 ...... ...... 153 120 P or 5P 18.500 7.250 16.500 1.250 ......

S120 ...... ...... 271 120 S 21.000 7.875 19.000 1.750 ......

121/2S125 ...... ...... ...... 125 S 21.000 7.875 19.000 1.750 ......

P125 ...... ...... ...... 125 P or 5P 18.500 7.250 16.500 1.250 ......

X14GR125 ...... ....... ...... 125 X14 17.250 7.000 15.750 0.812 ......

13 X14GR130 ...... ...... ...... 130 X14 17.250 7.000 15.750 0.750 ......

P130 ...... ...... ...... 130 P or 5P 18.500 7.250 16.500 1.188 ......

S130 ...... ...... ...... 130 S 21.000 7.875 19.000 1.688 ......

14 X16GR140 ...... ...... ...... 140 X16 19.500 7.750 18.000 0.750 ......

S140 ...... ...... ...... 140 S 21.000 7.875 19.000 1.688 ......

15 X16GR152 ...... ...... ...... 152 X16 19.500 7.750 18.000 0.750 ......

S152 ...... ...... 194 152 S 21.000 7.875 19.000 1.688 ......

16 X18GR160 ...... ...... ...... 160 X18 21.750 8.250 20.250 0.750 ......

U160 ...... ...... 403 160 U 25.000 8.750 23.000 1.625 ......

17 X18GR170 ...... ...... ...... 170 X18 21.750 8.250 20.250 0.750 ......

X20GR170 ...... ...... ...... 170 X20 24.500 8.750 23.000 0.750 ......

18 X20GR180 ...... ...... ...... 180 X20 24.500 8.750 23.000 0.750 ......

U180 ...... ...... 331 180 U 25.000 8.750 23.000 1.625 ......

19 U192 ...... ...... ...... 192 U 25.000 8.750 23.000 1.625 ......

X20GR192 ...... ...... ...... 192 X20 24.500 8.750 23.000 0.750 ......

20 X20GR200 ...... ...... ...... 200 X20 24.500 8.750 23.000 0.750 ......

3V200 ...... ...... 686 200 3V 26.000 9.000 24.000 1.250 ......

3W200 ...... ...... ...... 200 3W 29.500 9.750 27.500 1.250 ......

21 3W215 ...... ...... ...... 215 3W 29.500 9.750 27.500 1.250 ......

X24GR215 ...... ...... ...... 215 X24 29.500 9.750 27.500 1.000 ......

22 3W226 ...... ...... ...... 226 3W 29.500 9.750 27.500 1.250 ......

X24GR226 ...... ...... ...... 226 X24 29.500 9.750 27.500 1.000 ......

23 X24GR232 ...... ...... ...... 232 X24 29.500 9.750 27.500 1.000 ......

24 X24GR240 ...... ...... ...... 240 X24 29.500 9.750 27.500 1.000 ......

Y240 ...... ...... ...... 240 Y 31.250 10.000 29.250 1.625 ......

26 30GR264 ...... ...... ...... 264 30 33.500 10.500 31.500 1.000 ......

29 30GR292 ...... ...... ...... 292 30 33.500 10.500 31.500 1.000 ......

Nom. Sched. Part Number Approx. Seal Pipe Pipe Depth

Pipe or Hub Carbon Stl. Stainless Stl. Weight Ring Clamp OD ID Dimensions (Inches) of

Size Weight Size SA105 SA182-F316(5) (lb.) Size Size A B C D(1) E F Recess(2)

(1) Length of hub (“D” dimension) may increase when used with wall thickness greater than standard pipe schedules. (2) Depth of seal ring seat recess.

(3) Hub with recessed seal ring seat. (4) Hub ID less than pipe ID. (5) SA479-316/316L may be substituted based on material availability.

(6) Carbon steel hub part numbers with “D” suffix are dual certified to SA105/SA350 LF2. (7) Stainless steel hub part numbers with “D” suffix are dual

certified to SA182 F316/F316L. (8) ID is 11.750 for stainless steel and 11.374 for other steel.

Butt Weld Hubs

Nominal I.D. Grayloc Sizes and Hub Dimensions for

Large I.D. Applications are Provided Below

Part Numbers / Dimensions

Blind Hubs

❖Stocked for standard-sized Grayloc®connectors

❖Full pressure rating of the Grayloc connector

❖Can be used as closures for pressure vessels,

heat exchangers, pumps, compressors, etc.

❖Can be drilled and tapped for instrumentation

❖Can be customized to fit specific requirements

25°

Part Number Approx. Seal Depth

Carbon Stl. Stainless Stl. Weight Ring Clamp Dimensions (inches) of

Hub Size SA105 SA182-F316(3) (lb.) Size Size C D E F G Recess(1)

1 GR4 58955D 59497D 1.02 4 1 2.000 1.750 1.500 0.313 0.438 ......

1 GR5 58922D 59525D 1.01 5 1 2.000 1.750 1.500 0.313 0.438 ......

1 GR7 58915D 59523D 0.95 7 1 2.000 1.750 1.500 0.313 0.563 ......

1 GR11 59592D 59524D 0.94 11 1 2.000 1.750 1.500 0.313 0.563 ......

11⁄2GR11 59050D 59300D 3.11 11 11⁄23.125 2.125 2.375 0.500 0.563 ......

11⁄2GR14 59000D 59305D 2.82 14 11⁄23.125 2.125 2.375 0.437 0.688 ......

2 GR11(2) 59044D 59366D 3.85 11 2 3.625 1.750 2.875 0.559 0.563 0.059

2 GR14 59053D 59310D 3.96 14 2 3.625 2.000 2.875 0.437 0.688 ......

2 GR20 59002D 59315D 3.63 20 2 3.625 2.000 2.875 0.437 0.688 ......

21⁄2GR20 59022D 59320D 9.61 20 21⁄2-3 5.000 2.500 4.000 0.500 0.688 ......

21⁄2GR23 46180D 59241D 9.39 23 21⁄2-3 5.000 2.500 4.000 0.500 0.688 ......

21⁄2GR25 59020D 59325D 9.15 25 21⁄2-3 5.000 2.500 4.000 0.500 0.688 ......

3 GR20 59022D 59320D 9.61 20 21⁄2-3 5.000 2.500 4.000 0.500 0.688 ......

3 GR23 46180D 95241D 9.39 23 21⁄2-3 5.000 2.500 4.000 0.500 0.688 ......

3 GR25 59020D 59325D 9.15 25 21⁄2-3 5.000 2.500 4.000 0.500 0.688 ......

3 GR27 59006D 59330D 8.32 27 21⁄2-3 5.000 2.500 4.000 0.500 0.938 ......

4 GR25 59028D 59275D 16.59 25 4 6.000 2.875 5.000 0.500 0.688 ......

4 GR27 58879D

H90103-33D

15.80 27 4 6.000 2.875 5.000 0.500 0.938 ......

4 GR31 59024D 59345D 15.57 31 4 6.000 2.875 5.000 0.500 0.938 ......

4 GR34 59060D 59340D 14.90 34 4 6.000 2.875 5.000 0.500 0.938 ......

4 GR40 59010D 59335 9.72 40 4 6.000 2.125 5.000 0.500 1.000 ......

5 GR31 59146D H90154-4 33.83 31 5 7.500 3.500 6.500 0.625 0.938 ......

5 GR34 59147D 59278D 32.00 34 5 7.500 3.500 6.500 0.625 0.938 ......

5 GR40 58261D 59347D 31.78 40 5 7.500 3.500 6.500 0.625 1.000 ......

5 GR46 59148D 134752D 30.00 46 5 7.500 2.875 6.500 0.625 1.125 ......

5 GR52 58992D 134751D 29.00 52 5 7.500 2.875 6.500 0.625 1.000 ......

6 GR40(2) 59149D 95087D 50.00 40 6 9.250 3.375 7.750 0.934 1.000 0.122

6 GR46(2) 59150D 59282D 49.00 46 6 9.250 3.375 7.750 0.934 1.125 0.122

6 GR52 59064D 59350D 47.02 52 6 9.250 3.500 7.750 0.812 1.000 ......

6 GR62 59014D 59349D 35.43 62 6 9.250 2.875 7.750 0.750 1.000 ......

(1) Depth of seal ring recess.

(2) Hub with recessed seal ring seat.

(3) SA479 316/316L may be substituted based on material availability.

(4) Carbon steel hub part numbers with “D” suffix are dual certified to SA105/SA350 LF2.

(5) Stainless steel hub part numbers with “D” suffix are dual certified to SA182 F316/F316L.

(6) Blind hub sizes, 6 GR and larger, are supplied with an integral lifting profile.

Part Number Approx. Seal Depth

Carbon Stl. Stainless Stl. Weight Ring Clamp Dimensions (inches) of

Hub Size SA105 SA182-F316(3) (lb.) Size Size C D E F G Recess(1)

Blind Hubs

8 GR52(2) 59152 55891 92 52 8 or X8 11.500 3.875 10.000 0.934 1.000 0.122

8 GR62 59071 59285 92 62 8 or X8 11.500 4.250 10.000 0.750 1.000 ......

8 GR67 ...... ...... 87 67 8 or X8 11.500 4.250 10.000 0.750 1.000 ......

8 GR72 59066 59358 75 72 8 or X8 11.500 3.500 10.000 0.750 1.000 ......

8 GR76 59153 59286 70 76 8 or X8 11.500 3.000 10.000 0.750 1.000 ......

8 GR82 59016 59357 68 82 8 or X8 11.500 3.000 10.000 0.750 1.000 ......

10H62(2) 59157 ...... 155 62 10H or X10H 13.625 4.500 11.625 1.434 1.000 0.184

10H72 59164 ...... 160 72 10H or X10H 13.625 5.000 11.625 1.250 1.000 ......

10H82 58265 ...... 150 82 10H or X10H 13.625 5.000 11.625 1.250 1.000 ......

10H84 59156 H90252-3 150 84 10H or X10H 13.625 4.250 11.625 1.250 1.000 ......

10H94 46269 ...... 110 94 10H or X10H 13.625 3.750 11.625 1.250 1.125 ......

10H97 59154 59287 105 97 10H or X10H 13.625 3.500 11.625 1.250 1.125 ......

12M82(2) 59160 ...... 230 82 12M or X12M 16.000 5.000 14.000 1.559 1.000 0.184

12M102 59159 ...... 240 102 12M or X12M 16.000 5.250 14.000 1.375 1.125 ......

12M112 59176 59292 175 112 12M or X12M 16.000 4.250 14.000 1.250 1.125 ......

12M120 59158 ...... 170 120 12M or X12M 16.000 3.875 14.000 1.375 1.125 .....

X14GR112 ...... ...... 235 112 X14 17.250 4.750 15.750 0.687 1.125 ......

P102 ...... 130037 341 102 P or 5P 18.500 5.750 16.500 1.250 1.125 ......

P112 ...... ...... 340 112 P or 5P 18.500 5.750 16.500 1.125 1.125 ......

X14GR120 ...... ...... 270 120 X14 17.250 4.750 15.750 0.812 1.125 ......

P120 ...... ...... 331 120 P or 5P 18.500 5.000 16.500 1.250 1.125 ......

S120 ...... ...... 595 120 S 21.000 7.500 19.000 1.750 1.125 ......

S125 ...... ...... 510 125 S 21.000 5.500 19.000 1.750 1.125 ......

P125 ...... ...... 325 125 P or 5P 18.500 5.000 16.500 1.250 1.125 ......

X14GR125 ...... ...... 225 125 X14 17.250 4.750 15.750 0.812 1.125 ......

X14GR130 ...... ...... 210 130 X14 17.250 4.125 15.750 0.750 1.250 ......

P130 129669 ...... 283 130 P or 5P 18.500 5.000 16.500 1.188 1.250 ......

S130 ...... ...... 497 130 S 21.000 5.500 19.000 1.688 1.250 ......

X16GR140 ...... ...... 265 140 X16 19.500 4.750 18.000 0.750 1.250 ......

S140 ...... ...... 480 140 S 21.000 5.500 19.000 1.688 1.250 ......

X16GR152 ...... ...... 255 152 X16 19.500 4.375 18.000 0.750 1.500 ......

S152 ...... ...... 423 152 S 21.000 5.500 19.000 1.688 1.500 .....

X18GR160 ...... ...... 347 160 X18 21.750 5.500 20.250 0.750 1.500 ......

U160 ...... ...... 787 160 U 25.000 7.250 23.000 1.625 1.500 ......

(1) Depth of seal ring seat recess.

(2) Hub with recessed seal ring seat.

(3) SA479 316/316L may be substituted based on material availability.

(4) Carbon steel hub part numbers with “D” suffix are dual certified to SA105/SA350 LF2.

(5) Stainless steel hub part numbers with “D” suffix are dual certified to SA182 F316/F316L.

(6) Blind hub sizes, 6 GR and larger, are supplied with an integral lifting profile.

X18GR170 ...... ...... 330 170 X18 21.750 4.750 20.250 0.750 1.500 ......

X20GR170 ...... ...... 554 170 X20 24.500 5.750 23.000 0.750 1.500 ......

X20GR180 ...... ...... 525 180 X20 24.500 5.750 23.000 0.750 1.500 ......

U180 ...... ...... 764 180 U 25.000 7.125 23.000 1.625 1.500 ......

U192 ...... ...... 752 192 U 25.000 7.125 23.000 1.625 1.500 ......

X20GR192 ...... ...... 505 192 X20 24.500 5.125 23.000 0.750 1.500 ......

X20GR200 ...... ...... 185 200 X20 25.500 5.125 23.000 0.750 1.500 ......

3V200 ...... ...... 635 200 3V 26.000 6.125 24.000 1.250 1.500 ......

3W200 ...... ...... 1165 200 3W 29.500 7.250 27.500 1.250 1.500 ......

3W215 ...... ...... 1,165 215 3W 29.500 7.000 27.500 1.250 1.625 ......

X24GR215 ...... ...... 846 215 X24 29.500 6.875 27.500 1.000 1.625 ......

3W226 ...... ...... 1,115 226 3W 29.500 6.750 27.500 1.250 1.625 ......

X24GR226 ...... ...... 830 226 X24 29.500 6.875 27.500 1.000 1.625 ......

X24GR232 ...... ...... 805 232 X24 29.500 6.000 27.500 1.000 1.625 .......

X24GR240 ...... ...... 790 240 X24 29.500 6.000 27.500 1.000 1.625 ......

Y240 ...... ...... 1215 240 Y 31.250 7.125 29.250 1.625 1.625 ......

30GR264 ...... ...... 1,205 264 30 33.500 6.500 31.500 1.000 1.625 ......

30GR292 ...... ...... 785 292 30 33.500 4.750 31.500 1.000 1.625 ......

B20 58954 59410 8 20 B 4.750 2.750 3.750 0.625 0.688 ......

C25 48892 ...... 13 25 C 5.500 2.625 4.500 0.625 0.688 ......

D31 128056 ...... 24 31 D 6.750 3.250 5.750 0.625 0.938 ......

5E40 58261D 59347D 32 40 5E 7.500 3.500 6.500 0.625 1.000 ......

6F40 59149D 95087D 72 40 6F 9.250 3.750 7.750 0.812 1.000 ......

G72 ...... ...... 78 72 G 11.500 3.500 9.500 1.000 1.000 ......

Part Number Approx. Seal Depth

Carbon Stl. Stainless Stl. Weight Ring Clamp Dimensions (inches) of

Hub Size SA105 SA182-F316(3) (lb.) Size Size C D E F G Recess(1)

Blind Hubs

Heavy Duty Blind Hubs

(1) Depth of seal ring seat recess.

(2) Hub with recessed seal ring seat.

(3) SA479 316/316L may be substituted based on material availability.

(4) Carbon steel hub part numbers with “D” suffix are dual certified to SA105/SA350 LF2.

(5) Stainless steel hub part numbers with “D” suffix are dual certified to SA182 F316/F316L.

(6) Blind hub sizes, 6 GR and larger, are supplied with an integral lifting profile.

Part Numbers / Dimensions

Clamp Assemblies

Grayloc®connector clamp part numbers with the

WB suffix are complete with bolting. Both clamps

and bolting can be individually purchased if requir-

ed. Refer to page 29 for required bolting torque.

Part Number Part Number

Clamp Assembly w/Bolting Stud w/Nut Dimensions (inches)

Approx.

Clamp Carbon Alloy Stainless Wt. Carbon Stainless

Size Steel Steel Steel (lb.) Steel Steel AB CD EFGHIJK

1 49513WB A90019-5WB 50163WB 3.3 70944 70359 1.687 3.187 2.813 4.250 1.375 2.250 2.625 1⁄23.500 2.313 1.250

11⁄249500WB A90043-1WB 48501WB 9.8 69001 70442 2.687 5.000 4.500 6.500 2.000 3.250 4.000 5⁄85.000 3.125 1.625

2 49501WB A90148-5WB 48502WB 13.5 69002 70443 3.188 5.750 5.062 7.500 2.000 3.625 4.500 3⁄45.250 3.500 1.813

21⁄2-3 49502WB A90413-6WB 48503WB 20.5 69003 70444 4.375 7.500 6.875 9.250 2.375 4.500 5.250 3⁄46.000 3.500 1.813

4 49503WB A90372-4WB 48504WB 31.4 69006 70445 5.375 8.500 8.125 10.500 2.375 5.250 6.000 7⁄87.000 4.063 2.063

5 50214WB 51727WB 161959WB 44.0 69008 70437 6.875 10.250 9.750 12.375 3.000 6.125 7.375 1 8.500 4.438 2.313

6 49508WB A90059-2WB A90059-6WB 68.0 69009 70446 8.375 12.625 12.000 15.000 3.500 6.625 8.750 11⁄89.375 4.813 2.437

8 A90099-1WB A90099-1WB 125600WB 95.0 69010 70447 10.625 15.250 14.500 18.250 3.500 7.500 9.875 11⁄410.500 5.875 2.875

X8(4) 166399WB 166399WB 124202WB 135 69027 70449 10.625 16.250 15.125 19.000 4.125 7.500 10.750 13⁄811.000 6.000 3.250

10H A90444-9WB A90444-9WB 49539WB 230 69028 70448 12.250 18.250 17.625 22.000 5.500 10.000 12.750 15⁄814.125 7.375 3.625

X10H(4) 49133WB ...... 49589WB 325 69033 70438 12.250 19.500 18.250 23.500 6.500 10.000 13.500 13⁄416.000 7.500 3.750

12M H90788-10 H90788-10 49540WB 295 69033 70438 14.625 22.000 20.250 25.750 5.750 10.000 14.500 13⁄416.000 7.500 3.750

X12M(4) 49135WB A90445-2WB 49460WB 500 69035 70482 14.625 23.250 21.500 27.250 7.250 11.000 15.750 2 18.500 8.500 4.500

X14 H90315-11WB A90648-1WB H90315-5WB 252 71763 128545 16.375 22.250 21.375 26.000 5.000 10.875 14.500 15⁄817.000 7.375 3.625

P 49137WB H90847-2WB 50268WB 405 70091 70484 17.125 25.000 23.000 29.000 6.062 10.000 16.000 2 16.500 8.250 4.250

5P 138197WB H90316-10WB ...... 796 69795 ...... 17.125 28.000 25.625 33.000 8.000 12.250 18.625 21⁄220.000 10.500 5.500

S 49139WB H90328-7WB ...... 899 69605 137732 19.687 30.125 27.500 34.625 8.750 12.500 19.750 21⁄222.000 10.500 5.500

X16 A90649-1WB A90649-1WB 11580WB 276 71762 100666 18.625 24.000 23.625 27.750 5.000 13.000 15.625 13⁄419.500 7.625 3.875

U 49142WB H90471-3 49417WB 992 ...... 137732 23.687 33.875 31.250 39.000 8.750 14.000 21.500 21⁄222.000 11.000 5.500

X18 H90287-4 ...... ...... 300

H90136-18

.... 20.875 25.750 25.875 29.500 5.000 14.375 17.500 17⁄821.500 8.000 4.125

3V 49143WB H90883-2 ...... 982 106889 ...... 24.687 35.000 32.937 39.250 8.000 13.000 22.000 21⁄424.000 9.250 5.000

X20 49144WB ...... ...... 384 114791 ...... 23.625 28.312 29.125 32.187 5.000 17.125 18.750 2 24.750 8.500 4.375

X24 H90789-3WB ...... 100667WB 649

H90136-172

...... 28.625 34.250 34.560 38.875 6.250 18.375 22.500 21⁄427.000 9.500 5.000

3W ...... ...... ...... 1131 ...... ...... 28.187 37.000 36.437 41.500 8.000 20.000 23.250 21⁄229.500 11.000 5.500

3Y(5) 23559WB ...... ...... 1500 ...... ...... 29.937 44.000 42.500 48.000 12.687 18.500 33.000 31⁄425.500 14.250 7.500

30(5) 49523WB ...... ...... 625 69026 70483 32.313 40.500 37.875 45.000 5.750 13.250 24.750 21⁄420.750 9.500 5.000

(1) Stud material. SA193-B7; nut material, SA194-GR2 or 2H.

(2) Stud material, SA193-B8, solution treated; nut material, SA194-GR8.

(3) Includes weight of studs and nuts.

(4) X clamp sizes are heavy-duty to uprate connections. Sizes of corresponding hubs and seal rings do not change when X clamps are used.

(5) Available in three-piece, six-bolt construction only.

25°

Clamp Materials

Carbon Steel Alloy Steel Stainless Steel

SA266-GR3 SA193 B7/B7M SA182-F304

SA487-GR 1B, AISI 4140 SA182-F316

2B,4B or 4A SA182-F22 SA351-CF8M

SA217-WCB

(3) (1) (2)

SA217-WC9

Part Number

Carbon Steel - NACE(2) AISI 630 (17-4 PH) SS

-50° to + 350° F(1) -452° to +450°F(1) -452° to +750°F(1) Dimensions (inches)

Seal MoS2with MoS2with Approx.

Ring PTFE Graphite PTFE Graphite Weight

Size Coated Coated Coated Coated (lb.) A C D E F

4 50554N 50586N 51230N 51267N 0.04 0.500 1.000 0.375 0.125 0.125

5 50563N 50587N 51231N 51268N 0.05 0.625 1.094 0.375 0.125 0.125

7 66020N 50588N 51232N 51269N 0.06 0.906 1.375 0.375 0.125 0.125

11 50551N 50589N 51233N 51270N 0.08 1.125 1.734 0.375 0.125 0.125

14 50553N 50591N 51235N 51272N 0.31 1.610 2.625 0.563 0.250 0.156

16 H90026-3 50605N 51205N 66203N 0.41 1.868 2.688 0.625 0.250 0.188

20 50557N 50592N 51236N 51273N 0.50 2.063 3.250 0.750 0.250 0.250

23 50569N 146396N 66175N 51284N 0.54 2.375 3.500 0.750 0.250 0.250

25 50570N 50593N 51237N 51274N 0.70 2.672 4.000 0.750 0.250 0.250

27 50622N 50594N 51238N 51275N 0.70 3.063 4.250 0.750 0.250 0.250

31 50561N 50595N 51239N 51276N 0.76 3.250 4.500 0.750 0.250 0.250

34 50562N 50596N 51240N 51277N 0.89 3.688 5.000 0.750 0.250 0.250

40 66040N 50597N 51241N 51278N 1.28 4.063 5.500 1.000 0.250 0.375

42 151677 H90364-3 103727 51186N 1.35 4.188 6.625 1.000 0.250 0.375

46 66041N 66100N 51245N 66225N 1.58 4.750 6.188 1.000 0.250 0.375

52 50623N 50598N 51242N 51133N 1.65 5.313 6.625 1.000 0.250 0.375

62 50566N 50599N 51243N 51279N 4.00 6.065 7.875 1.375 0.375 0.500

67 H90643-3 H90643-26 H90643-1 H90643-15 4.50 6.875 8.750 1.375 0.375 0.500

72 50567N 50618N 51246N 66242N 4.95 7.250 9.500 1.375 0.375 0.500

76 66042N 166380N 51247N 66226N 5.58 7.750 10.000 1.375 0.375 0.500

82 66043N 142024N 51248N 66227N 5.16 8.250 10.125 1.375 0.375 0.500

84 66044N 66102N 51249N 66228N 6.72 8.500 11.125 1.375 0.375 0.500

87 66057N 50601N 51229N 66244N 6.97 8.875 11.500 1.375 0.375 0.500

91 167659N 66526N A90368-2 ...... 7.10 9.125 13.000 1.375 0.375 0.500

94 66817N ...... 66176N 66229N 7.24 9.500 12.000 1.375 0.375 0.500

97 66046N H90041-4 66177N 66230N 8.00 9.875 12.000 1.375 0.375 0.500

102 50564N 50616N 66178N 51283N 6.08 10.250 12.000 1.375 0.375 0.500

106 50692N ...... ...... 66199N 7.00 10.750 12.625 1.375 0.375 0.500

112 66047N 50584N 66179N 66231N 13.44 11.250 14.125 1.625 0.625 0.500

120 66048N 159280N 66180N 66232N 7.42 12.000 13.875 1.375 0.375 0.500

122 ...... 66791N ...... 66233N 8.00 12.250 14.125 1.375 0.375 0.500

125 ...... ...... ...... ...... 8.50 12.625 14.500 1.375 0.375 0.500

130 66050N 159281N 66182N 66234N 9.00 13.000 15.000 1.500 0.500 0.500

134 66793N ...... 66183N 66235N 10.00 13.500 15.500 1.500 0.500 0.500

137 50568N 50606N 50443N 50440N 10.50 13.875 16.500 1.625 0.625 0.500

140 72691N 159278N 66624N 66198N 11.00 14.000 16.500 1.500 0.500 0.500

144 ...... ...... ...... ...... 12.50 14.500 17.000 1.500 0.500 0.500

152 ...... 66108N 66184N 66236N 14.00 15.250 17.750 1.500 0.500 0.500

160 122371N 159279N 72761N 66246N 15.50 16.000 18.500 1.500 0.500 0.500

162 ...... ...... ...... ...... 15.80 16.250 18.500 1.500 0.500 0.500

164 H90818-1N H90818-2 H90818-3 H90818-4 16.00 16.500 18.750 1.500 0.500 0.500

170 66052N 66109N ...... 66237N 18.00 17.000 19.500 1.750 0.500 0.625

180 170091N 128160N ...... 66599N 19.00 18.000 20.500 1.750 0.500 0.625

182 ...... ...... ...... ...... 19.00 18.250 20.500 1.750 0.500 0.625

192 ...... ...... 66186N 66238N 20.00 19.250 22.000 1.750 0.500 0.625

200 118230N 66530N 66939N 66726N 21.00 20.000 22.750 1.750 0.500 0.625

210 66723N 66114N 50442N 50439N 21.00 21.000 24.000 2.000 0.500 0.750

215 ...... ...... ...... ...... 21.50 21.625 24.125 2.000 0.500 0.750

220 ...... 50982N ...... 72916N 22.00 22.000 25.000 2.000 0.500 0.750

226 ...... ...... ...... ...... 22.50 22.750 25.250 2.000 0.500 0.750

232 ...... ...... ...... ...... 23.75 23.245 26.375 2.000 0.500 0.750

240 ...... ...... ...... ...... 24.00 24.000 27.250 2.000 0.500 0.750

244 ...... 66115N 50441N 66249N 25.00 24.500 27.750 2.000 0.500 0.750

Part Numbers / Dimensions

Seal Rings

Grayloc®seal rings are available in a number

of carefully selected materials and are coated

to provide lubrication during makeup. For appli-

cations greater than 750° F., consult Grayloc

Products for proper selection of materials and

coatings. Seal rings manufactured from materials

or coatings other than those named may be

furnished to meet specific service conditions.

(1) Temperature is a major factor in the selection of the proper seal ring, but consideration also must be given to the effect the flow medium will have on the

material and coating selected.

(2) Grayloc seal rings are certified to NACE MR-01-75.

Other Products and Piping Accessories

Seal Rings

Transition Seal Rings

In normal piping applications, the same Grayloc®

clamps are used for all schedules of a given

size pipe. The ring, however, can vary with the

schedule of pipe. Transition rings can be special

ordered to connect hubs of the same size that

have different ring seats. Transition hubs (reduc-

ing and enlarging) are recommended when

designing transition piping.

Blind Seal Rings

❖Are used for isolating sections of pipe and

in-line blind service

❖ Pressure ratings available upon request

❖Suitable for many normal operating conditions

❖High pressure applications should be

evaluated by Grayloc Products

Restriction Seal Rings

❖Are used in restriction service to reduce flow

❖Excellent and quick means of installing restric-

tion plates into lines with Grayloc connectors

❖Provides pressure drop or regulates flow where

precise metering is not required

Orifice Seal Rings

❖Meets the requirements of American Gas

Association (A.G.A.)

❖Can be manufactured with replaceable

orifice plates

❖Integral orifice plate design

Transition Seal Ring

Blind Seal Ring

Restriction Seal Ring

Orifice Seal Ring

Other Products and Piping Accessories

❖Can be furnished for piping

systems of high strength

material (X-52, HY-100, T-1)

to comply with API standards

for service up to 30,000 psi

❖Contact a Grayloc Products

representative for additional

information on applications,

sizes, and materials

Heavy Duty Butt Weld Hubs

Seal Dimensions (inches) Approx.

Hub Ring Clamp Hub I.D. Wt.

Size Size Size A C D(1) E F (lb.)

B 20 20 B 2.062 4.750 3.250 3.750 0.625 10.0

C 25 25 C 2.672 5.500 3.500 4.500 0.625 13.5

D 31 31 D 3.250 6.750 4.000 5.750 0.625 22.5

E 40 40 E 4.062 7.500 4.375 6.500 0.625 28.0

F 40 40 F or XF 4.062 9.250 4.625 7.750 0.812 45.5

G 72 72 G or XG 7.250 11.500 5.375 9.500 1.000 50.0

Heavy Duty Clamps

Part Number

Carbon Steel Dimensions (inches) Approx.

Clamp A1S1 1045 Studs Wt.

Size Q & T w/Nuts(2) A B C D E F G H I J K (lb.)(1)

B 50209G 69007 4.125 7.250 6.875 9.000 2.875 5.000 5.500 0.875 6.750 3.750 2.000 27.00

C A90090-1(3) 69006 4.875 8.000 7.750 10.000 3.000 5.250 6.000 0.875 7.000 4.062 2.062 29.95

D A90037-1(3) 69008 6.125 9.562 9.000 11.750 3.000 5.750 7.000 1.000 8.500 4.437 2.312 42.51

E 51727(3) 69008 6.875 10.250 9.750 12.375 3.000 6.125 7.375 1.000 8.500 4.437 2.312 52.00

F A90059-2(3) 69009 8.375 12.625 12.000 15.000 3.500 6.625 8.750 1.125 9.375 4.812 2.437 73.00

XF H90662-1(3) 71548 8.375 12.625 12.875 15.000 4.000 8.375 9.125 1.125 11.750 4.812 2.437 86.00

G 123218(3) 69027 10.125 16.000 14.750 18.750 4.500 7.000 10.625 1.375 11.000 6.000 3.125 133.0

XG H90759-4(3) 136609 10.125 16.000 15.625 19.125 5.125 9.250 11.125 1.375 13.250 6.000 3.125 190.0

25°

For oilfield applications or when

pressure ratings exceed those

of common ANSI flanges and

standard Grayloc®connectors

(refer to page 29 for API flange

to Grayloc connector conversion

chart).

(1) Hub length may increase when used with wall thickness in excess of standard pipe schedules.

(1) Includes weight of studs and nuts. (2) Stud material - SA193-B7; nut material - SA194-GR2 or 2H.

(3) Clamp material - SA193 B7.

Heavy-Duty

Connectors

Other Products and Piping Accessories

Since Grayloc®connectors are

very versatile, they can be

used in many diverse applica-

tions. Some applications are

suggested in the following

examples. Special applications

may require custom design.

Contact the nearest Grayloc

Products representative for

special product assistance.

Socket Weld Hubs

❖Designed for socket welding

to standard and special pipe

sizes

❖Female socket weld ends and

male pin-type socket weld

ends are available

❖Socket weld hub lengths

are the same as the “D”

dimensions for butt

weld hubs

Streamline Bore Hubs

❖Unobstructed bore design

❖Manufactured for sanitary

processes

Threaded Hubs

❖N.P.T. threads in accordance

with Screw-Thread Standards

in Federal Services H-28

Handbook

❖External threads and

industrial or customer

standards are available

Pressure-Tapped Hubs

❖Used for instrumentation,

chemical injection, flushing

or sampling.

❖Eliminates the problem of

drilling and tapping after the

system is assembled

❖Can be threaded to customer

specification, e.g., N.P.T.

and MC

Reducing Hubs

❖Joins pipe of one diameter

to pipe, vessel nozzles,

or similar fittings of a

different diameter

❖Eliminates the need for

concentric reducers

Adapters

❖Used to join different-sized

Grayloc hubs already fabri-

cated to the pipe

❖Equivalent of concentric re-

ducers in a welded system

Enlarging Hubs

Other Products and Piping Accessories

Fittings

To reduce space and make

complicated piping assemblies

easier to install and maintain,

a full line of Grayloc®tees and

ells are available.

❖Manufactured from closed

die/block forgings and

castings

❖Minimum centerline-to-face

dimensions

❖Crosses are available

upon request

Part Number (2) Seal Approx.

Hub Tee Ell Ring Clamp Dimensions (inches) Weight (lb.)

Size SA105 SA182-F316 SA105 SA182-F316 Size Size A B C D Tee Ell

1 GR 4 54791 54795 54798 54804 4 1 0.500 3.000 2.000 6.000 3.5 2.5

1 GR 5 54792 54796 151698 54805 5 1 0.625 3.000 2.000 6.000 3.5 2.5

1 GR 7 54793 54412 H90284-7 54414 7 1 0.906 3.000 2.000 6.000 3.0 2.0

1 GR 11 54794 54797 54801 54807 11 1 1.125 3.000 2.000 6.000 3.0 2.0

11⁄2GR 11 54169 54241 54106 54153 11 11⁄21.125 4.000 3.125 8.000 19 12

11⁄2GR 14 54173 54242 54107 54156 14 11⁄21.610 4.000 3.125 8.000 17 10

2 GR 11(1) 54355 54367 54377 54386 11 2 1.125 4.063 3.625 8.125 20 13

2 GR 14 54178 54243 54114 54162 14 2 1.610 4.000 3.625 8.000 18 11

2 GR 20 54179 54244 54117 54129 20 2 2.063 4.000 3.625 8.000 16 10

21⁄2GR 20 54180 54245 54118 54163 20 21⁄2-3 2.063 5.375 5.000 10.750 65 33

21⁄2GR 25 54196 54246 54119 54145 25 21⁄2-3 2.672 5.375 5.000 10.750 53 26

3 GR 20 54180 54245 54118 54163 20 21⁄2-3 2.063 5.375 5.000 10.750 65 33

3 GR 25 54196 54246 54119 54145 25 21⁄2-3 2.672 5.375 5.000 10.750 53 26

3 GR 27 54197 54247 54122 54146 27 21⁄2-3 3.063 5.375 5.000 10.750 45 21

4 GR 25 54360 54369 54379 54388 25 4 2.672 6.000 6.000 12.000 78 45

4 GR 31 54356 54354 H90635-1 54168 31 4 3.250 6.000 6.000 12.000 65 40

4 GR 34 54357 54316 54126 154033 34 4 3.688 6.000 6.000 12.000 55 35

4 GR 40 54358 54352 54125 54174 40 4 4.063 6.000 6.000 12.000 40 30

5 GR 31 54940 54370 54380 54389 31 5 3.250 8.000 7.500 16.000 200 160

5 GR 34 54941 54371 54381 54390 34 5 3.688 8.000 7.500 16.000 185 150

5 GR 40 147274 54233 54123 54147 40 5 4.063 8.000 7.500 16.000 175 140

5 GR 46 54942 54372 54382 54391 46 5 4.750 8.000 7.500 16.000 145 120

5 GR 52 54232 54373 54144 54213 52 5 5.313 8.000 7.500 16.000 120 90

6 GR 40(1) 54943 54375 54384 54393 40 6 4.063 9.125 9.250 18.250 335 275

6 GR 46(1) 54944 54376 54385 54394 46 6 4.750 9.125 9.250 18.250 300 250

6 GR 52 54203 54253 H90284-6 54181 52 6 5.313 9.000 9.250 18.000 275 230

6 GR 62 54206 54254 54130 54182 62 6 6.063 9.000 9.250 18.000 230 190

(1) Hub with recessed seal ring seat.

(2) For small quantity orders, items may be furnished from block forgings instead of contoured forged profiles as shown above. Part numbers for block

shaped tees/ells may be different than those shown above.

Other Products and Piping Accessories

Special Connectors

Shrouded Bore Connector

The Grayloc®seal ring can be protected in

environments where thermal cycling occurs

and in erosive service. To achieve this protection,

non-erosion rings are recommended to shroud

the bore. The shroud consists of two insertable

pieces usually made from similar material as the

hub. However, it can also be machined integral to

the hub, which eliminates the insertable ring.

Insulating Connector

Grayloc insulating connectors are used in piping

systems to prevent galvanic action or where it is

necessary to electrically isolate one section of

pipe. Grayloc clamps and seal rings are selective-

ly coated with a specialty polymer coating. The

connectors are tested before shipment to assure

a minimum resistance of 200 megohms at 500

volts DC.

Orifice Union

Designed to accommodate “flange-type” pressure

taps and universal-type orifice plates.

❖Orifice plate held in position by hold down

screws

❖“Flange-type” pressure taps, perpendicular to

the bore, are drilled directly into hubs

❖Pressure taps are usually 1/2" N.P.T., but can

vary in size and type according to customer

specifications

❖Only the orifice plate is exposed to the flow

The Grayloc seal ring and orifice plate can be

manufactured as an integral unit assuring a leak-

free seal in conjunction with a quick disconnect

measuring device.

Shrouded Bore Connector

Shroud

Insulating Connector

Seal Ring

Entirely Coated

Inside Clamp

Profile Coated

Orifice Union

Orifice Seal Ring

Other Products and Piping Accessories

Non Flow-Through Jacketed Connector

Jacket Pipe

Jacketed Connectors

Flow-Through

Jacketed Connector

❖Unobstructed (Streamline)

bore design

❖Provides in-line passage of

the jacket fluid through the

connector

❖Metal seal for core pipe pre-

vents contamination of fluid or

leakage to the atmosphere

❖External jacket seal is formed

by a face seal gasket

❖Uniform heat transfer

Non Flow-Through

Jacketed Connector

Grayloc non flow-through con-

nectors are designed to accomo-

date both core and jacket piping.

These connectors can be used

with jumper piping or double pipe

heat exchangers. A streamline

bore is also a standard for these

connectors.

Face Gasket

Butt weld Jacketed

Flow-Through Hub

Bolting

Grayloc

Seal Ring

Alignment Pin

Clamp

Flow-Through Jacketed Connector

Core Pipe

Streamline

Bore Design

Streamline

Bore Design

Other Products and Piping Accessories

Remotely Operated

The Grayloc®remotely oper-

ated connector is a field-proven

mechanical connector used

in hazardous environments,

personnel restricted areas,

and automated (batch-type)

operations. Like the standard

Grayloc connector, the remotely

operated connector has metal-

to-metal seal integrity.

Operation

❖Simple, reliable trunnion and

screw mechanism

❖Single drive screw adaptable

to different power drives

❖Self-supporting base plate

❖Retained seal ring

❖Can be manually operated

Design Technology

❖Zero leak rate (10-6 atm

cc/s Helium)

❖Quick disconnect, opens /

closes in seconds

❖Compatible with hydraulic,

pneumatic, or electric power

❖Unitized design

Pipe O.D.

Pipe I.D.

Top View Side View

Connectors

Other Products and Piping Accessories

Grayloc®Compact

❖Smaller and lighter than

standard ANSI/API flange

❖Using the self-energizing

seal ring, the flange has a

higher tolerance to vibration,

temperature extremes,

and external loading

❖Off-the-shelf studs and nuts

❖The rating of a flanged con-

nection can be upgraded if

a Grayloc seat is machined

in the face and bore of the

connection to accept the

Grayloc seal ring

Pipe

18" - 1500 Class GCF weldneck

O.D. 31"

Weight 680 lbs.

18" - 1500 Class ANSI weldneck

O.D. 36"

Weight 1625 lbs.

Grayloc Seal Ring

Grayloc Compact Flange (GCF)

Flanges

Other Products and Piping Accessories

❖For corrosive environments, seats and nozzle bores can be

protected with weld-deposited overlays or liners

❖Sealing surfaces of standard carbon and low alloy steel nozzles

are protected by electroless nickel coating

❖Standard lengths and sizes are listed in the following chart, other

configurations are available based on application.

Nozzles

Grayloc®nozzles are designed

for pressure vessels that require

longer nozzle projections.

❖Manufactured with extra wall

thickness to allow welding

directly to the vessel with no

additional reinforcement

❖Stub end may be saddled

or otherwise machined to

match the contour of the

vessel wall

❖Available in most

machinable materials

Approx.

Connector Part Number Ring Clamp Dimensions (inches) Weight

Size SA105 SA182-F316(2) Size Size A B(3) C T (lb.)

1 GR4 54938 100757 4 1 0.500 9.000 2.000 0.750 14

1 GR5 54423 H90389-3 5 1 0.625 9.000 2.000 0.688 13

1 GR7 54848 ...... 7 1 0.906 9.000 2.000 0.547 12

1 GR11 54447 54624 11 1 1.125 9.000 2.000 0.438 11

11⁄2GR11(1) 54450 54650 11 11⁄21.125 9.000 3.125 1.000 17

11⁄2GR14 54451 ...... 14 11⁄21.610 9.000 3.125 0.758 15

2 GR11 54486 54630 11 2 1.125 9.059 3.625 1.250 24

2 GR14 54454 54605 14 2 1.610 9.000 3.625 1.007 21

2 GR20 54453 54629 20 2 2.063 9.000 3.625 0.781 18

21⁄2GR20 54928 54632 20 21⁄2-3 2.063 9.000 5.000 1.468 55

21⁄2GR25 54458 54631 25 21⁄2-3 2.672 9.000 5.000 1.164 48

3 GR20 54928 54632 20 21⁄2-3 2.063 9.000 5.000 1.468 55

3 GR25 54458 54631 25 21⁄2-3 2.672 9.000 5.000 1.164 48

3 GR27 54457 54904 27 21⁄2-3 3.063 9.000 5.000 0.968 41

4 GR25 54489 54635 25 4 2.672 12.000 6.000 1.664 78

4 GR31 54461 54636 31 4 3.250 12.000 6.000 1.375 68

4 GR34 54460 54911 34 4 3.688 12.000 6.000 1.156 60

4 GR40 54459 54973 40 4 4.063 12.000 6.000 0.968 52

5 GR31 ...... ...... 31 5 3.250 12.000 7.500 2.125 122

5 GR34 ...... ...... 34 5 3.688 12.000 7.500 1.906 113

5 GR40 ...... ...... 40 5 4.063 12.000 7.500 1.718 106

5 GR46 ...... ...... 46 5 4.750 12.000 7.500 1.375 90

5 GR52 ...... ...... 52 5 5.313 12.000 7.500 1.093 75

6 GR40(1) ...... ...... 40 6 4.063 12.125 9.250 2.593 184

6 GR46(1) ...... ...... 46 6 4.750 12.125 9.250 2.250 168

6 GR52 54463 56121 52 6 5.313 12.000 9.250 1.968 153

6 GR62 ...... ...... 62 6 6.063 12.000 9.250 1.593 130

(1) Hub with recessed seal ring seat. (2) SA479TP316 may be substituted based on material availability.

(3) Nozzle lengths can be supplied based on customer requirements.

Other Products and Piping Accessories

Thermowells

Grayloc®thermowell one-piece,

solid construction assemblies

are smaller and lighter than

flanged thermowell assemblies.

Metal-to-metal sealing makes

Grayloc thermowell assemblies

capable of higher pressures

and temperatures.

Hinged Vessel

Closures

Grayloc hinged closures are

used as manways on pressure

vessels in many industrial

applications. They have all the

design features of the basic

Grayloc connector plus the

advantage of fixed mounting

onto the vessel.

❖Effective, dependable, conve-

nient, simple makeup

❖Clamp hanger assembly

supports the clamp segments

that remain in position

around the outside of the

nozzle when fully open

❖Blind hub can be hinged

vertically or horizontally for

maximum accessibility

❖Blind hub swings easily into

position with no alignment

or lifting of heavy parts

❖Seal ring is retained with

either the blind hub or nozzle

to protect its sealing surfaces

when the closure is open

❖Manufactured to conform

to the requirements of ASME

Codes, Sections I and VIII

❖If required, complete design

evaluations, ASME Code

stamping, ASME partial data

report and detailed stress

analysis can be furnished

Hinged Vessel Closure

Thermowell

Hub / Nozzle

Seal Ring Clamp

Vessel

Top View

Handle

Closed position

Blind hub/hinge pin assembly Open position

Other Products and Piping Accessories

Studded Vessel

Closures

Grayloc®studded vessel

closures offer cost savings and

design advantages for manu-

facturers of pressure vessels,

pump, and heat exchangers.

❖Sizes range from 8" to 60"

in diameter and from 1,000

to 32,000 psi operating

pressure

❖Variations in diameter, size,

and spacing of studs on stan-

dard sizes can be specified,

as well as other closure sizes

and pressure ratings that

require special design

❖Typical studded vessel

closure materials include

SA105, SA350 LF2, SA182

F22 and SA182 F316.

Closures are designed base

on the adjoining pressure

vessel material

❖Seal surfaces of unlined

closures are protected from

oxidation by electroless

nickel plating unless other-

wise specified

❖Corrosion-resistant liners

and protective weld overlays

are available

❖Studs through 4" are furnish-

ed with heavy-duty nuts, and

larger studs are furnished

with sleeve nuts

❖In some applications, stud

tensioners are not required

❖Unless specified otherwise,

closures comply with the

ASME Boiler and Pressure

Vessel Code, Section VIIl

and can be designed in

accordance with Section I

or customer-specified

requirements

❖Seal ring is recessed to ease

assembly and prevent dam-

age from overtightening

❖Varied weld end preparation

available to suit fabrication

requirements

Design: Type: Delta Seal Gasket

Weight: Approx. 6800 lbs.

Bolting: (16) 23⁄4" bolts

Design: Type: Grayloc Studded Closure

Weight: Approx. 2700 lbs.

Bolting: (12) 23⁄4" bolts

Grayloc Seal Ring

57⁄8"

21"

27" O.D.

12"

21"

16" I.D.

35" O.D.

Conversion and Torque Requirements

Nominal Size & Bore Maximun Corresponding

of API Flange Working Pressure Grayloc

(inches) (psi) Connector

113⁄16 10,000-6BX B16

15,000-6BX B16

21⁄16 2,000-6B B20

3,000-6B B20

5,000-6B B20

10,000-6BX B20

15,000-6BX B20

29⁄16 2,000-6B C25

3,000-6B C25

5,000-6B C25

10,000-6BX C25

15,000-6BX C25

31⁄82,000-6B D31

3,000-6B D31

5,000-6B D31

31⁄16 10,000-6BX D27

15,000-6BX D27

41⁄16 2,000-6B E40

3,000-6B E40

5,000-6B E40

10,000-6BX F40R

15,000-6BX F40R

51⁄810,000-BX F52

71⁄16 2,000-6B G72

3,000-6B G72

5,000-6B 10H72R

10,000-6BX 10H72R

15,000-6BX X12M72R

API Flange to Grayloc

Connector Conversion

Bolting Torque Required for Grayloc Clamps*

Nominal Size & Bore Maximun Corresponding

of API Flange Working Pressure Grayloc

(inches) (psi) Connector

9 2,000-6B 10H91

3,000-6B 10H91

5,000-6B 10H91

10,000-6BX 12M91

15,000-6BX X12M91

11 2,000-6B 12M112

3,000-6B 12M112

5,000-6B 12M112

10,000-6BX S112

15,000-6BX *

135⁄82,000-6B R137

3,000-6B R137

5,000-BX S137

10,000-6BX 5V137

163⁄42,000-6B T170

3,000-6B V170

5,000-6BX 3V170

10,000-6BX *

183⁄45,000-6BX *

10,000-6BX *

203⁄43,000-6B V210

211⁄42,000-6B *

5,000-6BX *

10,000-6BX *

Stud Bolt Stud Bolt Average

Size Length (inches) Clamp Size Torque (ft.-lb.)

1⁄2-13UNC-2 31⁄2117

5⁄8-11UNC-2 5 11⁄235

3⁄4-10UNC-2 51⁄4, 6 2, 21⁄2, 3 55

7⁄8-9UNC-2 7, 63⁄44, C, B 90

1-8UNC-2 81⁄25, D, E 140

11⁄8-8N-2 93⁄86, F 205

11⁄4-8N-2 101⁄28 290

11⁄8-8N-2 113⁄4XF 330

13⁄8-8N-2 11 X8, G, XG 390

15⁄8-8N-2 141⁄4, 141⁄8, 17 H, 10H, X14 630

13⁄4-8N-2 16, 191⁄2X10H, 12M, X16 870

17⁄8-8N-2 211⁄2X18 1170

2-8N-2 161⁄2, 181⁄2, 243⁄4P, X12M, X20 1300

21⁄4-8N-2 27, 203⁄4, 24 X24, 30, 3V 1870

21⁄2-8N-2 22, 31, 291⁄2, 20 S, U, 32, 36, 3W, 5P 2570

23⁄4-8N-2 283⁄4Y 3500

31⁄4-8N-2 351⁄240 7100

* Please consult Grayloc Products for special Grayloc sizing.

Abbreviations: R, recessed seal ring seat.

* Applies to two-piece, four-bolt clamps.

Notes: 1. 2,000-5,000 psi use 60 ksi minimum yield material for hub.

2. 10,000-15,000 psi use 75 ksi minimum yield material for hub.

3. 80 ksi minimum yield material required for clamp.

Installation and Maintenance Instructions

General Information

A complete Grayloc®connector consists of two hubs, one

seal ring, one set of clamps, stud bolts, and spherical-

faced nuts.

Grayloc hubs are furnished with hub protectors that should

be removed only when the hubs are being welded in place,

stress relieved, or when the connection is being assembled.

Fabrication

Grayloc hubs may be fabricated to piping or other compo-

nent equipment by established welding procedures. Initial fit

up and alignment tolerances normally used in the fabrication

of ANSI flanges are also acceptable for the Grayloc hub.

During welding, care should be taken to protect the hub

seat from damage such as scratching and weld spatter.

When required, stress relieving of carbon and low alloy steel

hubs should be done in compliance with applicable industry

codes and requirements. Seats that are nickel-coated must

be clean prior to being placed in the furnace.

Before Assembly

The Grayloc seal ring does not seat until the connection

is fully tightened; therefore, a small clearance, or standoff,

between the ring rib and hub face should be observed when

the ring is placed into a mating hub. If no standoff is present,

use a new seal ring.

Clean all lubricants and foreign matter from the hub seating

surfaces before installation. Use a non-abrasive material to

clean the seal rings of all foreign matter. Normally, all seal

rings have a coating or plating (cadmium, PTFE, MoS2)

which acts as a lubricant during make-up. In some applica-

tions where uncoated/unplated seal rings are used, a light

film of clean lubricant is recommended.

When applying lubricant, take special care to ensure that

no solid or foreign particles are present in the lubricant.

Also, take care to prevent mechanical damage to the seal

ring and the hub sealing surfaces.

Before assembly, the hubs must be aligned to allow engage-

ment of the seal ring lips to the hub sealing surfaces. This

will ensure proper engagement of the hub and clamp seg-

ments. For misaligned systems, it is acceptable to apply

external loads to the mating piping (using jacks, come-

alongs, etc.) to align the hubs prior to assembly.

Assembly

1. Align the hubs so that the seal ring can be installed

between the hubs.

2. Install the seal ring in the sealing surface of the hubs.

The seal ring should rock slightly; i.e., the seal ring rib

should not be able to firmly contact the hub face. If it

does not rock, use a new seal ring.

3. Install the clamps around the hubs. Apply lubrication to

the hub-clamp contact area to reduce friction; this will

aid assembly.

4. Insert the stud bolts into the bolt holes of the clamp ears.

Install the nuts, ensuring that the spherical surfaces of the

nuts and the clamp are in proper position for mating.

Lubrication of the bolting and the spherical faces of the

nuts and the clamp is recommended.

5. Tighten the bolting in a criss-cross pattern (i.e., bolt #1,

#3, #2, #4) to keep the spacing between the clamp

halves approximately equal.

6. To properly preload the Grayloc connector against gasket

loads, fluid pressure loading, thermal shock loading, and

normal pipe reaction loads, the torque values in the table

on page 29 are recommended. Note that torque wrench-

es are not required, but are recommended for large bolt

sizes (15⁄8" and larger) to ensure that the minimum

preload values are met. Assembly should include jarring

the clamps during the bolting procedures, i.e., a sound

blow to the back of the clamp with a soft hammer (torque,

jar, torque, jar, etc.) until bolt torque does not change

after jarring.

7. At full make-up, the hub faces will shoulder flush against

the seal ring rib. The seal ring rib will prevent overtorquing

from causing seal damage, but to prevent permanent

damage from distortion to the other components of the

connection, the maximum torque applied to the connec-

tion should not be more than twice the values shown in

the table. For extreme misalignment and/or extreme pip-

ing loads, torque values 11⁄2to 2 times the table values

are recommended. Lubricated bolting should be used to

assemble the Grayloc connector.

Disassembly

Before disassembling the Grayloc connector, bleed all

pressure from the line. When removing the clamp, first

loosen the bolting and the clamp set from the hubs to allow

the safe release of any trapped pressure. Then, remove the

bolting completely.

Maintenance

Special maintenance is not required for a Grayloc connector

that has been properly assembled. However, when disas-

sembling a connector, check the seal ring for standoff prior

to reassembly and visually inspect the hub seats for unifor-

mity and freedom from burrs and deep scratches. These

irregularities on ring seal surfaces could cause leakage.

Remove scale, rust, burrs, or deep scratches from a ring

seat by lightly polishing with a fine steel wool or crocus

cloth around the seat circumference to ensure uniform

blending-in of the reworked area. Never lap the hub seat

with the seal ring; this practice will damage both the ring

and the seat and prevent an effective seal.

The connector should not be tightened while under pressure

loading or severe mechanical loads. Do not weld on Grayloc

clamps, bolting or seal rings without consulting Grayloc

Products.

All components of the Grayloc assembly should be obtained

only from Grayloc Products or one of its authorized

licensees. Do not substitute non-Grayloc brand parts in

Grayloc connectors. Substituting of parts other than Grayloc

brand components voids all warranties.

Standard Terms and Conditions

STANDARD TERMS AND CONDITIONS

FOR SALES AGREEMENTS APPLICABLE TO PRODUCTS/SERVICES

SUPPLIED BY GRAYLOC PRODUCTS, L.L.C. (“GRAYLOC”) TO PURCHASER

1. Acceptance

1.1 Acceptance of any offer to sell by GRAYLOC is limited to Purchaser completely and exclusively accepting all terms and condi-

tions hereof ("Terms"). This Agreement constitutes the entire agreement between the parties and takes precedence over any

and all previous verbal or written arrangements in connection with this Agreement. Any deletions, modifications, alterations of

or additions to the Terms, to be binding, shall be in writing and signed by an authorized representative of GRAYLOC and the

Purchaser. Without limiting the foregoing, it is expressly acknowledged that any Purchaser document received is for order

identification convenience only. Any and all provisions on the face or reverse side of any purchase order, or service order,

which Purchaser may send to GRAYLOC in connection herewith are expressly objected to by GRAYLOC and waived by

Purchaser and made inapplicable to any such purchase, unless both parties expressly agree in writing to include any such

terms and conditions in this Agreement.

1.2 Purchaser's acceptance is hereby expressly limited to the Terms, and acceptance of any part of the products covered hereun-

der shall be deemed to constitute such acceptance. (If this order constitutes an acceptance of an offer, such acceptance is

expressly made conditional on Purchaser's assent to the Terms and any additional or different terms contained herein, and

acceptance of any part of the products covered hereunder shall be deemed to constitute such assent.) GRAYLOC may pro-

vide the products from its affiliated company, in which event these Terms will apply. Purchaser may not assign this

Agreement without the prior written consent of GRAYLOC.

1.3 For any item of GRAYLOC equipment leased to Purchaser, GRAYLOC’s Standard Terms and Conditions of Equipment Lease

shall apply, which terms and conditions are incorporated herein by reference.

2. Limited Warranties

GRAYLOC hereby warrants that all products manufactured by GRAYLOC are free of defects of material and workmanship for a peri-

od of twelve (12) months from the date shipped, providing that the products are used in the service specified and are properly

installed, used and maintained and not altered after initial delivery, corrosion and erosion and normal wear and tear excepted.

Purchaser shall give written notice to GRAYLOC of any defects within thirty (30) days of their discovery by Purchaser, within said

twelve (12) month period, with a report detailing failure and defects. GRAYLOC reserves the right to require prepaid return of the

allegedly defective product to establish a warranty claim. GRAYLOC will, at its option, repair any product found defective during the

warranty period without charge, replace the product F.O.B. manufacturing facility, or refund the purchase price paid for the products

upon return to GRAYLOC. GRAYLOC shall not be responsible for retrieving or removing defective items (whether manufactured by

GRAYLOC or not), or any part thereof, or for reinstalling the same when repaired or replaced, or for any cost incurred in connection

with such retrieval, removal or reinstallation. In the case of items or parts not wholly of GRAYLOC's manufacture, but supplied by

GRAYLOC, GRAYLOC's liability shall be limited to assisting Purchaser in enforcing the warranty of the manufacturer of the items or

parts. GRAYLOC will not be responsible for repairs made by other than GRAYLOC without prior written consent. This warranty is

EXCLUSIVE AND, EXCEPT AS STATED HEREIN, GRAYLOC MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO ANY

MATTER WHATSOEVER, INCLUDING, WITHOUT LIMITATION, THE WARRANTY OF MERCHANTABILITY AND FITNESS FOR A

PARTICULAR USE, WHICH EXCEED THE FOREGOING WARRANTY. PURCHASER'S SOLE REMEDY AND GRAYLOC'S SOLE

OBLIGATION ARISING OUT OF OR IN CONNECTION WITH DEFECTS IN MATERIALS, WORKMANSHIP OR SERVICES, WHICH

ARE BASED ON WARRANTY, CONTRACT NEGLIGENCE, STRICT LIABILITY OR OTHERWISE, SHALL BE THOSE STATED IN

THIS SECTION. The Purchaser acknowledges that any affirmation of fact or promise made by GRAYLOC shall not be deemed to

create an express warranty, that Purchaser is not relying on GRAYLOC's skill or judgment in selecting or furnishing a system suitable

for any particular purpose, and there are no warranties which extend beyond the description on the face hereof.

3. Liability

3.1 Mutual Indemnities. GRAYLOC agrees to defend, indemnify, release and hold Purchaser Group harmless from and against

all costs, damages, losses, fines, penalties, expenses (including court costs and reasonable attorney’s fees) and liabilities

(except for Environmental Liabilities) arising out of claims, demands, or causes of action brought by any person or entity for

bodily injury to or death of, any employee of GRAYLOC or contractor, subcontractor, agent, invitee, parent, co-owner, co-ven-

turer, co-lessor, partner, subsidiary, or affiliate of GRAYLOC, or for damage to or loss of property owned or leased (except

property leased to Purchaser) by GRAYLOC (“Grayloc Group”), which injury, death, damage, liability, claim, demand or loss

arises out of or is incidental to the performance of this Agreement, REGARDLESS OF WHETHER CAUSED BY THE NEGLI-

GENCE, IN ANY FORM, OR FAULT, OR STRICT LIABILITY OF ANY MEMBER OF PURCHASER GROUP, OR ANY

OTHER PERSON NATURAL OR OTHERWISE, AND/OR THE UNSEAWORTHINESS OF ANY VESSEL, ANY DEFECT IN

ANY PREMISES OR VESSEL WHETHER PRE-EXISTING THIS CONTRACT OR NOT AND WHETHER SUCH DAMAGES,

LOSSES, INJURIES, LIABILITIES, CLAIMS OR DEMANDS ARISE FROM TORT, CONTRACT, QUASI-CONTRACT OR

OTHERWISE. Purchaser agrees to defend, indemnify, release and hold GRAYLOC Group, harmless from and against all

costs, damages, losses, fines, penalties, expenses (including court costs and reasonable attorney’s fees) and liabilities arising

out of claims, demands, fines, penalties or causes of action brought by any person or entity for bodily injury to or death of, any

employee of Purchaser, contractor (other than GRAYLOC), subcontractor, agent, invitee, parent, co-owner, co-venturer, co-

lessor, partner, subsidiary or affiliate of Purchaser (“Purchaser Group”), or for damage to or loss of property owned or leased

by Purchaser Group, which injury, death, damage, liability, claim, demand or loss arises out of or is incidental to the perfor-

mance of this Agreement, REGARDLESS OF WHETHER CAUSED BY THE NEGLIGENCE, IN ANY FORM, OR FAULT, OR

STRICT LIABILITY OF ANY MEMBER OF GRAYLOC, OR ANY OTHER PERSON NATURAL OR OTHERWISE AND/OR

THE UNSEAWORTHINESS OF ANY VESSEL, ANY DEFECT IN ANY PREMISES OR VESSEL WHETHER PRE-EXISTING

THIS CONTRACT OR NOT AND WHETHER SUCH DAMAGES, LOSSES, INJURIES, LIABILITIES, CLAIMS OR DEMANDS

ARISE FROM TORT, CONTRACT, QUASI-CONTRACT OR OTHERWISE. To the extent that the laws of the State of Texas

are applied to this Agreement, the parties agree that the foregoing indemnity obligations shall be supported by equal amounts

of insurance, or qualified self-insurance maintained by GRAYLOC and Purchaser, respectively, which shall be greater than the

amounts of insurance set forth in Article 4.

The indemnification provided hereunder shall be effective to the maximum extent permitted by applicable law. The parties agree that

in the event any law is enacted in any state, the laws of which are applied to this Agreement that limits in any way the extent to which

indemnification may be provided to an indemnitee, then this Agreement shall automatically be amended to provide that the indemnifi-

cation provided hereunder shall extend to the maximum extent permitted by applicable law.

3.2 Environmental Liability. Notwithstanding any other provision(s) contained in this Agreement and specifically in this Article 3,

Purchaser assumes sole responsibility for and shall defend, indemnify and hold GRAYLOC harmless from and against any

and all claims, demands, suits, judgments, damages, losses, fines, penalties and causes of action of every nature, kind and

character for damage to or loss of the hole, including the casing and all pipe and tubulars and equipment and tools therein,

loss of or impairment of any property right in and to any oil, gas, water or other mineral substance, for all spills, leakage,

blowouts, above or below ground, or uncontrolled flow(s) of oil, gas and water and all other substances, including the dam-

ages caused by said leakage or uncontrolled flow(s) of oil, gas, water and all other substances, including the control and

removal thereof, pollution and/or contamination, costs of removal of debris or damage to or loss of the well, damage to or loss

of the reservoir, damage to or loss of the production and/or formations (the “ Environmental Liabilities”) REGARDLESS OF

WHETHER CAUSED BY THE NEGLIGENCE, IN ANY FORM, OR FAULT, OR STRICT LIABILITY OR ABSOLUTE LIABILI-

TY OF ANY MEMBER OF GRAYLOC GROUP, OR ANY OTHER PERSON NATURAL OR OTHERWISE AND/OR THE

UNSEAWORTHINESS OF ANY VESSEL, ANY DEFECT IN ANY PREMISES OR VESSEL WHETHER PRE-EXISTING THIS

CONTRACT OR NOT AND WHETHER SUCH DAMAGES, LOSSES, LIABILITIES, CLAIMS OR DEMANDS ARISE FROM

TORT, CONTRACT, QUASI-CONTRACT OR OTHERWISE.

3.3 Incidental and Consequential Damages. Notwithstanding anything to the contrary in this Agreement, in no event shall either

party hereto be liable for any liquidated, special, incidental or consequential damages of any type, including, but not limited to,

loss of business, loss of profits, costs of capital or costs connected with interruption of operation, loss of use or loss of produc-

tion, including, but not limited to delayed production, from any cause whatsoever.

3.4 Limitation of Liability. Notwithstanding anything to the contrary in this Agreement, except for liabilities governed by the laws of

the State of Texas arising from the mutual indemnity obligations of the parties under Article 3.1 hereinabove, GRAYLOC’s

total liability, in tort, contract or otherwise, to Purchaser Group, under or relating in any way to this Agreement or to any mate-

rials, equipment or services provided hereunder shall in no event exceed a single aggregate limit equal to the Agreement

price.

4. Insurance

Purchaser agrees to procure and maintain, at their sole expense, policies of insurance, or qualified self- insurance, no less than the

following minimum limits:

Workers Compensation Statutory

Employer’s Liability $1,000,000 per occurrence

Comprehensive General Liability Combined Single Limit for Bodily Injury and Property Damage of

$1,000,000 per occurrence.

Automobile Liability Combined Single Limit for Bodily Injury and Property Damage of

$1,000,000 per occurrence

Umbrella Coverage $3,000,000 limit per occurrence

All such policies shall name GRAYLOC as additional insured, excepting Workers’ Compensation.. Purchaser, on request, shall fur-

nish GRAYLOC insurance certificates evidencing the aforementioned minimum limits of insurance and additional insured status of

Grayloc. Such insurance certificates shall state that insurers shall give GRAYLOC thirty (30) days’ written notice in the event of can-

cellation of the aforementioned insurance policies. Purchaser shall arrange for any insurance covering the liabilities under Section 3

to be extended to include waivers of subrogation.

5. Price and Payment

5.1 All products are priced in U.S. dollars, unless otherwise stated, and will be invoiced upon shipment. Net payment is due within

thirty (30) days after invoice date. Interest charges at eighteen percent (18%) per annum (or at maximum lawful rate) will be

applicable to delinquent accounts unpaid after due date. Prices quoted are subject to change without notice if not accepted

within thirty (30) days, unless specifically stated otherwise.

5.2 Unless otherwise quoted, Purchaser will pay, in addition to the purchase price of the products, all charges for export, packing

and processing, insurance and transportation, and the price of products does not include personnel or equipment required to

install the products.

6. Transportation

Unless otherwise specified in GRAYLOC's sales quotation, transportation charges, including transportation documents and contracts

with carriers, shall be based upon the point of manufacture and shall be paid by Purchaser.

7. Delivery and Title

7.1 Point of Delivery. GRAYLOC agrees to deliver the equipment to Purchaser ex-works (GRAYLOC manufacturing facility)

unless otherwise agreed in writing for an order. Risk of loss of the equipment shall pass to Purchaser upon delivery. Title to

the equipment shall pass when the full purchase price for the equipment has been received by GRAYLOC. GRAYLOC shall

maintain a purchase money security interest in the equipment for any portion of the purchase price not paid at the time of

delivery and shall retain this interest until GRAYLOC has received the full purchase price for the equipment.

7.2 Delivery Dates. Delivery dates shall be interpreted as estimates. Delivery commitments are given as accurately as information

permits, and reasonable efforts will be made to make deliveries as scheduled. All shipping dates are based upon receipt of

complete orders, performance of routine quality control and Purchaser's inspection/testing requirements which, if the normal

production sequence is affected, will be considered as extending shipping dates appropriately. GRAYLOC assumes no liabili-

ty for damage arising out of failure to deliver materials as scheduled.

8. Cancellation or Rescheduling of Orders

8.1 Orders once placed and accepted, may be canceled only with GRAYLOC's written consent and upon terms which will save

GRAYLOC from loss. No products may be returned for credit, warranty claim or adjustment without the written consent of

authorized GRAYLOC employees.

8.2 GRAYLOC may, but is not obligated to, accept a written request by Purchaser to delay shipment of the products. If resched-

uling is accepted by GRAYLOC, Purchaser shall pay any additional costs incurred by the delay and the price for the balance

of the order shall be adjusted to reflect prices and costs in effect at time of actual shipment.

9. Taxes, Licenses or Other Charges

9.1 All taxes or other charges imposed by law on the sale or production of goods or the performance of services under this

Agreement, including, but not limited to, those from all governmental authorities, as well as all foreign taxes, surcharges, cus-

toms duties, consular fees, assessments or other applicable charges, if any, shall be borne by the Purchaser, unless the law

specifically provides that such payment must be borne by GRAYLOC. Purchaser shall pay for and hold GRAYLOC harmless

from all such governmental charges.

9.2 Purchaser shall, at its own expense, obtain all licenses, permissions or authorizations to use, purchase, export or import the

products, as may be required by any governmental authority. The procurement of consular fees for legalizing invoices, stamp-

ing Bills of Lading or other such documents and declarations required by the law of any country or destination, are not includ-

ed in quotations or selling prices. Although it is not GRAYLOC's policy to make such arrangements, if instructed by the

Purchaser and agreed to in writing by GRAYLOC, GRAYLOC will make arrangements for any consular documents and decla-

rations needed, as agents of the Purchaser. GRAYLOC assumes no liability whatsoever as a result of making such arrange-

ments and all costs and liability shall be borne by the Purchaser.

10. Services

Upon the request of the Purchaser, GRAYLOC will provide appropriate services and/or technical information, as available, regarding

the products and their uses, and will use reasonable efforts to provide personnel to assist the Purchaser in effecting field installations.

The Purchaser acknowledges that any such information, service or assistance so provided, whether with or without charge, shall be

in an advisory capacity only. The Purchaser further agrees that GRAYLOC assumes no liability for any damage or loss at any loca-

tion arising out of, resulting from or caused, in whole or in part, by any information, service, advice or assistance provided by GRAY-

LOC, its agents, assigns, employees or subcontractors.

11. Packaging/Insurance

11.1 When obligated to do so in the specifications, GRAYLOC shall attempt to pack and prepare all shipments in such a manner as

to prevent breakage, rust or deterioration in transit. GRAYLOC does not, however, guarantee against such damage and the

risk of any damage to the products in transit shall be borne by the Purchaser at all times.

11.2 Unless requested by the Purchaser and agreed to in writing by GRAYLOC, no shipments are insured by GRAYLOC against

damage or loss in transit and GRAYLOC assumes no liability whatsoever in regard to the obtaining of such insurance.

12. Changes and Modifications in Design

GRAYLOC hereby reserves the right to change or modify the specification and construction of any of its products without incurring

any obligation to furnish or install such changes or modifications on products previously or subsequently sold.

13. Patent Warranties

The Purchaser acknowledges that GRAYLOC does not warrant that any of the materials, equipment or apparatus sold by it, if used

or sold in combination with any other equipment, or used in Purchaser's methods or processes, will not, by virtue of such combination

or use, infringe patents of others, and GRAYLOC shall not be liable for any patent infringement arising from or by reason of any such

use or sale. On any item sold by GRAYLOC, but specified or designed and/or manufactured by others, GRAYLOC shall endeavor,

for protection of Purchaser, to obtain the most advantageous patent guarantee, which shall run directly to Purchaser, with

GRAYLOC's liability limited to rendering to Purchaser reasonable assistance in enforcing such guarantees. Further, GRAYLOC shall

not be liable for the use or sale of any material, equipment or apparatus specially made, in whole or in part, to the Purchaser's design

specifications and, in such instances, all patent liabilities shall be borne by the Purchaser. If an injunction is issued enjoining use of

products designed by GRAYLOC, GRAYLOC, at its own expense, shall either procure for Purchaser the right to continue to use such

products, design and specify non-infringing products, or design and specify modifications so that the product becomes non-infringing,

as GRAYLOC's sole and limited obligation for patent infringement.

14. Shortages

Subject to Paragraphs 7.1, 11.1 and 11.2, all claims regarding shortages in any shipment must be made within thirty (30) days from

the receipt of such shipment, and must be accompanied by the packing list or lists covering the shipment.

15. Force Majeure

Neither GRAYLOC nor Purchaser shall be liable for any delay or inability in performing obligations hereunder, or interfering with pro-

duction or receipt of goods as herein contemplated, if the delay, inability or interference is due to causes (such as acts of God, war,

resurrection, riot, blockade, earthquake, fire, cyclone, flood, storm of unusual severity, strike, delay of carrier, interruption in utilities,

fuel shortage, embargo, walkout or other labor disturbance, interference of civil or military authority, governmental orders or regula-

tions, or other cause, whether similar or dissimilar) beyond the reasonable control of the party affected, exercising ordinary diligence.

The party so delayed, prevented or interfered with shall be excused from making or taking deliveries to the extent of such delay, pre-

vention or interference (excluding the obligation to pay monies owed), provided prompt written notice is given to the other party.

16. Governing Law

16.1 This Agreement shall be governed and construed in accordance with the General Maritime Law of the United States of

America, not including however any of its conflicts of law rules or other provisions which would direct the application of or refer

to any other body of law(s), or the law of any other jurisdiction, or the laws of any state of the United States. Alternatively, and

only in the event that the General Maritime Law of the United States of America is deemed to not apply, this Agreement, shall

be construed in accordance with the laws of the State of Texas.

16.2 The parties agree that, if the United Nations Convention on International Sale of Goods 1988 (CISG), as amended from time

to time, is applicable to this Agreement, the utilization of the CISG is excluded.

16.3 The invalidity, in whole or in part, of the Terms, or any provision or any part thereof, shall not affect the validity or enforceabili-

ty of any other terms or provisions.

16.4 The right of GRAYLOC to require strict performance of the Terms shall not be affected by any prior waiver or course of dealing.

16.5 Should any governmental law, regulation, ruling and/or policy (including, but not limited to, import/export restrictions, license

requests, exchange controls or requirements, or any document for certifications or information which may tend to discriminate

or favor GRAYLOC's customers) effectively prohibit or restrict GRAYLOC or its affiliates from delivering products or services,

or restrict GRAYLOC or its affiliates from receiving or remitting currency payments or the equivalent thereof, in full payment for

products/services, then GRAYLOC or its affiliates shall not be liable for any damages. GRAYLOC shall endeavor to promptly

notify Purchaser of any known restrictions or prohibitions.

16.6 In the event of termination, cancellation or avoidance of this Agreement, the terms and conditions pertaining to warranty limita-

tions and disclaimers, indemnities, environmental liability, disclaimer of consequential damages, and limitations of liability, shall

remain in full force and effect.

For further information on the Grayloc®connector and related products, please contact the nearest

Grayloc Products engineering, manufacturing and sales locations:

In addition to the locations listed above, Grayloc products are sold through licensed agent/distributors throughout the world. Contact the appropriate regional sales headquarters for further information.

Western Hemisphere Eastern Hemisphere

Hydropark, Tern Place

Houston, Texas 77041-2411 Denmore Road, Bridge of Don

U.S.A. Aberdeen, Scotland AB23 8JX

Tel: 713-466-8853 Tel: (44) 1224 222790

Fax: 713-937-2335 Fax: (44) 1224 222780

Middle East

Unit No FZS1-BG04

Jebel Ali Free Zone

Dubai, U. A.E.

Tel +971 (0) 4 886 1980

Fax +971 (0) 4 886 1766

11835 Charles Road

Grayloc Catalog (GLOC 105 11 09 5M) 20

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