Emerson Fisher 8532 Data Sheet

2015-03-30

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Fisherr8532 High-Performance Butterfly

Valve

The Fisher 8532 high-performance butterfly valve

provides outstanding performance under extreme

pressure and temperature conditions. The 8532 valve

maintains tight shutoff, is available in a fire-tested

version, and can be specified for cryogenic

applications.

The 8532 valve is available as either a flangeless,

wafer-style design or as a single-flange (lugged)

design. A splined drive shaftcombineswithavarietyof

spring-and-diaphragm or pneumatic piston actuators

to make the 8532 a reliable, high-performance

butterfly valve for a variety of throttling and on-off

applications in the various process industries.

The8532valvecanbesuppliedwithoneofseveral

dynamic seals (figure 4) that can be used in a variety of

demanding applications. With the appropriate seal

selection and materials of construction, the

pressure-assisted seal provides excellent shutoff

against the full CL150 or CL300 pressure ratings.

Unless otherwise noted, all NACE references are to

NACE MR0175-2002.

Features

Economical Tight Shutoff–The pressure-assisted

seal design provides tight shutoff against the full

pressure rating of the specified valve.

Safety–Shaft blowout protection is designed into

the8532valve(figure6).Theanti-blowout gland

fits securely over the valve shaft which has been

turned down to form a circumferential shoulder

that contacts the anti-blowout gland.

Excellent Flow Control–With a modified equal

percentage flow characteristic, the 8532 can be

used for throttling applications through 90 degrees

of disc rotation. Rangeability is 100 to 1.

W9138-2

Economically Designed for Minimal Deadband–A

splined end connection on the drive shaft allows

lever clamping by most Fisher rotary actuators.

Application Versatility–Standard construction

materials and seal assemblies provide long life and

outstanding performance in a broad range of liquid

and gas applications.

Ease of Maintenance–Interchangeability of all parts

including shafts and discs simplifies service and

reduces maintenance costs.

Improved Environmental Capabilities– The optional

ENVIRO-SEALpackingsystemisdesignedwithvery

smooth stem surfaces and live-loading provides

improved sealing, guiding, and loading force

transmission. The ENVIRO-SEAL packing system can

control emissions below the EPA (Environmental

Protection Agency) limit of 100 ppm (parts per

million).

Easy Installation–The valve body self-centers on the

line flange bolts as a fast, accurate means of

centering the valve in the pipeline.

Reliable Flange Gasketing Surface–Seal retainer

screws are located so there is no interference with

the sealing function of either flat sheet or spiral

woundlineflangegaskets.

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Specifications

Available Valve Configurations

JFlangeless, wafer-style or Jsingle-flange (lugged)

controlvalvewithaone-piece valve body, a

two-component seal/backup O-ring, and a splined

drive shaft

Valve Body Sizes

NPS J14, J16, J18, J20, and J24

End Connection Style

JFlangeless, wafer-style or Jsingle flange valve

body designed to fit between raised-face mating

flanges per ASME B16.5 CL150 or CL300

Maximum Inlet Pressure/Temperature(1)

Consistent with JCL150 and JCL300

pressure/temperature ratings per ASME B16.34. Also,

see figures 2 and 3 for additional information

Available Seal Configurations

Standard Constructions

Seefigure4andtable2

Standard Construction Materials

Valve Body and Disc: ASTM grades of Jcarbon steel

or Jstainless steel

Disc Coating:

Hardcoating (also see table 2): JStandard when used

with NOVEX seal, JPhoenix III seal, or JCryogenic

seal

Chromium Carbide: Standard when service

temperature exceeds 538_C (1000_F)

Shaft: ASTM grade of JS17400 (17-4PH H1025 SST),

JS17400 (17-4PH H1150M SST), or JS20910

Shaft Extension Lengths:

High Temperature JNone required for temperatures

less than 343_C(650_F),

J6 inches for temperatures from 343 to 538_C(650

to 1000_F), or J12 inches for temperatures above

538_C (1000_F)

Cryogenic J914mm (36 inches)

Seal Ring: JPTFE, JS31600 (316 SST), JS21800,

JS31600/PTFE, JUHMWPE(4),orJCTFE(5).

Backup ring: JNitrile, JChloroprene, JPTFE,

JFluorocarbon--for a broad range of hydrocarbon

and chemical process applications(1) or JEPR--for

process applications including steam and water(1).A

backup ring is not used with the NOVEX seal

Packing: JPTFE V-ring (standard packing),

JGraphite (optional), or JENVIRO-SEALt

packing (optional).

Bearings: JPEEK(2) (standard material), and

JS31600, JPTFE Composition, or JCoCr-A(Alloy

6) (optional)

Valve Body Classification

Face-to-face dimensions are in compliance with MSS

SP68 and API 609 standards; valve bodies are

designed for installation between ASME B16.5 CL150

or CL300 raised-face flanges

Shutoff Classification. Per ANSI/FCI 70-2and

IEC 60534-4

Standard Soft Seal: Bidirectional bubble-tight shutoff

NOVEX Seal: Unidirectional shutoff

1% of Class IV (preferred flow direction only(3)),

optional Class VI

Phoenix III Seal: Bidirectional bubble-tight

Phoenix III Seal for Fire Tested Applications: Class VI

shutoff. Contact your Emerson Process Management

sales office for more information.

Flow Characteristic

Modified equal percentage

Flow Coefficients

See table 1 and Fisher Catalog 12

Noise Levels

See Catalog 12 for sound pressure level prediction

Available Actuators

JSpring-and-diaphragm, or Jpneumatic piston

(continued)

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Specifications (continued)

Disc Rotation

Clockwise to close

Valve Dimensions and Approximate Weights

See figures 7, 8, 9 and 10

ENVIRO-SEAL Packing

This optional JPTFE or Jgraphite packing system

provides improved sealing, guiding, and transmission

of loading force to control liquid and gas emissions.

See Bulletin 59.3:041 ENVIRO-SEAL Packing Systems

for Rotary Valves for more information.

1. The pressure/temperature limits in this bulletin (figures 2 and 3), and any application code or standard limitation, should not be exceeded.

2. PEEK stands for poly-ether-ether-ketone.

3. For optimum seal performance, the preferred valve orientation at shutoff is with the retaining ring downstream from the high pressure side of the valve.

4. UHMWPE stands for ultra high molecular weight polyethylene.

5. CTFE not recommended for fast cycling, less than 2 seconds. Contact your Emerson Process Management sales office for other seals available for fast cycling or tighter shutoff.

Figure 1. Flow Direction

REVERSE

FLOW (NORMAL FLOW DIRECTION)

FORWARD

FLOW

FACE SIDE OF DISC

A7092

Table 1. Flow Coefficients(1)(3)

VALVE SIZE,

NPS

MAX Cv(2), VALVE 90_OPEN

CL150 CL300

6320

8600

11,050

13,850

21,500

4550

5630

8230

9530

12,510

1. To obtain the flow coefficient Kvin terms of cubic meters per hour at one kilogram

force per square centimeter differential pressure across the valve, using the following

multiplier: Kv=0.856C

2. Measured in gallons per minutes at 1 psi differential pressure across the valve.

3. See the section titled Coefficients in this bulletin, and also Catalog 12 for a

complete listing of flow coefficients.

Installation

Recommended installation for the 8532 valve is with

the shaft horizontal in a normal-flow direction.

Horizontal installation will enhance valve performance

because process fluid flow will sweep entrained solids

from valve surfaces. This sweeping action prevents

particle buildup on seal surfaces. However, the valve

may be installed in either the forward or reverse flow

direction.

The standard soft seal offers bubble-tight, bidirectional

shutoff. To meet the performance requirements of

many of today's fire-tested requirements, a Phoenix III

valvemustbeinstalledinthepreferredvalve

orientation. Both the NOVEX and cryogenic seals are

uni-directional and should be installed with the shaft

upstream of the seal.

Unique operating conditions may require a specific

combination of actuator motion. To satisfy unique

operating requirements, the valve and actuator can be

assembled in eight ways, providing for actuator

motion and open disc position. For assistance in

selecting the appropriate combination of actuator

action and open valve position, consult your Emerson

Process Management sales office.

Dimensions and weights for wafer-style and

single-flange valves are shown in figures 7, 8, 9 and 10.

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Figure 2. Maximum Pressure/Temperature Ratings for Soft Seal, NOVEX Seal and Phoenix III Seal, CL150 and CL300

Note

Because of potential erosive effects and premature seal failure that can occur, throttling PTFE seals at differential pressures greater than 300 psidatdiskangleslessthan

20 degrees open is not recommended.

Temperature limitations do not account for the additional limitations imposed by the backup O-ring used with this seal. To determine the effective temperature limita

tion of the appropriate seal backup O-ring combination, refer to table 1.

C0759-1

CL150 PHOENIX II SEAL CL300 PHOENIX II SEAL

CL150 NOVEX SEAL CL300 NOVEX SEAL

CL150 SOFT SEAL CL300 SOFT SEAL

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Figure 3. Maximum Pressure/Temperature Ratings for Cryogenic Seal, CL150 and CL300

B2336 CL150 CRYOGENIC SEAL CL300 CRYOGENIC SEAL

Figure 4. Available Seal Configurations

B2313-2

PTFE OR UHMWPE SOFT

SEAL WITH BACKUP O-RING

NOVEX METAL SEAL

PHOENIX III

FIRE SAFE SEAL

GRAPHITE

GASKET

GRAPHITE

GASKET

BACKUP

O-RING

BACKUP

O-RING

SEAL RING

METAL

SEAL RING

METAL

SEAL RING

RETAINING

RING

RETAINING

RING

NORMAL

FLOW DIRECTION

(REVERSE FLOW) NORMAL

FLOW

DIRECTION

(REVERSE

FLOW)

NORMAL

FLOW DIRECTION

(REVERSE FLOW)

RESILIENT

INSERT

BODY BODY

BODY

VALVE DISK VALVE DISK

VALVE DISK

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Figure 5. Typical Valve Assembly

SEEFIGURE3 DISC UPPER SHAFT

SEAT RETAINING RING

BEARINGS ANTI-BLOWOUT GLAND

ANTI-BLOWOUT FOLLOWER

THRUST

BEARING

DISC PINS

THRUST BEARING

GASKET RETAINER

GASKET

VALVE BODY

PACKING FOLLOWER

A7093

Figure 6. Blowout Protection

PACKING

FLANGE

ANTI-

BLOWOUT

FLANGE

SHAFT SHOULDER

SHAFT

HEX NUT

STUD

PACKING

FOLLOWER

HEX NUT

TYPICAL PTFE V-RING

PACKING

HEX NUT

PACKING

FLANGE

SHAFT

SHOULDER

STUD

HEX NUT

ANTI-

BLOWOUT

FLANGE

SPRING PACK

ASSEMBLY

PACKING

SET

ANTI-EXTRUSION

RING

PACKING

BOX RING

LUBRICANT

A7090

STANDARD PACKING ARRANGEMENT ENVIRO-SEAL ARRANGEMENT (PTFE SHOWN)

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Table 2. Material Temperature Ratings

COMPONENT AND MATERIAL OF CONSTRUCTION(1) TEMPERATURE RANGE

_C_F

Valve Body(2)

Carbon Steel (WCC or SA 516-70)(7)

CF8M (316 SST) CL150 and CL300

CF8M(3) FMS 20B16 a Fisher material standard (0.04% min carbon) CL300

-29 to 427

-198 to 538

over 538 to 816

-20 to 800

-325 to 1000

over 1000 to 1500

Disc

WCC carbon steel

CF8M (316 SST)

CF8M(3) FMS 20B16 a Fisher material standard (0.04% min carbon) CL300

-29 to 427

-198 to 538

over 538 to 816

-20 to 800

-325 to 1000

over 1000 to 1500

Disc Coating

Chromium Carbide

Chrome Plating

Chromium Coating

Electroless Nickel Coating (ENC)

-198 to 916

-254 to 316

-254 to 593

-254 to 343

-325 to 1500

-425 to 600

-425 to 1100

-425 to 650

Shaft

S20910

S17400 (17-4 pH 1025)

S17400 (17-4 pH H1150M)

N07718

N07750

-198 to 538

-73 to 427

-196 to 427

-254 to 704

over 593 to 816

-325 to 1000

-100 to 800

-320 to 800

-425 to 1300

over 1100 to 1500

Bearings(6)

PEEK (standard)

S31600(4)

R30006 (Alloy 6)

Bronze

-73 to 260

-198 to 816

-254 to 302

-100 to 500

-325 to 1500

-425 to 575

Packing

PTFE Packing and PTFE ENVIRO-SEAL Packing

Graphite packing

Graphite packing with oxidizing media

Graphite ENVIRO-SEAL Packing

-148 to 232

-198 to 916

-198 to 538

-148 to 315

-325 to 450

-325 to 1500

-325 to 1000

-325 to 600

Seal Ring and

Backup Ring

PTFE Seal Ring

Nitrile Backup O-Ring

Chloroprene Backup O-Ring

EPR Backup O-Ring

Fluorocarbon Backup O-Ring

PTFE Backup O-Ring

-29 to 93

-43 to 149

-54 to 182

-29 to 204

-73 to 204

-20 to 200

-45 to 300

-65 to 360

-20 to 400

-100 to 400

UHMWPE(5) Seal Ring (CL150 Only)

Nitrile Backup O-Ring

Chloroprene Backup O-Ring

EPR Backup O-Ring

Fluorocarbon Backup O-Ring

PTFE Backup O-Ring

-29 to 93

-43 to 93

-54 to 93

-29 to 93

-73 to 93

-20 to 200

-45 to 200

-65 to 200

-20 to 200

-40 to 200

Phoenix III and/or Fire Tested Construction

S31600 and PTFE Seal Ring with Nitrile Backup O-Ring

Chloroprene Backup O-Ring

EPR Backup O-Ring

Fluorocarbon Backup O-Ring

-40 to 149

-54 to 149

-62 to 204

-40 to 232

-40 to 300

-65 to 300

-80 to 400

-100 to 200

Seal Ring

NOVEX S31600 Seal(4) Ring (CL150)

NOVEX S31600 Seal(4) Ring (CL300)

NOVEX S21800 Seal(4) Ring (CL300)

-29 to 538

-29 to 816

-20 to 1000

-20 to 1500

-40 to 1500

Cryogenic Seal Ring Contact your Emerson Process Management sales office

1. NACE trim constructions are available; consult your Emerson Process Management sales office.

2. Special gasket retainer bolts are required for over 482_C(900_F)

3. Special retaining ring screws for single flange valves over 538_C (1000_F)

4. For a complete material description, contact your Emerson Process Management sales office.

5. UHMWPE stands for ultra high molecular weight polyethylene.

6. Special thrust bearings are required for high temp. applications over 343_C(650_F) (with 6-and 12-inch shaft extensions). Constructions with carbon steel valves and SST discs may require

special thrust bearings at temperatures less than 343_C (650_F).

7. Cast or wrought /plate grades used interchangeably, depending upon availability - unless requested by customer.

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Table 3. Dimensions and Weights, Wafer Style Valves, CL150

Valve Size,

NPS A(1) D G K M(2) R

(Shaft Dia

at Yoke

Bearings)

T U W Y Approx

Weight

mm kg

91.9

102

114

208

356

295

318

349

327

371

400

331

375

419

422

465

529

31.8

39.6

235

273

46.0

50.8

17.5

20.1

---

28.6 4 holes

31.8 4 holes

139

127

154

356

381

438

432

492

464

581

584

692

44.5

57.2

273

337

50.8

76.2

20.1

23.9

31.8 4 holes

34.9 4 holes

167

255

Inches Pounds

3.62

4.00

4.50

8.19

11.62

12.50

13.75

12.88

14.62

15.75

13.04

14.77

16.49

16.62

18.31

20.81

1-1/4

1-9/16

9.25

10.75

1.81

2.00

0.69

0.81

---

1-1/8 4 holes

1-1/4 4 holes

158

207

307

5.00

6.06

15.00

17.25

17.00

19.38

18.27

22.87

23.00

27.25

1-3/4

2-1/4

10.75

13.25

2.00

3.00

0.81

0.94

1-1/4 4 holes

1-3/8 4 holes

368

563

1. Face-to-face dimensions are in compliance with MSS SP68 and API 609 specifications.

2. M is the minimum pipe or flange I.D. required for disc swing clearance.

Figure 7. Dimensions and Weights, Wafer Style Valves, CL150 (also see table 3)

C0729-1

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Table 4. Dimensions and Weights, Single Flange Valves, CL150

Valve Size,

NPS A(1) D G K M(2) R

(Shaft Dia

at Yoke

Bearings)

T U W Y Approx

Weight

mm kg

91.9

102

114

208

356

295

318

349

327

371

400

331

375

419

531

607

645

31.8

39.7

235

273

46.0

50.8

14.2

20.1

---

138

178

127

154

356

381

438

432

492

464

581

696

822

44.5

57.2

273

337

50.8

76.2

20.1

23.9

---

224

315

Inches Pounds

3.62

4.00

4.50

8.19

11.62

12.50

13.75

12.88

14.62

15.75

13.04

14.77

16.49

20.88

23.88

25.38

1-1/4

1-9/16

9.25

10.75

1.81

2.00

0.56

0.81

1-812Holes

1-816Holes

1-1/8-816Holes

209

304

393

5.00

6.06

15.00

17.25

17.00

19.38

18.27

22.87

27.38

32.38

1-3/4

2-1/4

10.75

13.25

2.00

3.00

0.81

0.94

1-1/8-820Holes

1-1/4-820Holes

493

773

1. Face-to-face dimensions are in compliance with MSS SP68 and API 609 specifications.

2. M is the minimum pipe or flange I.D. required for disc swing clearance.

Figure 8. Dimensions and Weights, Single Flange Valves, CL150 (also see table 4)

C0730-1

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Table 5. Dimensions and Weights, Wafer Style Valves, CL300

Valve Size,

NPS A(1) D G K M(2) R

(Shaft Dia

at Yoke

Bearings)

T U W Y Approx

Weight

mm kg

117

133

149

356

319

353

384

364

397

419

304

346

389

437

498

556

44.5

57.2

273

337

50.8

76.2

20.6

23.9

---

121

183

227

159

181

265

546

416

483

546

442

523

605

716

337

76.2

23.9

---

364

469

Inches Pounds

4.62

5.25

5.88

12.56

13.88

15.12

14.31

15.62

16.50

13.6

15.3

17.19

19.62

21.88

1-3/4

2-1/4

10.75

13.25

0.81

0.94

1-1/8-84Holes

1-1/4-84Holes

266

403

500

6.25

7.12

10-7/16

21-1/2

16.38

19.00

21.50

17.4

20.6

23.81

28.19

13.25

0.94

1-1/4-84Holes

1-1/2-84Holes

802

1035

1. Face-to-face dimensions are in compliance with MSS SP68 and API 609 specifications.

2. M is the minimum pipe or flange I.D. required for disc swing clearance.

Figure 9. Dimensions and Weights, Wafer Style Valves, CL300 (also see table 5)

B2352

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Table 6. Dimensions and Weights, Single Flange Valves, CL300

Valve Size,

NPS A(1) D G K M(2) R

(Shaft Dia

at Yoke

Bearings)

T U W Y Approx

Weight

mm kg

117

133

149

356

319

353

384

364

397

419

304

346

389

594

657

721

44.5

57.2

273

337

50.8

76.2

20.6

23.9

---

227

294

402

159

181

265

546

416

483

546

442

523

784

924

337

76.2

23.9

---

544

821

Inches Pounds

4.62

5.25

5.88

12.56

13.88

15.12

14.31

15.62

16.50

12.0

13.6

15.3

23.38

25.88

28.38

1-3/4

2-1/4

10.75

13.25

0.81

0.94

1-1/8-816Holes

1-1/4-820Holes

1-1/4-824Holes

500

649

886

6.25

7.12

10-7/16

21-1/2

16.38

19.00

21.50

17.4

20.

30.88

36.38

13.25

0.94

1-1/4-824Holes

1-1/2-824Holes

1200

1810

1. Face-to-face dimensions are in compliance with MSS SP68 and API 609 specifications.

2. M is the minimum pipe or flange I.D. required for disc swing clearance.

Figure 10. Dimensions and Weights, Single Flange Valves, CL300 (also see table 6)

B2353

8532 Valve

D101552X012

Product Bulletin

51.6:8532

April 2013

Emerson Process Management

Marshalltown, Iowa 50158 USA

Sorocaba, 18087 Brazil

Chatham, Kent ME4 4QZ UK

Dubai, United Arab Emirates

Singapore 128461 Singapore

www.Fisher.com

The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they arenot

to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are

governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such

products at any time without notice.

Fisher and ENVIRO-SEAL are marks owned by one of the companies in the Emerson Process Management business unit of Emerson Electric Co. Emerson

Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are the property of their

respective owners.

Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance

of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.

Emerson Fisher 8532 Data Sheet

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