Emerson Fisher A11 User manual

www.Fisher.com
Fisher™A11 High-Performance Butterfly Valve
CL900-2500
Contents
Introduction 1.................................
Scope of Manual 1.............................
Description 2.................................
Specifications 2...............................
Installation 4..................................
Adjusting the Travel Stops 5....................
Preparing for Installation 5......................
Valve Orientation 6............................
Installing the Valve 7...........................
Packing Adjustment and Shaft Bonding 9.........
Maintenance 10................................
Removing the Valve 11.........................
Packing Maintenance 11........................
Seal Maintenance 14...........................
Soft Seal Installation 15.....................
Metal and Phoenix III Seal Installation 16.......
Cryogenic Seal Installation 17................
Valve Shaft/Disk Pin Unit Maintenance 18.........
Bearing Maintenance 19........................
Parts Ordering 20...............................
Parts List 20...................................
Figure 1. Fisher A11 Valve
W9570−1
Introduction
Scope of Manual
This instruction manual includes installation, maintenance, and parts information for the Fisher A11 High-Performance
Butterfly Valves (figure 1) in CL900 and 1500. For CL2500 valves, contact your Emerson sales office or Local Business
Partner.
For information about the actuator and accessories, please refer to the separate instruction manuals for these items.
Do not install, operate, or maintain an A11 valve 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 of the contents of this manual, including all safety cautions and warnings. If
you have any questions about these instructions, contact your Emerson sales office or Local Business Partner before
proceeding.
Instruction Manual
D104223X012
A11 Valve
August 2017

Instruction Manual
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A11 Valve
August 2017
2
Description
A11 High-Performance Butterfly Valves are available in a lugged body design, with a variety of seal, valve body, and
internal components. These valves feature a dynamic sealing design that is used in a variety of demanding
applications.
Specifications
Specifications are listed in table 1 and the specifications for a given valve are stamped on a nameplate attached to the
valve.
Educational Services
For information on available courses for the A11 High Pressure valve, as well as a variety of other products, contact:
Emerson Automation Solutions
Educational Services - Registration
Phone: [phone] or 1-800-338-8158
E-mail: [email protected]
emerson.com/fishervalvetraining

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Table 1. Specifications
Available Configurations
Valve Sizes
Class 900 and 1500(1) (2): Size J3, J4, J6, J8,
J10, J12, J14, J16, J18, J20 and J24‐inch
Valve Body: Lugged style in Class J900 and J1500
Consult your Emerson sales office or Local Business
Partner for other sizes and pressure classes
Maximum Inlet Pressure
Consistent with applicable ASME class
pressure/temperature ratings per ASME B16.34
unless such ratings are limited by material
temperature capabilities.
Construction Materials
Refer to Bulletin 56.1:A11 CL900-2500
High-Performance Butterfly Valve (D104222X012)
Disk Rotation
Clockwise (CW) to close
Shutoff Classification per ANSI/FCI 70-2 and IEC
60534-4
Class VI Soft Seal: Bubble-tight shutoff (exceeds Class
VI)
High Pressure Seal: Standard Class V
Cryogenic Seal (Reverse direction only)
CTFE: 10% of Class IV
CTFE with Aluminum Backup Ring: Class VI
Consult Emerson sales office for other shutoff
classifications
Valve Body Classification
Valve bodies are designed for installation between
standard pipe flanges: for 3 inch through 24‐inch
sizes (ASME B16.5)
Approximate Weights
See table 2
Actuator Types Available
JLocking‐lever manual actuators, Jworm‐gear
manual actuators, Jspring‐return pneumatic
actuators, Jdouble‐acting pneumatic actuators, and
Jelectric actuators
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 figure 9). See Bulletin 59.3:041 ENVIRO‐SEAL
Packing Systems for Rotary Valves (D101638X012)
for more information. Contact your Emerson sales
office or Local Business Partner for larger sizes; they
may require a special valve body.
NOTE:
1. Sizes NPS 3 and 4 are CL900 bodies with CL600 internals.
2. Sizes NPS 3 and 4 are CL1500 bodies with CL600 internals. Sizes NPS 6 and 8 are CL1500 bodies with CL900 internals.

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Table 2. Approximate Weight for Size 3 through
24‐Inch Valves
VALVE
SIZE
CLASS
900 1500
kg
3
4
6
8
10
12
14
16
18
20
24
---
---
59
120
210
450
444
513
703
991
1626
---
---
---
---
311
663
810
1152
1613
2250
---
lbs
3
4
6
8
10
12
14
16
18
20
24
---
---
130
264
463
993
976
1132
1550
2185
3590
---
---
---
---
685
1462
1785
2540
3555
4960
---
Installation
WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal
injury.
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.
Note
When installing a valve after it has been in long‐term storage, cycle the valve at least ten times to re‐energize the dynamic seal.
Please contact your Emerson sales office or Local Business Partner if you have any questions about preparing a valve for storage or
if you are planning to put into service a valve that has been stored for some time.

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Adjusting the Travel Stops
CAUTION
When using manual or power actuators, adjust the actuator travel stops so the disk stop in the valve body does not absorb
the output of the actuator.
For actuators without travel stops, the actuator must be properly mounted to prevent it from driving the valve disk against
the valve disk travel stop.
Failure to limit actuator travel as described in this section can result in damage to the valve shafts or other valve parts
Note
An ”S” is visible on both the valve shaft and valve body. When the valve disk is closed, the ”S” on the shaft aligns with the ”S” on
the valve body.
1. Locate the actuator travel stop that establishes the closed position of the valve disk. When adjusting the travel stop
make sure that the disk is from 0 to 0.76 mm (0 to 0.030 inch ) away from the internal stop in the valve body. This
adjustment is necessary to be certain that the actuator output torque is fully absorbed by the actuator travel stop
rather than the stop in the valve body.
For actuators without travel stops, the actuator must be properly mounted to prevent it from driving the valve disk
against the valve disk travel stop.
2. To mount an actuator without travel stops, first, if necessary, remove the actuator from the valve. Then, position
the valve disk from 0 to 0.76 mm (0 to 0.030 inch) away from the internal stop in the valve body.
3. Now, travel the actuator to the maximum position. Keep the actuator in the maximum travel position. Return the
actuator to the valve, taking care not to disturb the position of the valve disk.
4. Mount the actuator on the valve using proper bolts with locking washers to achieve a secure fit.
5. Before installing the valve/actuator assembly in the process line, cycle the valve several times to be sure the valve
disk returns to the proper position.
Preparing for Installation
WARNING
If the A11 valve is equipped with a fail‐open actuator, remove the actuator before installing the valve/actuator assembly or
cycle the valve into the fully closed position. Then, to avoid possible personal injury or property damage, take appropriate
steps to ensure that the actuator does not cause the valve to open during installation.
1. If the valve and actuator have been purchased separately or if the actuator has been removed for storage, travel
stop adjustment, or maintenance, mount the actuator before inserting the valve/actuator assembly into the line.
Refer to the actuator instruction manual for mounting and adjustment procedures.
CAUTION
To avoid product damage, inspect the valve before installation for any damage or any foreign material that may have
collected in the valve body. Also remove any pipe scale, welding slag, or other foreign material from the pipeline.

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2. Remove the protective end covers from the valve and inspect the valve body to be certain that it is free of foreign
material. Also, be certain that adjacent pipelines are free of any foreign material, such as pipe scale or welding slag
that could damage the valve seating surfaces.
WARNING
The A11 valve is designed for use with the appropriate piping schedule for the ASME class. However, before putting the
valve into operation, measure carefully to ensure disk rotation without interference from piping or flanges. Be certain to
center the valve accurately to prevent interference of the disk with the flanges.
The edges of a rotating disk have a shearing effect that may result in personal injury. To help prevent such injuries, stay
clear of the disk edges when rotating the disk.
Damage to the disk will occur if any pipe flanges or piping connected to the valve interfere with the disk rotation path.
Compare the disk chordal swing diameter from the dimensional tables in Bulletin 51.6:A11 CL900-2500 A11 High
Performance Butterfly Valve (D104222X012) to the ID of the pipe to be certain the disk rotates without interference before
putting the valve into operation. Consult with your Emerson sales office or Local Business Partner for any constructions not
listed in the bulletin.
3. Select the appropriate gaskets for the application. flexible graphite, spiral wound, or other gasket types, made to
ASME B16.5 group or user's standard, can be used on A11 valves depending on the service conditions of the
application. Note: spiral wound gaskets, when properly centered, will cover more than 60 percent of the gasket
area at the retaining ring screws.
For metal‐seated and cryogenic valve gasket recommendations, please contact your Emerson sales office.
4. Refer to the appropriate table for the quantity and size of flange bolts required (table 3) and proceed with the
following instructions.
Valve Orientation
A11 valve bodies are designed for installation with the shaft in any orientation around the pipeline: horizontal, vertical,
or at an angle. However, when installing an A11 valve, please follow these recommendations.
Table 3. Cap Screw Data for Lugged Valves
CL900/600
Valve Size, NPS 4
Number of Cap Screws 16
Size‐Diameter Inch - Thread 1‐1/8 - 8
B‐Length of Cap Screw, Inch 3.38
CL900
Valve Size, NPS 6 8 10 12 14 16 18 20 24
Number of Cap Screws 24 24 32 40 40 40 40 40 40
Size‐Diameter Inch - Thread 1‐1/8- 8 1‐3/8 - 8 1‐3/8 - 8 1‐3/8 - 8 1‐1/2 - 8 1‐5/8 - 8 1‐7/8 - 8 2 - 8 2‐1/2 - 8
B‐Length of Cap Screw, Inch 3.63 4.25 4.63 5 5.32 5.75 6.38 6.75 8.5
CL1500/600
Valve Size, NPS 4
Number of Cap Screws 16
Size‐Diameter Inch - Thread 1‐1/4 - 8
B‐Length of Cap Screw, Inch 3.88
CL1500/900
Valve Size, NPS 4 8
Number of Cap Screws 24 24
Size‐Diameter Inch - Thread 1‐3/8 - 8 1‐5/8 - 8
B‐Length of Cap Screw, Inch 5.13 6

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CL1500
Valve Size, NPS 10 12 14 16 18 20
Number of Cap Screws 24 32 32 32 32 32
Size‐Diameter Inch - Thread 1‐7/8 - 8 2 - 8 2‐1/4 - 8 2‐1/2 - 8 2‐3/4 - 8 3 - 8
B‐Length of Cap Screw, Inch 6.63 7.38 8 8.75 9.63 10.5
Figure 2. View of Stud Bolts
E0179 / IL AA
D In certain services (process fluids with high concentrations of entrained solids, abrasive slurries, or polymerizing
media), valve performance will be enhanced by installing the valve with the shaft horizontal to the pipeline.
D Valves supplied for unidirectional shutoff should be installed with the high pressure at the back (shaft side) of the
disk. A flow tag with an arrow is provided for proper installation.
The High Performance Butterfly Valve is designed to allow flow in either direction when in the open position. When in
the closed position, high pressure should be applied to a specific side of the disk to provide best performance and
optimal service life.
D Valves supplied for bidirectional shutoff, such as soft seal constuctions, under normal operating conditions can (at
different times) experience pressure in both directions; the highest of the two pressures should be exerted on the
preferred side of the disk. If the two pressures are equal, then the one lasting the longest period of time should be
applied to the preferred side. A flow tag with an arrow is provided for proper installation.
If you have questions about proper valve orientation in a specific application, contact your Emerson sales office or
Local Business Partner.
Installing the Valve
WARNING
Always wear protective gloves, clothing, and eyewear when performing any installation operations to avoid personal
injury.
To avoid personal injury or property damage resulting from the sudden release of pressure, do not install the valve
assembly where service conditions could exceed the limits given in this manual, the limits on the appropriate nameplates,
or the matching pipe flange rating. Use pressure‐relieving devices 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.

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CAUTION
When ordered, the valve configuration and construction materials were selected to meet particular pressure, temperature,
pressure drop, and controlled fluid conditions. Responsibility for the safety of process media and compatibility of valve
materials with process media rests solely with the purchaser and end‐user.
Because 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 sales office or Local Business Partner.
Figure 3. Proper Installation Procedure
B2263/IL
VALVE IN CLOSED POSITION
DURING INSTALLATION (OR
REMOVAL) TO PREVENT
DAMANGE TO DISK SEALING
AREA. SHAFT HORIZONTAL:
FLANGE GASKETS:
BE SURE THESE ARE CENTERED
ALONG WITH THE VALVE
PIPE FLANGES:
OPENED ENOUGH TO ALLOW
THE VALVE AND GASKETS TO
SLIP INTO PLACE
BOTTOM FLANGE BOLTS:
FORMING A CRADLE FOR
VAVLE DURING INSTALLATION
FLANGE BOLTS TIGHTENED
EVENLY TO PREVENT GASKET
LEAKAGE
For Lugged Valves:
1. Position the valve between the flanges. Be sure to leave enough room for the flange gaskets; then install the lower
flange bolts.
2. Install the gaskets and align the valve and the gaskets.
3. Install the remaining bolts.
4. Tighten the flange bolts in an alternating criss‐cross fashion to a torque value of one‐fourth of the final bolting
torque. Repeat this procedure several times increasing the torque value each time by a fourth of the final desired
torque. When the final torque value has been applied, tighten each flange bolt again to allow for gasket
compression.

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Packing Adjustment and Shaft Bonding
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. Check with your process or safety engineer for any
additional measures that must be taken to protect against process media.
1. For PTFE or graphite packing: Tighten standard packing follower nuts only enough to prevent shaft leakage.
Excessive tightening of packing will accelerate wear and could produce higher rotating friction loads on the valve
shaft. If necessary, refer to the Packing Maintenance section.
2. For ENVIRO‐SEAL Packing Systems: These packing systems will not require this initial re‐adjustment. Refer to the
separate ENVIRO‐SEAL Packing System for Rotary Valves Instruction Manual (D101643X012).
3. For hazardous atmosphere or oxygen service valves, read the following Warning, and provide the bonding strap
assembly mentioned below if the valve is used in an explosive atmosphere.
WARNING
The valve drive shaft is not necessarily grounded to the pipeline when installed. Personal injury or property damage could
result, if the process fluid or the atmosphere around the valve is flammable, from an explosion caused by a disk's charge of
static electricity from the valve components. If the valve is installed in a hazardous area, electrically bond the drive shaft to
the valve body.
Note
The packing is composed of all conductive packing rings (graphite ribbon packing) or partially conductive packing rings
(carbon‐filled PTFE female adaptor with PTFE V‐ring packing or graphite‐composition packing ring with PTFE/composition
packing) to electrically bond the shaft to the valve for hazardous area service. For oxygen service applications, and hazardous area
service where the standard packing doesn't provide sufficient shaft‐to‐valve body bonding, provide alternate shaft‐to‐valve body
bonding according to the following step.
4. Attach the bonding strap assembly (key 131, figure 4) to the shaft with the clamp (key 130, figure 4).
5. Connect the other end of the bonding strap assembly to the valve flange cap screws.
6. For more information, refer to the Packing Maintenance section below.

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Figure 4. Optional Shaft‐to‐Body Bonding Strap Assembly
VALVE
BODY
ACTUATOR
A
A
VIEW A‐A
37A6528‐A
A3143‐2
Maintenance
Valve parts are subject to normal wear and must be inspected and replaced as necessary. The frequency of inspection
and replacement depends upon the severity of service conditions.
WARNING
Avoid personal injury from sudden release of process pressure. Before performing any maintenance operations:
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
on both sides of the valve. Drain the process media from both sides of the valve.
D Vent the power actuator loading pressure.
D Use lockout procedures to be sure the above measures stay in effect while you work on the equipment.
D Always wear protective gloves, clothing and eyewear when performing any maintenance operations to avoid personal
injury.
D The valve packing area 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.
D Check with your process or safety engineer for any additional measures that must be taken to protect against process
media.
CAUTION
When using an actuator, the actuator travel stop (or actuator, for actuators without adjustable stops) must be adjusted so
the disk stop in the valve does not absorb the output of the actuator. Failure to limit the actuator travel can result in
damage to the valve, shaft(s), or other valve components.

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Removing the Valve
WARNING
Using the procedures listed in the above WARNING, loosen the flange bolting that holds the valve. Make sure the valve
cannot slip or twist while the bolting is being loosened and removed.
For field repair, remove the valve from the pipeline.
CAUTION
Damage to the disk can occur if the disk is not closed when the valve is being removed from the pipeline. If necessary,
stroke the actuator to place the disk in the closed position while removing the valve from the pipeline.
7. Before removing the valve from the pipeline, make sure the valve disk is closed. See figure 3. Rotate the shaft
clockwise until the disk makes contact with the internal stop or actuator travel stop (if still installed). The “S”
stamped on the shaft should be aligned with the “S” on the valve body.
8. After removing the valve from the pipeline, move it to an appropriate work area. Remove the actuator from the
valve.
Packing Maintenance
The A11 valve is designed so the shaft packing can be replaced without removing the valve from the process pipeline.
CAUTION
The packing flange should be tightened only enough to prevent shaft leakage. Excessive tightening will only accelerate
wear of the packing and could produce higher torques on the valve.
In most cases, packing leakage can be eliminated by merely tightening the hex nuts located above the packing flange
while the valve is in the pipeline. However, if leakage continues, the packing must be replaced.
1. Before loosening any parts on the valve, be sure the pipeline has been depressurized. Then, remove packing nuts
(key 16), lift off the packing flange (key 12) and packing follower (key 13). The packing (key 14) is now accessible.
2. Use a packing extractor to remove packing. Insert the corkscrew‐like end of the tool into the first piece of packing
and firmly remove. Repeat this process until all has been removed.
CAUTION
Be careful when cleaning the packing bore. Scratches to the valve shaft (key 4) or inside diameter of packing bore may
cause leakage.
3. Before installing new packing, clean the packing bore.
4. Install new packing one ring at a time, using the packing follower as a driver. If split packing is used, stagger seams
every 90_.
5. Reinstall the packing follower and packing flange, secure nuts, and tighten as needed.

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Figure 5. Standard Packing Configurations
STANDARD PACKING
PTFE V‐RING GRAPHITE RIBBON
GE71524-A GE71528-A
ENVIRO‐SEAL PACKING
SINGLE PTFE PACKING GRAPHITE PACKING
GE40113‐A GE40118‐A
Note:
With conductive packing, the female adaptor in PTFE v-ring packing is carbon -filled PTFE.
1

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THE FOLLOWING PACKING CONFIGURATIONS
ARE AVAILABLE FOR SPECIFIC APPLICATIONS:
A5249/IL
TO BE USED IN VACUUM SERVICE
BELOW 20 MICRONS
Figure 6. 7-Ring, Reverse, Leak-off, and Lubricated Packing Configurations
STANDARD REVERSE 'V'
TYPE PACKING
STANDARD SQUARE
TYPE JAM PACKING
STANDARD 'V'
TYPE PACKING STANDARD SQUARE
TYPE JAM PACKING
WITH LATERN RING/
BLEED OFF CONNECTION
STANDARD SQUARE
TYPE JAM PACKING
WITH LATERN RING/
BEARING LUBRICATION
CONNECTION
CODE 1: PTFE STANDARD ON SOFT SEATED
AND CRYOGENIC VALVES
CODE 2: GRAPHITE STANDARD ON METAL
SEATED AND FIRE SAFE VALVES
CODE 3: PTFE STANDARD ON SOFT
SEATED VALVES
CODE 4: PTFE
CODE 5: GRAPHITE
CODE 6: PTFE
CODE 7: GRAPHITE
CODE 8: PTFE
TO BE USED WHEN BEARING
GREASE CONNECTIONS ARE
REQUIRED

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Seal Maintenance
1. After the valve has been removed from the line and the manual or power actuator has been removed, manually
rotate the shaft (key 4) counter‐clockwise until the disk has moved a
full 180_. Note the “S” on the shaft is 180_from the “S” on the valve body.
Figure 7. Seal Configurations
HIGH PRESSURE
AT SHUTOFF
E1701
BACK-UP
RING
SEAL RING
RETAINING
RING
RETAINING
RING
LARGEST
OUTSIDE
DIAMETER
LARGEST
OUTSIDE
DIAMETER
GRAPHITE
GASKET
CRYOGENIC
SEAL RING
BODY
BODY
VALVE DISK
VALVE DISK
SOFT SEAL WITH
BACK-UP O-RING
CRYOGENIC SEAL
1
HIGH PRESSURE
AT SHUTOFF
HPS
SEAL RING
GRAPHITE
GASKET
RETAINING
RING
HIGH-PRESSURE SEAL (HPS)
HIGH PRESSURE
AT SHUTOFF 1
VALVE DISK
BODY
Notes:
This unidirectional seal must be installed so the ring is downstream from the high pressure side of the valve at shutoff, as shown.
1
2. Lay the valve flat on a work bench in a secure position with the retaining ring (key 2) and retaining ring screws (key
22) facing up. Use blocks or other appropriate techniques to support the valve. Remove all retaining ring screws.
3. Remove the retaining ring by placing a retaining ring screw in each of the two retaining ring jack screw holes. With
the appropriate tool, slowly rotate the screws until the retaining ring has been lifted from the valve body.

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CAUTION
In the following step, use the appropriate tool to avoid damage to the seal or T‐slot area of the valve.
4. Different valve types have different seal designs and components. To see the appropriate seal, refer to figure 7.
Insert the appropriate tool under the top edge of seal and gently pry the seal out. Take care not to damage the seal
or T‐slot area of the valve body. After the seal has been removed, clean the T‐slot area, retaining ring and, if
required, polish the disk thoroughly with fine steel wool or other appropriate material.
LARGEST OUTSIDE DIAMETER
Figure 8. Typical Seal Ring (Sectional)
Soft Seal Installation
1. Locate the replacement seal ring (key 8) and note the shape of the ring. The ring is wider across one edge diameter
and narrower across the other edge diameter as shown in figure 8. Around the outside circumference is one wide
groove.
Before installing the seal ring into the valve body, the backup ring (key 9) must first be placed onto the wide, outer
groove of the seal ring.
2. The seal ring and backup ring assembly must be installed in the valve. The wider outside diameter of the seal ring
goes into the T‐slot area of the valve body, shown in figure 9. Start the wider diameter edge of the seal ring into the
T‐slot of the valve body using a blunt end screwdriver.
3. Carefully tuck the backup ring downward into the valve body T‐slot until the seal ring and back‐up ring are
completely entrapped in the valve body T‐slot.
4. When the seal is thoroughly seated, re‐install the retaining ring and screws. Tighten the retaining screws just
enough to eliminate vertical movement of the retaining ring. With the use of the blunt end tool, carefully tuck the
lip of the seal ring under the retaining ring.
5. When the seal is under the lip of the retaining ring, tighten the screws according to standard procedures. Manually
rotate the valve shaft clockwise 180_to return the disk to its closed position against the internal stop.
6. The final seating of the retaining ring screws can now be done. For the screw torque values, refer to table 6. The seal
is now fully installed and the valve may be closed for installation or storage.

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Seal Installation
For HPS seal installation:
Locate the replacement seal ring (key 8) and note the shape of the ring. The ring is wider across one edge diameter and
narrower across the other edge diameter as shown in figure 8. Around the outside circumference is one wide groove.
Install the seal ring (key 8) into the valve body by first placing the wider outside diameter of the seal ring into the T‐slot
area of the valve body which is shown in figure 9.
LARGEST OUTSIDE
DIAMETER (KEY 8)
A5251/IL
Figure 9. Typical Seal Installation
For Soft seal installation:
1. Locate the replacement seal ring (key 8) and note the shape of the ring. The ring is wider across one edge diameter
and narrower across the other edge diameter as shown in figure 8. Around the outside circumference is one wide
groove.
Install the seal ring in the valve body by first placing the wider outside diameter of the seal ring, as marked in figure 8,
into the T‐slot area of the valve body which is shown in figure 9. Seal rings without a back‐up ring will fall into place.
The back‐up ring will have to be installed after placing the seal ring in the valve using a blunt end screwdriver. Do not
use the screwdriver or seal tool directly on the seal ring. Use a tool only on the backup ring.
2. With the seal ring inserted all the way around the valve body T‐slot now lay the backup ring into the opening
between the valve body and the seal ring. Use the seal tool to apply pressure to the backup ring and carefully tuck
the backup ring down into the T‐slot between the valve body and the seal ring. Note: On larger valves, it may be
more efficient to have someone hold down the seal ring while the backup ring is pushed into the T‐slot.
3. Once the seal ring or seal and backup ring has been fully installed into the valve body T‐slot, the retaining ring
gasket (key 17) can be installed.

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CAUTION
This gasket is a thin graphite material. Take care to avoid damaging the gasket. However, punch one initial screw hole
through the gasket for alignment purposes.
4. Install the retaining ring and align the screw holes in the retaining ring with the holes in the valve body. Install the
first retaining ring screw through the punched hole in the ring gasket. Install the other ring screws by pushing the
screws through the graphite gasket and threading them into valve body.
5. Tighten the retaining ring screws just enough to eliminate vertical movement of the retaining ring. Do not tighten
the retaining ring screws.
WARNING
Avoid personal injury or property damage caused by the impact of a falling or tipping large valve. Large valves must be
properly supported during maintenance.
6. To complete this step, stand the valve up. Support the valve securely using methods appropriate for the valve size.
CAUTION
If a vise or other clamps are being used, be sure damage is not done to the flange gasket sealing area of the valve body.
7. Manually rotate the valve shaft to turn the disk clockwise to meet the seal.
8. Tap the disk with a rubber mallet to drive it against the internal travel stop. When the disk makes contact with the
stop, manually rotate the disk counter‐clockwise back out of the seal to a 90_open position. Repeat steps 7 and 8
three times.
9. The final seating of the retaining ring screws can be done. For the screw torque values, refer to table 6. The seal is
now fully installed and the valve may be closed for installation or storage.
Cryogenic Seal Installation
1. Locate the replacement seal ring (key 8) and note the shape of the ring. The ring is wider across one edge diameter
and narrower across the other edge diameter as shown in figure 8. Around the outside circumference is one wide
groove.
For Kel‐F seals with aluminum backup rings only: Now, locate the replacement V‐ring. Please notice that the V‐ring is
similar in diameters to the seal ring. Place the V‐ring down onto the seal ring with the larger diameter of the V‐ring
going first. Be sure the larger diameters on both rings are down.
2. For all types: Install the seal ring (or seal ring and V‐ring) in the valve body by first placing the wider outside
diameter of the seal ring into the T‐slot area of the valve body. The seal ring with or without a back‐up ring will fall
into place.
3. Once the seal ring (or seal ring and V‐ring) have been fully installed into the valve body T‐slot, the retaining ring
gasket can be installed.
CAUTION
This gasket is a thin graphite material. Take care to avoid damaging the gasket. However, punch one initial screw hole
through the gasket for alignment purposes.

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4. Install the retaining ring and align the screw holes in the retaining ring with the holes in the valve body. Install the
first retaining ring screw through the punched hole in the ring gasket. Install the other ring screws by pushing the
screws through the graphite gasket and threading them into the screw holes in the valve body.
5. Tighten the retaining ring screws just enough to eliminate vertical movement of the retaining ring. Do not tighten
the retaining ring screws.
WARNING
Avoid personal injury or property damage caused by the impact of a falling or tipping large valve. Large valves must be
properly supported during maintenance.
6. To complete this step, stand the valve up. Support the valve securely using methods appropriate for the valve size.
CAUTION
If a vise or other clamps are being used, be sure damage is not done to the flange gasket sealing area of the valve body.
7. Manually rotate the valve shaft to turn the disk clockwise to meet the seal.
8. Tap the disk with a rubber mallet to drive it against the internal travel stop. When the disk makes contact with the
stop, manually rotate the disk counter‐clockwise back out of the seal to a 90_open position. Repeat steps 7 and 8
three times.
9. The final seating of the retaining ring screws can be done. For the screw torque values, refer to table 4. The seal is
now fully installed and the valve may be closed for installation or storage.
Valve Shaft/Disk Pin Unit Maintenance
Valve Shaft/Disk Pin Unit Removal
1. Rotate the disk (key 3) 180_counterclockwise from the full closed position.
2. Place the open valve horizontally on a suitable work surface with the retaining ring (key 2) facing upward. Be sure to
properly support the valve with blocks while the shaft is being removed.
Note
The disk must be removed from the waterway side of the valve body, which is the side opposite the T‐slot area. Support the valve
and disk so the disk can be easily removed from the valve when the shaft is removed.
3. Use a pin extractor to remove the disk pins (key 6). Select the proper pin extractor tip with screws of proper thread
size to match the thread size in the disk pins.
4. Screw the pin extractor tip into the pin as far as possible. With an upward, straight sliding motion, extract the pin.
Repeat the same procedure for the other pins.
A threaded rod with an appropriate spacer and nut can also be used as an extractor tool. If using a threaded rod,
choose a rod with threads that fit the inside threads of the pins. The rod should extend several inches above the disk
when screwed into a pin.
5. After screwing the rod into the pin, slide the spacer over the rod and pin. Thread the nut onto the rod and tighten.
As the nut is tightened, it will drive the spacer against the disk and the increasing pressure will draw the pin from the
disk.
6. Loosen the packing nuts (key 16).

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7. Extract the shaft (key 4) by hand‐pulling or by using the pin extractor screwed into the end of the shaft.
Table 4. Torque Values for Fasteners
Fastener
Nominal Size NSm InSlb FtSlb
#10 4 35 ‐ ‐ ‐
1/4 9 81 ‐ ‐ ‐
5/16 19 167 ‐ ‐ ‐
3/8 33 295 ‐ ‐ ‐
7/16 53 ‐ ‐ ‐ 39
1/2 80 ‐ ‐ ‐ 59
9/16 117 ‐ ‐ ‐ 86
5/8 161 ‐ ‐ ‐ 119
3/4 286 ‐ ‐ ‐ 211
7/8 447 ‐ ‐ ‐ 330
1 651 ‐ ‐ ‐ 480
1‐1/8 837 ‐ ‐ ‐ 617
CAUTION
In the following step, remove the disk from the waterway side of the valve to avoid damage to the disk or T‐slot area.
8. Remember: the disk must be removed from the waterway side of the valve. Do not try to force the disk through the
seal side of the valve. This could cause severe damage to the disk and T‐slot area.
After removing the shaft, remove the disk.
Valve Shaft/Disk Pin Unit Installation
Note
Replacement disk and shaft(s) are provided as a matched set. When replacing either the disk or shaft(s), a matched set is required.
To replace the disk pin assembly (key 6), reverse the removal steps used above.
Before placing disk into a valve body, properly align the top of the disk with the top of the valve. A ”T” is stamped on
the disk to indicate alignment. Be sure holes in the shaft are exactly aligned with the holes in the disk before
re‐installing pins. After pins are fully seated in the disk, use a punch or small chisel to stake the pins at three points. This
will prevent the pins from working free and out of the disk due to vibration.
Bearing Maintenance
Bearing Removal
To get access to the bearings (key 10), the disk and shaft assembly (keys 3, 4 and 5) must be removed from the valve.
The bearings (key 10) may be removed by using a brass drift punch and lightly tapping them out. In valves without
lower bonnets, the lower bearing is removed by grasping it and pulling upwards. Also, cryogenic valves have an
outboard bearing under the packing. Refer to the Packing Maintenance section for instructions.
Bearing Installation
Before installation of the bearings, bearing bores should be solvent cleaned and bearings will slip in.

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A11 Valve
August 2017
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Parts Ordering
WARNING
Use only genuine Fisher replacement parts. Components that are not supplied by Emerson Automation Solutions should
not, under any circumstances, be used in any Fisher instrument. The use of components not manufactured by Emerson
Automation Solutions may void your warranty, might adversely affect the performance of the instrument, and could result
in personal injury or property damage.
Parts List
Note
Contact your Emerson sales office or Local Business Partner for Part
Ordering information.
Key Description
1 Valve Body
2 Retaining Ring
7* Key (Not Shown)
8* Seal Ring
9 Back‐up Ring
10* Bearing
11* Thrust Bearing (Not Shown)
12 Packing Flange
13 Packing Follower
14* Packing Set
15 Stud
16 Hex Nut
17* Gasket (Retainer Ring) w/Metal and Phoenix III Seals
20 Lockwasher, retaining ring assembly S31600
20 Lockwasher, packing assembly
21 Hex Head Bolt (Not Shown)
22 Socket Head Cap or Retaining Ring Screws
24 Nameplate (Not shown)
26 Packing Spacer (Not shown)
27 Drive Screw (Not Shown)
28* Disk/Shaft Assembly
29 Label
33 Flow Arrow (Not Shown)
‐ ‐ ‐ Line Bolting
ENVIRO‐SEAL Packing Parts
Parts shown are used in standard and NACE constructions.
Key Description
100 Stud
101 Hex Nut
102 Packing Flange
103 Spring Pack
105* Packing Set
106* Anti-Extrusion Ring (2 req'd)
107 Packing Box Ring
111 Tag
112 Cable Tie
113 Lubricant
*Recommended spare parts