Emerson Fisher Easy E Ewt C Instruction Manual

2015-03-30

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Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Fisherr EZ-C, ET-C, and EWT-C Cryogenic
Sliding-Stem Control Valves
Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Scope of Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Educational Services . . . . . . . . . . . . . . . . . . . . . . . . . 3
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Packing Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . 7
Replacing Packing . . . . . . . . . . . . . . . . . . . . . . . . 7
Trim Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 10
EZ-C Trim Disassembly . . . . . . . . . . . . . . . . . . . 10
EZ-C Trim Assembly . . . . . . . . . . . . . . . . . . . . . 11
ET-C and EWT-C Trim Disassembly . . . . . . . . . 12
ET-C and EWT-C Valve Plug Maintenance . . . . 13
ET-C and EWT-C Trim Assembly . . . . . . . . . . . 14
Coining Soft Metal-to-Metal Seats . . . . . . . . . 14
Parts Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Parts Kits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Bonnet Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
EZ-C Valve Body Parts . . . . . . . . . . . . . . . . . . . . . . . 18
ET-C and EWT-C Valve Body Parts . . . . . . . . . . . . . . 22

Figure 1. Typical Fisher Cryogenic Valve with
Extension Bonnet and 585C Series Actuator

W6370

Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for Fisher EZ-C, ET-C and EWT-C
valves (see figure 1). Refer to separate manuals for instructions covering the actuator and accessories.
Do not install, operate, or maintain EZ-C, ET-C or EWT-C valves without being fully trained and qualified in valve,
actuator, and accessory installation, operation, and maintenance. To avoid personal injury or property damage, it is
important to carefully read, understand, and follow all the contents of this manual, including all safety cautions and
warnings. If you have any questions about these instructions, contact your Emerson Process Management sales office
before proceeding.

Description
EZ-C: globe-style, single-port, unbalanced valves with integral end connections, post guiding, metal-to-metal seating,
and quick-change trim. They feature stainless steel construction materials and fabricated extension bonnets.
ET-C and EWT-C: metal-to-metal seated globe-style, single-port, cage-guided, pressure-balanced valves featuring
stainless steel construction materials and fabricated extension bonnets.

www.Fisher.com

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Table 1. Specifications
Material Temperature Capability(2)

Valve Sizes
EZ-C: NPS J 1, J 1-1/2, J 2, J 3, and J 4
ET-C: NPS J 3, J 4, J 6, and J 8
EWT-C: NPS J 6X4(1), J 8X4, J 8X6, J 12X6, and
J 10X8

CL150, 300, and 600 raised-face flanges per ASME
B16.5
Maximum Inlet Pressure(2)
CL150 and 300–Valves are consistent with
pressure-temperature ratings per ASME B16.34
CL600–Valves with B8M Class 2 bolting are
consistent with CL600 pressure-temperature ratings
per ASME B16.34 except as shown below:
EZ-C VALVES
Maximum Inlet Pressure

1
2
3

ET-C and EWT-C:
-198 to 66_C (-325 to 150_F)
Maximum Allowable Actuator Thrust

End Connection Styles(2)

Valve Size, NPS

EZ-C: -198 to 149_C (-325 to 300_F)

Bar

Psig

77
83
94

1110
1200
1370

See table 2
Flow Characteristics
EZ-C: Equal percentage, linear, and
quick opening
ET-C and EWT-C: Equal percentage and linear
Flow Directions
EZ-C:Up through the seat ring only
ET-C and EWT-C: Normally down(4)
Approximate Weights
EZ-C:
NPS 1: 11 kg (33 lb)
NPS 1-1/2: 23 kg (48 lb)

ET-C AND EWT-C VALVES
Valve Size, NPS

Maximum Inlet Pressure

NPS 2: 41 kg (90 lb)

Bar

Psig

NPS 3: 60 kg (130 lb)
NPS 4: 95 kg (210 lb)

1370

6, 8 x 6, 12 x 6

1085

8, 10 x 8

1390

ET-C:
NPS 3: 51 kg (135 lb)

CL600–Valves with optional S20910 (XM-19) bolting
are consistent with CL600 pressure-temperature
ratings per ASME B16.34

NPS 4: 95 kg (210 lb)
NPS 6: 211 kg (465 lb)
NPS 8: 372 kg (820 lb)

Shutoff Classifications per ANSI/FCI 70-2
and IEC 60534-4
VALVE
EZ-C
ET-C and EWT-C

SHUTOFF CLASS
Class IV–Standard

EWT-C
NPS 6X4: 200 kg (440 lb)
NPS 8X4: 277 kg (610 lb)

Class VI–Optional

NPS 8X6: 318 kg (700 lb)

Class IV–Standard

NPS 12X6: 730 kg (1610 lb)

Class V Air Test(3)
–Optional

NPS 10X8: 753 kg (1660 lb)

1. Valve size number is end connection size by normal trim size. For example, an NPS 6X4 valve has NPS 6 end connections with NPS 4 trim.
2. Do not exceed the pressure/temperature limits in this manual and any applicable code limitation.
3. Class V Air Test is optional. Test will be 50 psid air. Class V shutoff cannot be performed with water. The residual trapped moisture from testing with water can cause valve and trim damage
from ice crystals formed at below freezing service temperatures.
4. Down is in through the cage and out the seal ring. (see figure 9).

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Table 2. Maximum Allowable Actuator Thrust for Standard Style 3 Bonnet Extension Length
STEM DIAMETER

VALVE SIZE, NPS

1
1-1/2
2
3
4, 6X4, 8X4
6, 8X6, 12X6
8, 10X8

MAXIMUM ALLOWABLE STEM LOAD
FOR S20910 (XM-19) STEM MATERIAL
N
Lb

Inches

9.5

3/8

5382

1210

12.7

1/2

13166

2960

9.5

3/8

5338

1200

12.7

1/2

13166

2960

12.7

1/2

14367

3230

19.1

3/4

44169

9930

12.7

1/2

15301

3440

19.1

3/4

45459

10220

12.7

1/2

16458

3700

19.1

3/4

46971

10560

19.1

3/4

36385

8180

25.4

81487

18320

19.1

3/4

41366

9300

25.4

87003

19560

Educational Services
For information on available courses for Fisher EZ-C, ET-C, and EWT-C valves, as well as a variety of other products,
contact:
Emerson Process Management
Educational Services - Registration
Phone: 1-641-754-3771 or 1-800-338-8158
E-mail: education@emerson.com
http://www.emersonprocess.com/education

Installation
Isolate the control valve from the line pressure, release pressure from both sides of the valve body, and drain the
process media from both sides of the valve. Remove actuator supply pressure, and use lockout procedures to be sure
that the above measures stay in effect while you work on the equipment. Refer to the Warnings at the beginning of the
Maintenance section for additional information.

WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal
injury.
Personal injury or equipment damage caused by sudden release of pressure may result if the valve assembly is installed
where service conditions could exceed the limits given in table 1 or on the appropriate nameplates. To avoid such injury or
damage, provide a relief valve for over-pressure protection as required by government or accepted industry codes and
good engineering practices.
Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
If installing into an existing application, also refer to the WARNING at the beginning of the Maintenance section in this
instruction manual.

EZ-C, ET-C, and EWT-C Valves
October 2014

Instruction Manual
D102175X012

CAUTION
When ordered, the valve configuration and construction materials were selected to meet particular pressure, temperature,
pressure drop, and controlled fluid conditions. Since some valve body/trim material combinations are limited in their
pressure drop and temperature ranges, do not apply any other conditions to the valve without first contacting your
Emerson Process Management sales office.
Before installing the valve, inspect the valve and pipelines for any damage and any foreign material which may cause
product damage.

1. Before installing the valve, inspect the valve and associated equipment for any damage and any foreign material.
2. Make certain the valve body interior is clean, that pipelines are free of foreign material, and that the valve is
oriented so that pipeline flow is in the same direction as the arrow on the side of the valve.
3. Gas Service: The normal method of mounting for gas service is with the actuator vertical above the valve body.
However, the control valve assembly may be installed in any orientation unless limited by seismic criteria. Other
positions may result in uneven valve plug and cage wear that could result in improper operation. For mounting
assistance, consult your Emerson Process Management sales office.

CAUTION
To avoid possible damage to the packing, do not allow the installed actuator angle to be so flat as to allow liquid inside the
bonnet to come in contact with the packing.
Also, if insulation is applied, do not let the insulation run up the extension bonnet. This could cause the packing to freeze
and be damaged.

Liquid Service: The preferred method of mounting for liquid service is with the actuator vertical above the valve body.
This will allow a vapor layer to form between the liquid and the packing. If there are piping constraints, the actuator
can be angled slightly from vertical. However, in no case should the angle be so flat as to allow liquid inside the bonnet
to come in contact with the packing. For mounting assistance, consult your Emerson Process Management sales
office.
4. If insulation is applied, make sure it is applied only to the body/bonnet joint. Do not let the insulation run up the
extension bonnet.
5. Use accepted piping and welding practices when installing the valve in the line. For flanged valve bodies, use a
suitable gasket between the valve body and pipeline flanges.
6. If the actuator and valve are shipped separately, refer to the actuator mounting procedure in the appropriate
actuator instruction manual.

WARNING
Personal injury could result from packing leakage. Valve packing was tightened before shipment; however, the packing
might require some readjustment to meet specific service conditions.

Valves with ENVIRO-SEALt live-loaded packing will not require this initial readjustment. See the Fisher instruction
manual titled ENVIRO-SEAL Packing System for Sliding-Stem Valves for packing instructions. If you wish to convert
your present packing arrangement to ENVIRO-SEAL packing, refer to the retrofit kits listed in the parts kit sub-section
near the end of this manual.

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Maintenance
Valve parts are subject to normal wear and must be inspected and replaced as necessary. Inspection and maintenance
frequency depends on the severity of service conditions. This section includes instructions for packing maintenance
and trim maintenance. All maintenance operations may be performed with the valve in the line.

WARNING
Avoid personal injury or property damage from sudden release of process pressure. Before performing any maintenance
operations:
D Do not remove the actuator from the valve while the valve is still pressurized.
D Always wear protective gloves, clothing, and eyewear when performing any maintenance operations to avoid personal
injury.
D Disconnect any operating lines providing air pressure, electric power, or a control signal to the actuator. Be sure the
actuator cannot suddenly open or close the valve.
D Use bypass valves or completely shut off the process to isolate the valve from process pressure. Relieve process pressure
from both sides of the valve. Drain the process media from both sides of the valve.
D Vent the pneumatic actuator loading pressure and relieve any actuator spring precompression.
D Use lock-out procedures to be sure that the above measures stay in effect while you work on the equipment.
D The valve packing box may contain process fluids that are pressurized, even when the valve has been removed from the
pipeline. Process fluids may spray out under pressure when removing the packing hardware or packing rings, or when
loosening the packing box pipe plug.
D Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.

CAUTION
Follow instructions carefully to avoid damaging the product surfaces, which could result in damage to the product.

Note
Whenever a gasket seal is disturbed by removing or shifting parts, a new gasket should be installed upon reassembly. This is
necessary to ensure a good gasket seal since the used gasket may not seal properly.

Figure 2. Single PTFE V-Ring Packing Arrangement
UPPER WIPER
(KEY 12)
PACKING
FOLLOWER
(KEY 13)

WASHER
(KEY 10)
SPRING
(KEY 8)

FEMALE
ADAPTER 1
PACKING RING
MALE
ADAPTER

PACKING BOX
RING (KEY 11)
12A7837-A
A6745

LOWER WIPER 1
NOTE:
1 PACKING SET (KEY 6) CONTAINS A FEMALE ADAPTER, V-RING PACKING RINGS, MALE ADAPTER, AND LOWER WIPER RINGS.

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Figure 3. Double PTFE V-Ring Packing Arrangements
UPPER WIPER
(KEY 12)
PACKING
FOLLOWER (KEY 13)
FEMALE
ADAPTER

PACKING RING

MALE
ADAPTER 1
LANTERN RING
(KEY 8)

PACKING BOX
RING (KEY 11)

9.5 mm
(3/8 INCH)
STEM

LOWER WIPER

12.7 mm 19.1, 25.4, OR 31.8 mm
(1/2 INCH) (3/4, 1, OR 1-1/4 INCH)
STEM
STEM

NOTE:
1 PACKING SET (KEY 6) CONTAINS A FEMALE ADAPTER, V-RING PACKING RINGS, MALE ADAPTER, AND LOWER WIPER RINGS.
A6746

Figure 4. Graphite Ribbon/Filament Packing Arrangements
PACKING
FOLLOWER (KEY 13)
GRAPHITE RIBBON
PACKING RING
(KEY 7)
GRAPHITE FILAMENT
PACKING RING
(KEY 7)
LANTERN RING
(KEY 8)
PACKING BOX
RING (KEY 11)

9.5 mm
(3/8 INCH)
STEM

12.7 mm
(1/2 INCH)
STEM

19.1, 25.4, OR 31.8 mm
(3/4, 1, OR 1-1/4 INCH)
STEM

NOTE:
0.102 mm (0.004 INCH) THICK SACRIFICIAL ZINC WASHERS: USE ONLY ONE BELOW EACH GRAPHITE RIBBON RING.
1
A6747

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Packing Maintenance
This section covers PTFE V-ring, double PTFE, and graphite packing used in extension bonnets (figures 2, 3, and 4).

Note
If the valve has ENVIRO-SEAL live-loaded packing installed, refer to the instruction manual ENVIRO-SEAL Packing System for Sliding
Stem Valves for packing instructions. Figure 6 shows typical ENVIRO-SEAL arrangements.

Standard packing key numbers are shown in figures 2, 3, and 4. ENVIRO-SEAL packing key numbers are shown in
figure 6. Bonnet key number locations are shown in figure 7, and valve key numbers are shown in figures 8 and 9.
For spring-loaded single PTFE V-ring packing, the spring (key 8) maintains a sealing force on the packing. If leakage is
noted around the packing follower (key 13), check to be sure the shoulder on the packing follower is touching the
bonnet. If the shoulder is not touching the bonnet, tighten the packing flange nuts (key 5), until the shoulder is against
the bonnet. If leakage cannot be stopped in this manner, proceed with replacing packing procedures.
If there is undesirable packing leakage with other than spring-loaded packing, first try to limit the leakage and
establish a stem seal by tightening the packing flange nuts.
If the packing is relatively new and tight on the stem, and if tightening the packing flange nuts does not stop the
leakage, it is possible that the valve stem is worn or nicked so that a seal cannot be made. The surface finish of a new
valve stem is critical for making a good packing seal. If the leakage comes from the outside diameter of the packing, it
is possible that the leakage is caused by nicks or scratches around the packing box wall. If performing any of the
following procedures, inspect the valve stem and packing box wall for nicks and scratches.

Replacing Packing
WARNING
Refer to the WARNING at the beginning of the Maintenance section in this instruction manual.

Key numbers and sequence of assembly of packing parts are shown in figures 2, 3, and 4. Bonnet key number locations
are shown in figure 7, and valve key number locations are shown in figures 8 and 9, unless otherwise noted.
1. Isolate the control valve from the line pressure, release pressure from both sides of the valve body, and drain the
process media from both sides of the valve. If using a power actuator, also shut off all pressure lines to the power
actuator, and release all pressure from the actuator. Use lock-out procedures to be sure that the above measures
stay in effect while you work on the equipment. Observe the Warnings at the start of the Maintenance section.
2. Disconnect the operating lines from the actuator and any leak-off piping from the bonnet. Disconnect the stem
connector and remove the actuator from the valve by unscrewing the yoke locknut (key 15) or hex nuts (key 26, not
shown).
3. Loosen the packing flange nuts (key 5) so that the packing is not tight on the valve stem. Remove any travel
indicator parts and stem locknuts from the valve stem threads.

WARNING
D To avoid personal injury or property damage caused by uncontrolled movement of the bonnet, loosen the bonnet by
following the instructions in the next steps.

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Do not remove a stuck bonnet by pulling on it with equipment that can stretch or store energy in any other manner. The
sudden release of stored energy can cause uncontrolled movement of the bonnet.
D To avoid personal injury or damage to the seating surface caused by the valve plug and stem assembly dropping from
the bonnet after being lifted out of the valve body, observe the following instructions.

4. When lifting an EZ-C bonnet, temporarily install a valve stem locknut on the valve stem. This locknut will prevent
the valve plug and stem assembly from dropping out of the bonnet.
5. When lifting an ET-C or EWT-C bonnet, be sure the plug and stem assembly and cage remain in the valve body.

WARNING
To avoid possible personal injury, review your process shutdown procedures to be sure process pressure is not applied to
the valve for the following procedure.

6. Hex nuts (key 16) attach the bonnet to the valve body (key 1). Loosen these nuts or cap screws approximately 3 mm
(1/8 inch). Then, loosen the body-to-bonnet joint by either rocking the bonnet or prying between the bonnet and
valve body. Work with a prying tool around the bonnet until the bonnet loosens.
Table 3. Recommended Torque for Packing Flange Nuts
VALVE STEM DIAMETER
mm
9.5

12.7

19.1

25.4

31.8

Inch

PRESSURE
RATING

3/8

1/2

3/4

1-1/4

GRAPHITE PACKING

PTFE PACKING

Minimum Torque

Maximum Torque

Minimum Torque

Maximum Torque

NSm

Lbf-in

NSm

Lbf-in

NSm

Lbf-in

NSm

Lbf-in

150

300

600

150

300

600

122

150

149

300

133

199

600

182

274

131

150

169

254

120

300

226

339

108

162

600

310

466

149

223

150

238

357

113

169

300

318

477

152

228

600

437

655

209

314

Table 4. Body-to-Bonnet Torque Guidelines
BOLT TORQUES(1)
Bolt Material(2)

VALVE SIZE, NPS

B8M(3) or S20910 (XM-19)(4)
NSm

Lbf-ft

122

1-1/2 or 2

163

120

4, 6X4, or 8X4

258

190

6, 8X6, or 12X6

522

385

8 or 10X8

712

525

1. Determined from laboratory testing.
2. For bolting materials not listed in table 4, contact your Emerson Process Management sales office for torque information.
3. SA193-B8M strain hardened.
4. Hot rolled.

Instruction Manual
D102175X012

EZ-C, ET-C, and EWT-C Valves
October 2014

D If fluid leaks from the joint, it may indicate that process pressure is applied to the valve. Review your process
shutdown procedures, and be sure process pressure is not applied to the valve.
D If no fluid leaks from the joint, remove the nuts completely and carefully lift the bonnet off the valve body.
7. For EZ-C valves, remove the stem locknut. Separate the valve plug and stem from the bonnet, and set the parts on a
protective surface to prevent damage to gasket or seating surfaces.
8. For ET-C and EWT-C: If it is necessary to remove and inspect the valve trim, refer to the following Trim Maintenance
section.
9. Remove the bonnet gasket (key 10) and cover the opening in the valve to protect the gasket surface and prevent
foreign material from getting into the valve body cavity.
10. Remove the packing flange nuts, packing flange, upper wiper, and packing follower (keys 5, 3, 12, and 13).
Carefully push out all the remaining packing parts from the valve side of the bonnet using a rounded rod or other
tool that will not scratch the packing box wall. Clean the packing box and metal packing parts.
11. Inspect the valve stem threads and packing box surfaces for any sharp edges which might cut the packing.
Scratches or burrs in the packing box surfaces could cause leakage or damage to the new packing. If the surface
condition cannot be improved by light sanding, replace the damaged parts.
12. If necessary, go to the Trim Maintenance procedures to remove, inspect or replace trim parts. Return to this
section when installing the bonnet on the valve body.

Installing the Bonnet
13. Remove the covering protecting the valve body cavity and install a new bonnet gasket (key 10), making sure the
gasket seating surfaces are clean and smooth. Then slide the bonnet over the stem and onto the stud bolts (key 15).

Note
Proper performance of the bolting procedures in step 10 compresses the spiral wound gasket (key 12) or load ring (key 26) to both
load and seal the seat ring gasket (key 13). It also compresses the outer edge of the bonnet gasket (key 10) to seal the
body-to-bonnet joint.
The proper bolting procedures in step 14 include, but are not limited to, ensuring that bolting threads are clean and evenly
tightening the cap screws or nuts onto the studs in a crisscross pattern. Tightening one cap screw or nut may loosen an adjacent
cap screw or nut. Repeat the crisscross tightening pattern several times until each cap screw or nut is tight and the body-to-bonnet
seal is made.

Note
Stud(s) and nut(s) should be installed such that the manufacturer's trademark and material grade marking is visible, allowing easy
comparison to the materials selected and documented in the Emerson/Fisher serial card provided with this product.

WARNING
Personal injury or damage to equipment could occur if improper stud and nut materials or parts are used. Do not operate or
assemble this product with stud(s) and nut(s) that are not approved by Emerson/Fisher engineering and/or listed on the
serial card provided with this product. Use of unapproved materials and parts could lead to stresses exceeding the design
or code limits intended for this particular service. Install studs with the material grade and manufacturer's identification
mark visible. Contact your Emerson Process Management representative immediately if a discrepancy between actual
parts and approved parts is suspected.

EZ-C, ET-C, and EWT-C Valves
October 2014

Instruction Manual
D102175X012

14. Lubricate the bolting with anti-seize lubricant and install it, using accepted bolting procedures during tightening,
so that the body-to-bonnet joint will withstand test pressures and application service conditions. Use the bolt
torques in table 4 as guidelines.
15. Install new packing and the metal packing box parts according to the appropriate arrangement in figures 2, 3, or 4.
Place a smooth-edged pipe over the valve stem and gently tap each soft packing part into the packing box.
16. Slide the packing follower, upper wiper, and packing flange (keys 12, 13, and 3) into position. Lubricate the
packing flange studs (key 4) and faces of the packing flange nuts (key 5). Install the packing flange nuts.
17. Tightening packing flange nuts (key 5):
a. For spring-loaded PTFE V-ring packing, tighten the packing flange nuts until the shoulder on the packing follower
(key 13) contacts the bonnet.
b. For graphite packing, tighten the packing flange nuts to the maximum recommended torque shown in table 3.
Then, loosen the packing flange nuts, and retighten them to the recommended minimum torque shown in
table 3.
c. For double PTFE V-ring packing, tighten the packing flange nuts alternately in small equal increments until one of
the nuts reaches the minimum recommended torque shown in table 3. Then, tighten the remaining nut until the
packing flange is level and at a 90 degree angle to the valve stem.
d. For ENVIRO-SEAL live-loaded packing, refer to the Fisher instruction manual titled: ENVIRO-SEAL Packing System
for Sliding-Stem Valves.
18. Mount the actuator on the valve assembly and reconnect the actuator and valve stem according to the procedure
in the appropriate actuator instruction manual.

Trim Maintenance
WARNING
Refer to the WARNING at the beginning of the Maintenance section in this instruction manual.

This procedure describes how the valve trim can be completely disassembled. When inspection or repairs are required,
perform only those steps necessary to accomplish the task. Observe the Warning at the start of the Maintenance
section.
Key number locations are shown in figures 8 and 9, unless otherwise noted.

EZ-C Trim Disassembly
Key number locations are shown in figure 8, unless otherwise noted.
1. Remove the actuator and the bonnet according to steps 1 through 9 of the Replacing Packing procedures in the
Maintenance section.

WARNING
To avoid personal injury due to leaking fluids, avoid damaging gasket sealing surfaces.
The surface finish of the valve stem (key 7) is critical for making a good packing seal.
The seating surfaces of the valve plug (key 2) and seat ring (key 9) are critical for proper shutoff.
Protect these surfaces accordingly.

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Figure 5. Fisher EZ-C Valve Stem Torque and Pin Replacement
VALVE STEM
D
GROOVE PIN
(KEY 8)

STEM TORQUE

Inch

NSm

Lbf-ft

9.5
12.7
19.1

3/8
1/2
3/4

40-47
81-115
237-339

25-35
60-85
175-250

DRILL SIZE,
INCHES
3/32
1/8
3/16

D
DIMENSION
mm
Inch
16
19
25

0.625
0.75
1

35A5717-C

Perform the following steps to remove the valve trim.

Note
With some valve plug sizes and configurations, the seat ring retainer and bushing assembly (keys 3 and 26, figure 7, 8, and 9) will
come out of the valve body with the valve plug and stem assembly, and in other valve plug sizes and configurations, the valve plug
will slide through the seat ring retainer and bushing assembly, leaving the retainer and bushing assembly in the valve body.

2. With the valve plug and stem assembly out of the valve body, either slide the seat ring retainer, bushing assembly
(keys 3 and 26), gaskets, and shim (keys 10, 12, and 25) up over the valve plug and stem or, lift the seat ring retainer
and bushing assembly, associated gaskets, and shim out of the valve body. If the valve plug is to be reused, protect
the valve plug seating surface to prevent damage.
3. To disassemble the stem, plug, and pin, drive or drill out the pin (key 8) and unscrew the valve stem (key 7) from the
valve plug (key 2).
4. Remove the seat ring and seat ring gasket (keys 9 and 13).
5. Inspect parts for wear or damage that could prevent proper operation of the valve. Clean, inspect and obtain
replacement parts as necessary for reassembly.

EZ-C Trim Assembly
This procedure assumes that all the trim and associated gaskets were removed from the valve body. If these parts were
not all removed, start the assembly procedure at the appropriate step.

CAUTION
To avoid weakening the stem that may cause failure in service, never reuse an old stem with a new valve plug. Using an old
stem with a new plug requires drilling a new pin hole in the stem, which will weaken the stem. However, a used valve plug
may be reused with a new stem.

Key number locations are shown in figure 8, unless otherwise noted.

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

1. Screw the valve stem (key 7) into the valve plug (key 2). Tighten to the torque valve given in figure 5. Refer to figure
5 to select the proper drill size. Drill through the stem using the hole in the valve plug as a guide. Remove any chips
or burrs and drive in a new pin (key 8) to lock the assembly.
2. Install the seat ring gasket (key 13) and seat ring (key 9).

Note
With some valve plug sizes and configurations, the valve plug will slide through the seat ring retainer and bushing assembly (keys
3 and 26), and in other configurations, it will not.

3. If the valve plug (key 2) will not slide through the seat ring retainer and bushing assembly (keys 3 and 26), proceed
as follows:
a. Place the seat ring retainer and bushing assembly (keys 3 and 26) over the stem of the valve plug and stem
assembly.
b. Install the seat ring retainer and bushing assembly, which also includes the valve plug and stem assembly, on top
of the seat ring, ensuring that the seat ring retainer slips onto the seat ring properly. Any rotational orientation of
the seat ring retainer with respect to the valve body is acceptable.
Table 5. Fisher ET-C and EWT-C Valve Stem Torque and Pin Replacement
VALVE STEM DIAMETER

TORQUE, MINIMUM TO MAXIMUM

Inches

NSm

Lbf-ft

DRILL SIZE, INCHES

9.5

3/8

40-47

25-35

12.7

1/2

81-115

60-85

3/32
1/8

19.1

3/4

238-339

175-250

3/16

25.4

421-482

310-355

1/4

31.8

1-1/4

827-908

610-670

1/4

c. Place the spiral wound gasket, shim, and bonnet gasket (keys 12, 25, and 10) on the shoulder of the seat ring
retainer.
4. If the valve plug (key 2) will slide through the seat ring retainer and bushing assembly (keys 3 and 26), proceed as
follows:
a. Install the seat ring retainer and bushing assembly on top of the seat ring, ensuring that the seat ring retainer
slips onto the seat ring properly. Any rotational orientation of the seat ring retainer with respect to the valve
body is acceptable.
b. Place the spiral wound gasket, shim, and bonnet gasket (keys 12, 25, and 10) on the shoulder of the seat ring
retainer.
c. Slide the valve plug and stem assembly or the valve plug guide and stem assembly into the seat ring retainer and
bushing assembly (keys 3 and 26).
5. Mount the bonnet on the valve body and complete assembly using the Replacing Packing procedures in the
Maintenance section.
6. If the valve has soft metal-to-metal seats, refer to the Coining Soft Metal-to-Metal Seats section.

ET-C and EWT-C Trim Disassembly
Key number locations are shown in figure 9, unless otherwise noted.

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

1. Remove the actuator and the bonnet according to steps 1 through 9 of the Replacing Packing procedure in the
Maintenance section.

WARNING
To avoid personal injury due to leaking fluids, avoid damaging gasket sealing surfaces.
The surface finish of the valve stem (key 7) is critical for making a good packing seal.
The inside surface of the cage (key 3) is critical for tight shutoff and smooth operation of the valve plug.
The seating surfaces of the valve plug (key 2) and seat ring (key 9) are critical for proper shutoff.
Protect these surfaces accordingly.

Perform the following steps to remove the valve trim.
2. Remove the load ring (key 26) from an NPS 8 ET-C or NPS 10X8 EWT-C valve, and wrap it for protection.
3. Remove the plug and stem assembly from the valve body. The cage (key 3) might come out of the valve body with
the plug, due to seal ring friction.
a. If so, carefully separate the cage from the plug and stem assembly.
b. If the cage was not removed from the valve body with the plug and stem assembly, remove it, the associated
gaskets (keys 10 and 12), and shim (key 51).
4. Remove the seat ring (key 9) and seat ring gasket (key 13). Composition seat constructions use a disk (key 23)
sandwiched between a disk seat (key 22) and disk retainer (key 21).
5. Clean, inspect, and if necessary obtain replacement parts.

ET-C and EWT-C Valve Plug Maintenance
CAUTION
To avoid the valve plug seal ring (key 28) not sealing properly and affecting valve performance, be careful not to scratch the
surfaces of the ring groove on the valve plug or any of the surfaces of the replacement ring.

1. With the valve plug (key 2) removed, according to the disassembly portion of the Trim Maintenance procedure,
proceed as follows:
2. The spring-loaded seal ring may be removed by first working the retaining ring (key 27) off with a screwdriver. Then
carefully slide the metal backup ring (key 29) and seal ring (key 28) off the valve plug (key 2).
3. A spring-loaded seal ring must be installed so that its open side faces toward the valve stem, or toward the seat of
the plug depending on flow direction, as shown in view A of figure 9. To install a spring-loaded seal ring, slide the
seal ring (key 28) onto the valve plug followed by the metal backup ring (key 29).
4. Then install the retaining ring (key 27) by inserting one end in the groove and, while turning the plug, press the ring
into the groove. Again, be careful not to scratch any surfaces of the ring or plug.

EZ-C, ET-C, and EWT-C Valves

Instruction Manual

October 2014

D102175X012

5. To replace the valve stem (key 7), drive or drill out the pin (key 8). Unscrew the valve plug from the stem.
6. Screw the new stem into the valve plug. Tighten to the torque value given in table 5. Refer to table 5 to select the
proper drill size. Drill through the stem using the hole in the valve plug as a guide. Remove any chips or burrs and
drive in a new pin to lock the assembly.

ET-C and EWT-C Trim Assembly
Key number locations are shown in figure 9, unless otherwise noted.
1. Install the seat ring gasket (key 13), and seat ring (key 9) or disk seat (key 22). With composition seat constructions,
install the disk (key 23) and disk retainer (key 21).
2. Install the cage (key 3). Any rotational orientation of the cage with respect to the valve body is acceptable.
3. Lower the valve plug (key 2) and stem assembly into the cage. Make sure the seal ring (key 28) is evenly engaged in
the entrance chamfer at the top of the cage (key 3) to avoid damaging the ring.
4. Place the gaskets (keys 12 and 10) and the shim (key 51) on top of the cage.
5. With an NPS 8 ET-C or NPS 10X8 EWT-C valve, install the load ring (key 26).
6. Mount the bonnet on the valve body and complete assembly using the Replacing Packing procedures in the
Maintenance section. Torque guidelines for body-to-bonnet bolting are shown in table 4.
7. If the valve has soft metal-to-metal seats, refer to the Coining Soft Metal-to-Metal Seats section, below.

Coining Soft Metal-to-Metal Seats
Soft metal-to-metal seat constructions consist of a valve plug with hardfaced CoCr-A seat and a non-hardfaced S31600
seat ring. For optimum shutoff performance of these constructions, coin seats by stroking the valve plug into the seat
ring at least three times with maximum actuator force.

CAUTION
To avoid possible product damage which may affect performance, do not lap soft metal-to-metal seats.

Parts Ordering
Each body-bonnet assembly is assigned a serial number which can be found on the valve. This same number also
appears on the actuator nameplate when the valve is shipped from the factory as part of a control valve assembly.
Refer to the serial number when contacting your Emerson Process Management sales office for technical assistance.
When ordering replacement parts, refer to the serial number and to the eleven-character part number for each part
required from the following parts kit or parts list information.

WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Process Management should
not, under any circumstances, be used in any Fisher valve, because they may void your warranty, might adversely affect the
performance of the valve, and could cause personal injury and property damage.

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Parts Kits
Gasket Kits
Includes keys 10, 12, 13, and 25 for EZ-C valves. Includes keys 10, 12, 13, and 51 for ET-C and EWT-C valves.
VALVE SIZE, NPS

KIT PART NUMBER

RGASKETX162

1-1/2

RGASKETX172

RGASKETX182

RGASKETX202

4, 6X4, 8X4

RGASKETX212

RGASKETX222

8X6, 12X6

RGASKETX392

8, 10X8

RGASKETX232

Packing Kits
Packing kits for standard packing includes keys 6, 8, 10, 11, and 12. Packing kits do not apply to N10276, N08020, or
N04400 trims.
Standard Packing Repair Kits (Non Live-Loaded)
Stem Diameter, mm (Inches)
Yoke Boss Diameter, mm (Inches)

9.5 (3/8)
54 (2-1/8)

12.7 (1/2)
71 (2-13/16)

19.1 (3/4)
90 (3-9/16)

25.4 (1)
127 (5)

PTFE (Contains keys 6, 8, 10, 11, and 12)

RPACKX00012

RPACKX00022

RPACKX00032

RPACKX00342

Double PTFE (Contains keys 6, 8, 11, and 12)

RPACKX00042

RPACKX00052

RPACKX00062

RPACKX00362

Single Graphite Ribbon/Filament (Contains keys 7 [ribbon ring],
7 [filament ring], 8, and 11)

RPACKX00102

RPACKX00112

RPACKX00122

---

Single Graphite Ribbon/Filament (Contains keys 7 [ribbon ring],
7 [filament ring], and 11)

---

RPACKX00532

Single Graphite Ribbon/Filament (Contains keys 7 [ribbon ring],
7 [filament ring])

RPACKX00132

RPACKX00142

RPACKX00152

---

Double Graphite Ribbon/Filament (Contains keys 7 [ribbon ring],
7 [filament ring], 8, and 11)

RPACKX00162

RPACKX00172

RPACKX00182

---

ENVIRO-SEAL Packing Retrofit Kits
Retrofit kits include parts to convert valves with existing standard bonnets to the ENVIRO-SEAL packing box
construction. Refer to figure 6 for key numbers for PTFE and Graphite ULF packing.
Stems and packing box constructions that do not meet Fisher stem finish specifications, dimensional tolerances, and
design specifications, may adversely alter the performance of this packing kit.
ENVIRO-SEAL Packing Retrofit Kits
PACKING
MATERIAL

STEM DIAMETER AND YOKE BOSS DIAMETER, mm (INCH)
9.5 (3/8)
54 (2-1/8)

12.7 (1/2)
71 (2-13/16)

19.1 (3/4)
90 (3-9/16)

25.4 (1)
127 (5)

Double PTFE

RPACKXRT012

RPACKXRT022

RPACKXRT032

RPACKXRT042

Graphite ULF

RPACKXRT262

RPACKXRT272

RPACKXRT282

RPACKXRT292

Duplex

RPACKXRT212

RPACKXRT222

RPACKXRT232

RPACKXRT242

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

ENVIRO-SEAL Packing Repair Kits
Repair kits include parts to replace the “soft” packing materials in valves that already have ENVIRO-SEAL packing
arrangements installed or in valves that have been upgraded with ENVIRO-SEAL retrofit kits. Refer to figure 6 for key
numbers for PTFE and Graphite ULF packing.
Stems and packing box constructions that do not meet Fisher stem finish specifications, dimensional tolerances, and
design specifications, may adversely alter the performance of this packing kit.
ENVIRO-SEAL Packing Repair Kits
Stem Diameter, mm (Inches)
Yoke Boss Diameter, mm (Inches)

9.5 (3/8)
54 (2-1/8)

12.7 (1/2)
71 (2-13/16)

19.1 (3/4)
90 (3-9/16)

25.4 (1)
127 (5)

Double PTFE (Contains keys 214, 215, & 218)

RPACKX00192

RPACKX00202

RPACKX00212

RPACKX00222

Graphite ULF (Contains keys 207, 208, 209, 210, and 214)

RPACKX00592

RPACKX00602

RPACKX00612

RPACKX00622

Duplex (Contains keys 207, 209, 214, and 215)

RPACKX00292

RPACKX00302

RPACKX00312

RPACKX00322

Figure 6. ENVIRO-SEAL Packing System

APPLY LUBRICANT

APPLY LUBRICANT
A6362/G1

PTFE PACKING ARRANGEMENT

39B4612/A

GRAPHITE ULF PACKING ARRANGEMENT

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Figure 7. Extension Bonnet Assembly

44B8565-A

NOTE:
KEY 6 CONTAINS SEVERAL PARTS; REFER TO FIGURES 2, 3, AND 4 FOR PACKING ARRANGEMENTS.
1

Keys 6* and 7* Packing Box Parts

PTFE
V-Ring
Packing
Graphite
Ribbon/F
ilament
Packing

STEM DIAMETER, mm (INCHES)

KEY
NO.

9.5 (3/8)

12.7 (1/2)

19.1 (3/4)

25.4 (1)

Packing Set, PTFE (1 req'd for single, 2 req'd for
double)(1)

1R290001012

1R290201012

1R290401012

1R290601012

Graphite Ribbon Ring (2 req'd)

1V3160X0022

1V3802X0022

1V2396X0022

1U6768X0022

Graphite Filament Ring

1F3370X0322

1E3190X0222

1E3191X0282

1D7518X0132

---

DESCRIPTION

Quantity Required

1. Key 6 for double construction contains one extra packing ring for the 9.5 mm (3/8 inch) stem, and one extra lower wiper for all sizes. Discard upon assembly.

*Recommended spare parts

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Parts List
Note
Part numbers are shown for recommended spares only. For part
numbers not shown, contact your Emerson Process Management sales
office.

Bonnet Parts (figure 7)
Key

Description

Bonnet
If you need a bonnet as a replacement part, order by
valve size and stem diameter, serial number, and
desired material.
Bushing
Packing Flange
Packing Flange Stud
Packing Flange Nut
Single V-Ring Packing Set
See following table
Individual Packing Ring
See following table
Packing Box Ring or Lantern Ring
Special Washer
Packing Box Ring
Upper Wiper, felt
9.5 mm (3/8 inch) stem
1J872606332
12.7 mm (1/2 inch) stem
1J872706332
19.1 mm (3/4 inch) stem
1J872806332
25.4 mm (1-inch) stem
1J872906332
Packing Follower
Pipe Plug
Yoke Locknut
Cap Screw
Hex Nut
Retaining Ring

2
3
4
5
6*
7*
8
10
11
12*

13
14
15
25
26
35

Part Number

Key

Description

Seat Ring Retainer, CF8M (316 SST)
(Part numbers for Seat Ring Retainer/Bushing Assemblies are
provided in a following table)
NPS 1
25A6683X022
NPS 1-1/2
25A6685X022
NPS 2
25A6687X022
NPS 3
25A6689X022
NPS 4
35A6691X022
Stem
See following table
Pin
See following table
Seat Ring
See following table
Bonnet Gasket, S31600/graphite
NPS 1
1R2859X0042
NPS 1-1/2
1R3101X0032
NPS 2
1R3299X0042
NPS 3
1R3484X0042
NPS 4
1R3724X0042
Gasket, N06600/graphite
NPS 1
1R286099442
NPS 1-1/2
1R309999442
NPS 2
1R329799442
NPS 3
1R348299442
NPS 4
1R372299442
Seat Ring Gasket, S31600/graphite
NPS 1
1R2862X0062
NPS 1-1/2
1R3098X0052
NPS 2
1R3296X0042
NPS 3
1R3481X0052
NPS 4
1J5047X0062
Stud Bolt
Hex Nut
Flow Arrow
Drive Screw
Shim, S31600
NPS 1
16A1936X012
NPS 1-1/2
16A1937X012
NPS 2
16A1938X012
NPS 3
16A1940X012
NPS 4
16A1941X012
Bushing, R30006 (alloy 6)
(Part number for Seat Ring Retainer/Bushing Assemblies are
provided in a following table)
NPS 1
15A6508X022
NPS 1-1/2
15A7511X022
NPS 2, restricted port
15A6509X022
NPS 2, full port
15A6510X022
NPS 3
15A7491X022
NPS 4, restricted port
15A5712X022
NPS 4, full port
15A6511X022
Nameplate
Warning Plate
Wire
Lubricant, anti-seize
--(not included with valve)

7*
8*
9*
10*

12*

13*

15
16
18
19
25*

EZ-C Valve Body Parts (figure 8)
26*
Note
Part numbers are shown for recommended spares only. For part
numbers not shown, contact your Emerson Process Management sales
office.

Key

Description

Valve Body
If you need a valve body as a replacement
part, order by valve size, serial number,
and desired material.
Valve Plug

Part Number
33
--34
55
See following table

*Recommended spare parts

Part Number

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Figure 8. Fisher EZ-C Valve Assembly

16A1943-A

GASKET DETAIL

APPLY LUBRICANT
NOTE:
EZ-C KEY NUMBERS NOT SHOWN ARE: 18, 19, 33, AND 34.
44B8573-B

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Key 2* Fisher EZ-C Equal Percentage (Including Micro-Form), Linear, and Quick-Opening Valve Plugs
PORT DIAMETER
VALVE SIZE, NPS

VALVE PLUG STYLE
mm

Micro-Form

1, 1-1/2 and 2

Inch

0.75

16A3337X012

16A3339X012

9.5

0.375

16A5714X012

16A5712X012

12.7

0.5

15A6661X012

15A6662X012

19.1

0.75

16A3338X012

16A3340X012

1.5

50.8

Equal Percentage
Quick Opening
76.2

Equal Percentage
Quick Opening
4

Linear

15A6660X012

19.1

Quick Opening

Linear

16A5711X012

15A6659X012

0.5

Equal Percentage

16A5713X012

12.7

38.1

Linear

3/8

S31600 w/CoCr-A
Seat and Guide
15A6664X012

0.25

Quick Opening

2, 3, 4

9.5

S31600 w/CoCr-A (alloy 6)
Seat
15A6663X012

0.375

25.4

Linear

Inch

9.5

Equal Percentage

1-1/2

VALVE PLUG MATERIAL

6.4

Quick Opening
Linear

VALVE STEM
CONNECTION

101.6

Equal Percentage

12.7

1/2

9.5

3/8

15A6516X012

15A6517X012

12.7

1/2

15A6518X012

15A6519X012

9.5

3/8

15A6614X012

15A6615X012

12.7

1/2

15A6616X012

15A6617X012

9.5

3/8

15A6634X012

15A6635X012

12.7

1/2

15A6636X012

15A6637X012

9.5

3/8

15A6520X012

15A6521X012

12.7

1/2

15A6522X012

15A6523X012

9.5

3/8

15A6618X012

15A6619X012

12.7

1/2

15A6620X012

15A6621X012

9.5

3/8

15A6638X012

15A6639X012

12.7

1/2

15A6640X012

15A6641X012

12.7

1/2

15A6524X012

15A6525X012

19.1

3/4

15A6526X012

15A6527X012

12.7

1/2

15A6622X012

15A6623X012

19.1

3/4

15A6624X012

15A6625X012

12.7

1/2

15A6642X012

15A6643X012

19.1

3/4

15A6644X012

15A6645X012

12.7

1/2

15A6528X012

15A6529X012

19.1

3/4

15A6530X012

15A6531X012

12.7

1/2

15A6626X012

15A6627X012

19.1

3/4

15A6628X012

15A6629X012

12.7

1/2

15A6646X012

15A6647X012

19.1

3/4

15A6648X012

15A6649X012

12.7

1/2

15A6532X012

15A6533X012

19.1

3/4

15A6534X012

15A6535X012

12.7

1/2

15A6630X012

15A6631X012

19.1

3/4

15A6632X012

15A6633X012

12.7

1/2

15A6650X012

15A6651X012

19.1

3/4

15A6652X012

15A6653X012

Key 3*, 26* Fisher EZ-C Seat Ring Retainer and Bushing Assembly
VALVE SIZE, NPS

PART NUMBER

25A6683X072

1-1/2
2

25A6685X082
Full Port

25A6687X112

Restricted Port

25A6687X132

3
4

25A6689X132
Full Port
Restricted Port

35A6691X082
---

*Recommended spare parts

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Key 7* Fisher EZ-C Valve Stem, S20910 (Use W/Group 1 Actuators)
VALVE SIZE, NPS

STEM DIAMETER
9.5 mm (3/8 Inch)

12.7 mm (1/2 Inch)

12.7 x 9.5 mm (1/2 x 3/8 Inch)

1 and 1-1/2

10A8823XM72

10A8840XBC2

11A2318X622

19.1 mm (3/4 Inch)
---

---

10A8840XBD2

11A2318X632

10B9265XBC2

---

10A8840XBE2

---

10A9265XBD2

---

1U2307X0012

---

10A9265XBE2

Key 8* Fisher EZ-C Pin, S31600
VALVE SIZE, NPS

VALVE PLUG STYLE

1 and 1-1/2

VALVE STEM CONNECTION

PART NUMBER

Inch

Micro-Form, Linear, Equal Percentage and Quick
Opening

9.5
12.7

3/8
1/2

1B599335072
1D5423X00B2

Linear, Equal Percentage and Quick Opening (full
capacity)
Micro-Form, Linear, Equal Percentage and Quick
Opening (restricted capacity)

12.7
19.1
9.5
12.7

1/2
3/4
3/8
1/2

1B599835072
1B813635072
1B599335072
1D5423X00B2

All

12.7
19.1

1/2
3/4

1B599835072
1B813635072

Full Capacity

12.7
19.1

1/2
3/4

1B599835072
1B813635072

Restricted Capacity

12.7
19.1

1/2
3/4

1B599335072
1F723635072

Key 9* Fisher EZ-C Valve Seat Ring, S31600
VALVE
SIZE,
NPS
1
1-1/2
2

PORT DIAMETER
6.4 mm
(0.25 Inch)

9.5 mm
(0.375 Inch)

12.7 mm
(0.5 Inch)

19.1 mm
(0.75 Inch)

25.1 mm
(1 Inch)

24B7585X012 24B8298X012 24B8299X012 24B8300X012 24B8301X012

38.1 mm
(1.5 Inch)

50.8 mm
(2 Inch)

76.2 mm
(3 Inch)

101.6 mm
(4 Inch)

---

24B8560X012

---

24B6344X012 24B7586X012 24B7213X012 24B7214X012 24B7215X012 24B7216X012
24B8555X012 24B8556X012 24B8557X012 24B8558X012 24B8559X012

---

24B8561X012 24B8562X012

---

24B8510X012

*Recommended spare parts

---

--24B8563X012

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

ET-C and EWT-C Valve Body Parts (figure 9)

Note
Part numbers are shown for recommended spares only. For part
numbers not shown, contact your Emerson Process Management sales
office.

Key

Description

Valve Body
If you need a valve body as a replacement part, order by
valve size, serial number, and desired material.
Valve Plug
See following table
Cage, CF8M (316 SST)/Chrome coat
Equal Percentage
NPS 3
39B0341X012
NPS 4, 6X4, 8X4
39B0343X012
NPS 6, 8X6, 12X6
39B0345X012
NPS 8, 10X8
39B0347X012
Linear
NPS 3
39B0342X012
NPS 4, 6X4, 8X4
39B0344X012
NPS 6, 8X6, 12X6
39B0346X012
NPS 8, 10X8
39B0348X012
Stem
See following table
Pin, S31600
9.5 mm (3/8 inch) stem
1V322635072
12.7 mm (1/2 inch) stem
1V322735072
19.1 mm (3/4 inch) stem
1V326035072
25.4 mm (1-inch), & 38.1 mm (1-1/4 inch) stem 1V334035072
Seat Ring, w/metal seat, 316 SST
ET-C
NPS 3
23B6127X032
NPS 4
23B6128X052
NPS 6
29A9703X072
NPS 8
29A9704X042
EWT-C
NPS 6X4
23B6129X042
NPS 8X4
23B6130X022
NPS 8X6
20B0811X042
NPS 12X6
33B6131X022
NPS 10X8
29A9704X042
Bonnet Gasket, S31600/graphite
NPS 3
1R3484X0042
NPS 4, 6X4, 8X4
1R3724X0042
NPS 6, 8X6, 12X6
1U5081X0052
NPS 8, 10X8
10A3265X112

2*
3*

7*
8*

10*

Part Number

Key

Description

12*

Spiral Gasket, N06600/graphite
NPS 3
NPS 4, 6X4, 8X4
NPS 6, 8X6, 12X6
Seat Ring Gasket
NPS 3, S31600/graphite
NPS 4, 6X4, 8X4, S31600/graphite
NPS 6, S31600/graphite
NPS 8X6, 12X6, N06600/graphite
NPS 8, 10X8, S31600/graphite
Stud Bolt
Hex Nut
Flow Arrow
Drive Screw
Disk Retainer, w/Composition Seat, 316 SST
NPS 3
NPS 4, 6X4, 8X4
NPS 6
NPS 8, 10X8
Disk Seat, w/Composition Seat, 316 SST
ET-C
NPS 3
NPS 4
NPS 6
NPS 8
EWT-C
NPS 6X4
NPS 8X4
NPS 8X6
NPS 12X6
NPS 10X8
Disk, PCTFE
NPS 3
NPS 4, 6X4, 8X4
NPS 6, 8X6, 12X6
NPS 8, 10X8
Load Ring
Retaining Ring
Seal Ring, R30003/UHMWPE
NPS 3
NPS 4, 6X4, 8X4
NPS 6, 8X6, 12X6
NPS 8, 10X8
Back-Up Ring
Shim, S31600
NPS 3
NPS 4, 6x4, 8x4
NPS 6, 8X6, 12X6
Nameplate
Lubricant, anti-seize
(not included with valve)

13*

15
16
18
19
21*

22*

23*

26
27
28*

29
51*

53
55

*Recommended spare parts

Part Number
1R348299442
1R372299442
1U508599442
1R3481X0052
1J5047X0062
1U5086X0032
1V644199442
10A3266X082

1V711235072
1V711533092
1V711833092
10A4466X012

1V711435072
1V711733092
1V712033092
20A4467X012
1V712533092
1V712633092
2V721733092
2V712733092
20A4467X012
18A8539X012
18A0732X012
18A0733X012
20A4468X042

14B8251X012
14B8252X012
14B8254X012
14B8255X012

16A1940X012
16A1941X012
16A1942X012

---

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Figure 9. Fisher ET-C and EWT-C Valve Assembly

54B8568-C

WHISPER TRIM

STD TRIM
CAVITROL TRIM

FLOW DIRECTION
54B8568-C

FLOW UP

FLOW DOWN

VIEW A

16A1943-A

ALL CONSTRUCTIONS EXCEPT
NPS 8 AND 10X8

54B8579-B

METAL SEAT

FOR NPS 8 AND 10X8
CONSTRUCTIONS

VIEW B

54B8568-C

COMPOSITION SEAT

Instruction Manual

EZ-C, ET-C, and EWT-C Valves

D102175X012

October 2014

Key 2* Fisher ET-C and EWT-C Valve Plug
SEAT STYLE
VALVE SIZE,
NPS

Metal

PORT DIAMETER

Composition

S31600 w/CoCr-A Seat

S31600 Seat

Inches

12.7 mm (1/2 Inch)
Stem

3.4375

87.3

34B8275X012

34B8190X012

34B8288X012

4, 6X4, 8X4

4.375

111

34B8276X012

34B7639X012

34B8290X012

34B8291X012

25.4 mm (1-Inch)
Stem
34B8279X012

19.1 mm (3/4 Inch)
Stem
34B8292X012

25.4 mm (1-Inch)
Stem
34B8293X012

34B8281X012

34B8294X012

34B8296X012

6, 8X6, 12X6

178

19.1 mm (3/4 Inch)
Stem
34B8278X012

8, 10X8

203

34B8280X012

19.1 mm (3/4 Inch)
Stem

12.7 mm (1/2 Inch)
Stem

19.1 mm (3/4 Inch)
Stem
34B8289X012

Key 7* Fisher ET-C and EWT-C Valve Stem, S20910
VALVE SIZE, NPS

STEM DIAMETER

ACTUATOR GROUP

S20910
(XM-19)

1/2
3/4

1
1

10A8840XBD2
10A9265XBF2

12.7
19.1

1/2
3/4

1
1

10A8840XAD2
10A9265XBG2

19.1
25.4
25.4
19.1
25.4

3/4
1
1
3/4
1

1
100
101
1
100, 101

10A9265XBH2
11A3429XR72
11A3429XR62
10A9265XBJ2
11A3429XR82

Inches

12.7
19.1

4, 6X4, 8X4
6, 8X6,
12X6
8, 10X8

*Recommended spare parts

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.
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.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not
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.
Emerson Process Management
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
Dubai, United Arab Emirates
Singapore 128461 Singapore

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Emerson Fisher Easy E Ewt C Instruction Manual

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