Emerson Fisher V260 User manual

www.Fisher.com
FisherrV260 Rotary Pipeline Ball Valve
Contents
Introduction 1...............................
Scope of Manual 1.........................
Description 1..............................
Specifications 2............................
Installation 2................................
Maintenance 4..............................
Packing Maintenance 5.....................
Stopping Leakage 5.......................
Replacing Packing 5.......................
Seal Ring Maintenance
Disassembly 6............................
Assembly 8...............................
Actuator Mounting 10........................
Determining Mounting Position 10............
Determining Closed Position 10..............
Parts Ordering 10............................
Parts List 12................................
Introduction
Scope of Manual
This instruction manual provides installation,
operation, maintenance, and parts information for
the Fisher V260 control valve. Refer to separate
manuals for information concerning the actuator,
positioner, and accessories (see figure 1).
Do not install, operate, or maintain a V260 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 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.
W6365-2/IL
Figure 1. Fisher V260 Sectional View
Description
V260 throttling ball valves are available in
single-seal, double block-and-bleed, dual-seal, and
bidirectional flow constructions with or without
attenuators. Valves with dome-style attenuators
combine the efficiency of a rotary valve with the
noise reducing capability of a special trim (figure 4).
Valves without attenuators present little or no
restriction to flow at full travel.
Instruction Manual
D102178X012
May 2010 V260 Valve

V260 Valve
Instruction Manual
May 2010
2
Table 1. Specifications
Valve Body Size and End Connection Styles(1)
NPS 8, 10, 12, 16, 20, and 24 flanged valves with
CL150, CL300, and CL600 raised-face or
ring-type joint flanges compatible with ASME
B16.5. See table 2 for face-to-face dimensions.
Consult factory for other pressure ratings.
Maximum Inlet Pressures and Temperatures(1)
Consistent with CL150, CL300, and CL600
pressure-temperature ratings per ASME B16.34
Maximum Allowable Shutoff Pressure Drop(1)
For Single-Seal and Dual-Seal Construction:
(Except where further limited by the
pressure-temperature rating of valve body
material)
For LF2 valve body material:
CL150: 19.6 bar (285 psi) at 38_C (100_F)
CL300: 51 bar (740 psi) at 38_C (100_F)
CL600: 103 bar (1480 psi) at 38_C (100_F)
Seal Material and Temperature Capability(1)
JPOM (polyoxymethylene) (Standard) 29 to
82_C (20 to 180_F)
JPTFE/PEEK(2)(3) (Optional) 29 to 93_C (20
to 200_F)
Flow Characteristic
Modified equal percentage
Flow and Shutoff Direction
Unidirectional flow for Fisher V260 is forward flow.
Seal is upstream.
JSingle Seal Constructions: Should be used
for unidirectional flow and unidirectional shutoff
only.
JDual Seal Constructions: V260A and V260C
may be used for unidirectional or bidirectional
flow. V260B should be used for unidirectional flow
only for most effective anti-cavitation protection.
Bidirectional shutoff requires the dual seal
construction.
Shutoff Classification
Single-Seal Composition Constructions:
0.001% of maximum valve capacity (less than
10% of ANSI/FCI 70-2 Class IV and IEC 60534-4)
Dual-Seal Composition Constructions: 0.001%
of maximum valve capacity (less than 10% of
ANSI/FCI 70-2 Class IV and IEC 60534-4)
Maximum Ball Rotation
90 degrees
Actuator Mounting
Right-hand or left-hand mounted as viewed from
the valve inlet for forward flow
Approximate Weight
See table 2
1. The pressure-temperature limits in this instruction manual and any applicable standard or code limitation for valve should not be exceeded.
2. PTFE stands for Polytetrafluorethylene, and PEEK stands for Polyetheretherketone.
3. Temperature limits of PTFE/PEEK is limited due to standard nitrile O-ring. Contact your Emerson Process Management sales office for higher temperature options, up to 232_C (450_F).
Installation
WARNING
DTo avoid personal injury, always
wear protective gloves, clothing, and
eyewear when performing any
installation operations.
DTo avoid personal injury or
property damage resulting from the
bursting of pressure retaining parts,
be certain the service conditions do
not exceed the limits given in this
manual.
DTo avoid personal injury or
property damage that can result from
the sudden release of process
pressure if valve or mating pipe flange
pressure ratings are exceeded, provide
a relief valve for over-pressure
protection as required by government
or accepted industry codes and good
engineering practices.

V260 Valve
Instruction Manual
May 2010
3
Table 2. Face-to-Face Dimensions and Approximate
Weights
VALVE SIZE, NPS
(CL600(1))
FACE-TO-FACE
DIMENSIONS
APPROXIMATE
WEIGHT
mm kg
8 661 424
10 788 653
12 840 882
16 990.6 2472
20 1144 4313
24 1397 7257
Inches Pounds
8 26.04 975
10 31.04 1550
12 33.07 2025
16 39.0 5450
20 47.0 9500
24 55.0 16000
1. For CL150 and CL300 valves, face-to-face dimensions are the same as CL600
valves.
DService conditions are limited for
valve and trim material combinations.
Do not apply any other service
condition to the valve without first
contacting your Emerson Process
Management sales office.
DPersonal injury could result from
packing leakage. The valve packing
was tightened before shipment
however, the packing might require
some readjustment to meet specific
service conditions.
DCheck with your process or safety
engineer for any additional measures
that must be taken to protect against
process media.
DIf installing into an existing
application, also refer to the WARNING
at the beginning of the Maintenance
section in this instruction manual.
DTo avoid personal injury or
property damage, a minimum of two
swivel hoists must be used when
lifting NPS 24 CL600 assemblies.
Key number locations are shown in figure 6, unless
otherwise noted.
1. Install a three-valve bypass around the control
valve assembly if continuous operation will be
necessary during inspection and maintenance of the
valve.
2. The valve is normally shipped as part of a control
valve assembly, with an actuator mounted on the
valve. The valve/actuator assembly is adjusted at
the factory before the unit is shipped.
If the valve or actuator has been purchased
separately or if the actuator has been removed,
mount the actuator according to the Actuator
Mounting section and the appropriate actuator
instruction manual. Make any necessary
adjustments on the bench before installing the valve
in the pipeline. With the valve in the pipeline, you
cannot see the exact position of the ball to determine
the fully open or closed positions.
3. Standard flow direction is shown in figure 6. If
possible, install the valve in a horizontal pipeline with
the drive shaft horizontal. The actuator can be right-
or left-hand mounted in any of the positions shown in
the actuator instruction manual. If necessary, refer to
the appropriate actuator instruction manual for
installation and adjustment procedures.
4. Be certain the valve and adjacent pipelines are free
of any foreign material that could damage the valve
sealing surfaces. Impurities or entrained solids in the
process fluid could plug the passages in the trim. If the
process fluid is not clean, install a filter upstream to
keep the pipeline free of impurities or entrained solids.
5. Provide appropriate flange gaskets, and place the
valve in the pipeline. Tighten flange bolting in a
criss-cross sequence to ensure the flange gaskets
are loaded evenly.
Note
Standard Fisher V260 valve packings
(key 105) are composed of:
DConductive packing ring (graphite
ribbon packing), or
DPartially conductive packing rings
(For example: a carbon-filled PTFE
female adaptor with PTFE V-ring
packing or a graphite-composition
packing ring with PTFE/composition
packing ring)
In order to electrically bond the drive
shaft to the valve body for hazardous
area service, an alternate shaft-to-body
bonding strap can be provided by
using the following step.
6. For hazardous applications, attach the optional
bonding strap assembly (key 131) to the valve drive
shaft (key 6) with the clamp (key 130) and connect the
other end of the bonding strap assembly to the valve

V260 Valve
Instruction Manual
May 2010
4
Figure 2. Optional Shaft-to-Body Bonding Strap Assembly
body with the mounting cap screw as shown in
figure 2.
7. Connect pressure lines to the actuator as
indicated in the actuator instruction manual. When
an auxiliary manual actuator is used with a power
actuator, install a bypass valve on the power
actuator (if one is not supplied) for use during
manual operation.
8. If the valve has ENVIRO-SEALtlive-loaded
packing installed, an initial re-adjustment may not be
required, depending on your application. See the
Fisher instruction manual titled ENVIRO-SEAL
Packing System for Rotary Valves for packing
instructions and adjustments (see figure 3).
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.
Key numbers are shown in figure 6, unless
otherwise noted.
WARNING
Avoid personal injury or equipment
damage from sudden release of
process pressure or uncontrolled
movement of parts. Before performing
any maintenance operations:
DDo not remove the actuator from
the valve while the valve is still
pressurized.
DAlways wear protective gloves,
clothing, and eyewear when
performing any maintenance
operations to avoid personal injury.
DDisconnect 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.
DVent the power actuator loading
pressure and relieve any actuator
spring precompression.
DUse 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.
DDual-seal valve constructions can
retain pressure and process fluid even
after process pressure has been
removed from both sides of the valve.
Relieve this pressure before
disassembling or removing the valve
from the line. Take additional care if
the process fluid is hot, flammable,
caustic, or hazardous.
DCarefully secure the valve in an
upright position. The roundness of the
flanges and valve body allow it to
easily roll from side-to-side. The
combined weight of the valve/actuator
assembly could cause injury or
property damage when falling to the
side.
DUse lock-out procedures to be
sure that the above measures stay in
effect while you work on the
equipment.
DThe 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.

V260 Valve
Instruction Manual
May 2010
5
DAvoid injury by keeping hands,
tools, and other objects away from the
ball while stroking the valve.
DCheck with your process or safety
engineer for any additional measures
that must be taken to protect against
process media.
DTo avoid personal injury or
property damage, a minimum of two
swivel hoists must be used when
lifting NPS 24 CL600 assemblies.
Packing Maintenance
Note
For the ENVIRO-SEAL Packing
System, refer to the separate
ENVIRO-SEAL Packing System for
Rotary Valves instruction manual for
maintenance instructions.
Stopping Leakage
For standard PTFE V-ring packing, leakage around
the packing follower may be stopped by tightening
the packing follower nuts.
If the packing is relatively new and tight on the drive
shaft, and if tightening the packing follower nuts
does not stop the leakage, the drive shaft may be
worn or nicked so that a seal cannot be made. If the
leakage comes from the outside diameter of the
packing, the leakage may be caused by nicks or
scratches on the packing box wall. Inspect the drive
shaft and packing box wall for nicks or scratches
while performing the following procedure.
Replacing Packing
Replacing the packing requires bleeding off the
system and removing the actuator from the valve.
Valve/actuator adjustments cannot be made
correctly without observing the fully open or closed
position of the ball (key 11). It is not necessary to
remove the valve from the pipeline, if care is taken to
note the position and alignment of the lever and
shaft and to not disturb the turnbuckle position.
Disassembly
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, shut off all pressure
lines (or other power source) to the power actuator,
release pressure from the actuator, and disconnect
the pressure lines from the actuator. Use lock-out
procedures to be sure that the above measures stay
in effect while you work on the equipment.
See the WARNING at the beginning of the
Maintenance section for more information before
removing the valve from the pipeline.
2. Remove line bolting, remove the control valve
from the pipeline, and place the actuator/valve
assembly on a flat surface.
3. Remove the actuator cover. Note and mark the
orientation of the actuator with respect to the valve
body and the lever orientation with respect to the
valve drive shaft, to assist with reassembly.
4. Loosen the lever locking device cap screw.
Loosening the lever turnbuckle adjustment is not
necessary during disassembly. When remounting
the actuator, the turnbuckle will be used for actuator
adjustments.
5. Removing the actuator from the valve:
a. Remove the actuator mounting screws, bolts,
or nuts.
CAUTION
When removing the actuator from the
valve, do not use a hammer or similar
tool to drive the lever or actuator off
the valve shaft. Driving the lever or
actuator off the valve shaft could
damage the ball, seal(s), and valve.
If necessary, use a wheel puller to
remove the lever or actuator from the
valve shaft. Tap the wheel puller screw
lightly to loosen the lever or actuator.
Do not hit the screw with excessive
force. Using excessive force could
damage the ball, seal(s), and valve.
b. Slide the lever along the valve shaft while
removing the actuator from the valve.
6. If necessary, remove the bonding strap
assembly, shown in figure 2, from the valve before
attempting to remove the packing box parts.
7. Remove the packing follower nuts, packing
flange, and packing follower (keys 101, 102,
and 114, figure 3).
8. Remove the packing parts:

V260 Valve
Instruction Manual
May 2010
6
Figure 3. Packing Arrangement Details
a. If the packing housing (key 16) is mounted
on the valve: Use a formed wire hook with a
sharp end to pierce the packing rings, and pull
the rings out of the packing box. Do not scratch
the drive shaft or packing box wall. Scratching
these surfaces could cause leakage. Clean,
inspect, and obtain replacement parts as
necessary for reassembly.
b. If the packing housing is removed from the
valve: Remove the drive shaft (key 20) from the
packing housing. With the drive shaft removed,
remove all internal parts. Clean, inspect, and
obtain replacement parts as necessary for
reassembly.
The packing sets (key 105) listed in the parts list do
not include any metal parts. Either clean and reuse
metal packing parts or obtain replacements by
ordering them individually.
Assembly
If the valve is equipped with the ENVIRO-SEAL
packing system, refer to the ENVIRO-SEAL Packing
System Rotary Valves instruction manual for
assembly.
1. If the packing housing assembly (key16) is
removed from the valve, use the valve assembly
steps to reinstall the drive shaft (key 20) and packing
housing assembly on the valve.
2. For standard packing arrangements, install the
new packing parts using the parts sequence shown
in figure 3.
3. Secure the packing follower and packing flange
with the packing nuts (keys 114, 102, and 101).
Tighten the nuts far enough to stop leakage during
operating conditions.
4. If necessary, install the bonding strap assembly
shown in figure 2.
5. Use the steps provided in the Actuator Mounting
section to install the actuator on the valve. For
actuator travel adjustments, refer to the appropriate
actuator instruction manual.
6. When the control valve is installed in the pipeline
and in operation, check around the packing follower
for leakage and retighten the packing nuts as
necessary.
Seal Ring Maintenance
Disassembly
WARNING
For valves with dual-seals, fluid and/or
a hazardous material may be trapped
under pressure in the valve body
cavity. To avoid personal injury,
relieve the pressure, and drain any
remaining fluid or hazardous material

V260 Valve
Instruction Manual
May 2010
7
from the valve body cavity. If
necessary, disassemble the valve in a
safe area for cleaning.
See the WARNING at the beginning of
the Maintenance section for more
information before removing the valve
from the pipeline.
Disassemble the valve only to the extent necessary
to accomplish the needed inspection and repairs.
For some repairs (for example, the trim parts only)
complete disassembly of the valve is not necessary.
Follow the disassembly procedures to the point
necessary to accomplish the repair, then skip to the
appropriate assembly steps to complete the
reassembly of the valve. Always clean and protect
sealing surfaces from damage.
Mark parts as necessary to allow them to be
returned to the same position as removed. For
example: Be sure to return the tailpiece to the same
end of the valve from which it was removed. Also,
the seal assembly within the tailpiece should be
returned to the same tailpiece from which it was
removed. The bearing plates should be marked and
reinstalled on the ball in the same position as they
were, when removed.
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, shut off all pressure
lines to the power actuator, release pressure from
the actuator, and disconnect the pressure lines from
the actuator. Use lock-out procedures to be sure that
the above measures stay in effect while you work on
the equipment.
2. Remove line bolting, remove the control valve
from the pipeline, and clean all valve surfaces. Place
the actuator/valve assembly on a flat working
surface.
3. Mark parts as necessary to allow them to be
returned to the same position during re-assembly.
4. Perform the procedure in the Packing
Maintenance section to remove the actuator from the
valve. When valve maintenance is complete, refer to
the Mounting Actuator procedure at the end of the
Maintenance section to re-install the actuator on the
valve.
5. Provide a clean soft working surface to protect
the tailpiece-flange sealing surface.
a. If the valve does not have an attenuator dome,
lift the valve and place it on its side with either
tailpiece flange resting on the flat surface. Be
sure the valve is in a stable, upright position
before releasing the hoist connection.
b. If the valve has a single attenuator dome, it is
best to position the valve body so the tailpiece
with the dome is in the down position. Be sure the
valve is stable, in an upward position before
releasing the hoist connection.
Note
If the packing is in good condition, it is
possible to remove and replace the
seal assembly, or dome assembly
without removing the packing box
assembly. However, the packing
assembly must be removed to remove
the ball (key 11) from the valve body.
6. Remove the packing housing nuts (key 23).
Remove the packing housing assembly from the
valve. The assembly includes all the packing box
parts, drive shaft, O-ring seals, bearing, and other
parts.
7. Remove the nuts from the studs (keys 19 and 3)
to remove the tailpiece/valve connection. (Refer to
figure 6).
Note
While lifting the tailpiece (key 2 or 6)
from the valve body, check to see if
the seal assembly is lifting with the
tailpiece. (Note: Some valve
constructions do not have a seal
assembly installed in the tailpiece.) If it
is, slide something between the ball
and tailpiece to protect the ball in case
the seal assembly falls out of the
tailpiece.
8. If the valve has dual attenuator domes, tap the
dome to loosen it from the top tailpiece before the
top tailpiece is lifted from the valve body.
9. Turn the tailpiece over so the seal assembly is
facing up, and place it on a clean soft surface with
the flange face down.
10. From the tailpiece assembly or from the valve,
remove the seal assembly, wave spring, and O-ring
seal (keys 8 and 7). Clean and protect all sealing
surfaces.

V260 Valve
Instruction Manual
May 2010
8
WARNING
In the next step, be sure to secure the
bearing plates on the ball to prevent
them from falling. When lifting the ball,
the bearing plates may slide-off the
ball trunnions which may cause
personal injury or property damage.
11. Turn the ball (key 11) to the closed position. Use
a nylon sling through the ball bore to lift the ball out
of the valve body. Lift the ball and set it on a clean
soft surface.
12. Remove the two bearing plates and thrust
washers (key 4 and 30) from the ball (key 11).
Inspect the bearing in the bearing plates and thrust
washers (keys 29 and 30). If necessary, remove and
replace the bearings (key 29).
13. Evenly loosen the hex nuts from the studs on
the lower tailpiece (key 2 or 6). Remove the valve
body from the tailpiece.
14. Remove from the tailpiece assembly, the dome
assembly and/or the seal assembly, wave spring,
and O-ring seal. Clean and protect all sealing
surfaces.
Assembly
Be sure to replace valve parts in the same position
that they were removed. Use the following
suggested sequence to reassemble the valve.
Note
Clean and protect all sealing surfaces
from damage while installing parts.
Lubricate parts when necessary as an
aid for installing parts, and to help
protect sealing surfaces.
Key number locations are shown in figure 6.
1. Place the tailpiece (key 2 or 6), pipe flange end
down on a clean soft surface with the seal assembly
or attenuator dome cavity facing up.
2. Lubricate and install the O-rings (key 12) on both
tailpieces.
For characterized domes, install the grooved end of
the dome groove pin (key 33) into the tailpiece, as
far as it will go. Use only a light tapping force, taking
care not to bend the pin. This groove pin will prevent
the attenuator dome from rotating with respect to the
tailpiece.
3. Install the inlet end attenuator dome (key 28
or 10) into the tailpiece (key 6). Use the lifting lugs in
the two threaded holes for ease of handling.
For characterized attenuators, align the pin hole in
the dome with the groove pin (key 33) placed in the
tailpiece in step 3. High Density attenuators don’t
require this orientation.
For dual seal V260A or V260B constructions,
lubricate and install the O-ring (key 15) on the dome
spacer (key 13). If a dual dome is being assembled,
install the dome spacer into the tailpiece, using the
two threaded holes as lifting lugs.
4. Apply thread locking adhesive to and install the
two cap screws (key 36) that hold the washers
(key 37) which help retain the dome or dome spacer
(if applicable) in the tailpiece.
For constructions with dual dome and/or dual seals,
lubricate and install the O-ring (key 7) in the groove
on the inlet seal (key 9). Install the wave spring
(key 8) over the end of the seal. Install the seal
assembly O-ring (key 7) between the dome spacer
and the dome (key 10).
Note
DVerify that the ball opens into the
dome windows last. (See figure 5)
DIf not, remove the dome and
tailpiece and turn it 180 degrees to
allow the windows to open last.
5. Install the grooved end of the groove pins (key 5)
into the bearing plates (key 4) as far as they will go.
Use only a light tapping force, taking care not to
bend the pins.
6. Apply dry film lubrication between the trunnion
surfaces on the ball and the trunnion bearings.
7. Install new bearings (key 29) in the bearing plates
(key 4).
WARNING
In the next step, be sure to secure the
bearing plates on the ball to prevent
them from falling. When lifting the ball,
the bearing plates may slide off the
ball trunnions which may cause
personal injury or property damage.

V260 Valve
Instruction Manual
May 2010
9
8. Lift the ball with a nylon sling through the bore
and turn the ball until the port and trunnions are
horizontal.
9. Slide one ball thrust washer (key 30) onto each
side of the ball trunnions, and install a bearing plate
(key 4) on each side of the ball trunnions.
10. Carefully lower the ball and bearing plates onto
the lower (inlet) tailpiece taking care not to damage
the ball surface.
While lowering the ball, guide the groove pins in the
bearing plates into their proper location in the
tailpiece. To determine the proper location for Right
Hand Mounting, turn the splined trunnion so that it is
on your right hand side when the attenuator dome is
in front of you and the bottom of the valve is nearest
you.
11. Install the grooved end of the groove pin
(key 18) into the valve body, as far as it will go. Use
only a light tapping force, taking care not to bend the
pin. Install the body studs (key 3) in the valve body
and install two swivel hoists for lifting the valve body.
12. Lift the valve body, using the swivel hoists, so it
is centered over the ball and bearing plates. Be sure
the shaft hole is aligned with the splined trunnion on
the ball. When lowering the valve body, take care
not to damage the ball. Guide the groove pins in the
valve body into their proper location in the tailpiece.
13. Install the hex nuts(key 19) on the studs (key 3)
and hand-tighten them.
14. Lubricate and install the O-ring (key 14) on the
packing housing (key 16). Install the shaft bearing
(key 32) in the packing box housing.
15. Install the packing housing studs (key 22) in the
valve body.
16. Apply anti-seize lubricant to the large spline on
the shaft. Line-up the missing spIine tooth with the
appropriate space in the ball, and install the drive
shaft (key 20) into the ball.
17. Install the shaft thrust washer (key 24) onto the
shaft.
18. Install the packing housing (key 16) and nuts
(key 23), and tighten them evenly. Orient the length
of the packing box housing perpendicular to the bore
of the valve body.
Table 3. Torque Values
VALVE
SIZE,
NPS
PRESSURE
RATING
VALVE BODY
HEX NUT
(KEY 19)
MOUNTING
FLANGE HEX
NUT (KEY 23)
NSmlbf-ft NSmlbf-ft
8
CL150 393 290
271 200
CL300 549 405
CL600 746 550
10
CL150 549 405
CL300 746 550
CL600 990 730
12
CL150 549 405
CL300 990 730
CL600 990 730
16
CL150 746 550
746 550
CL300 1750 1290
CL600 1750 1290
20
CL150 990 730
990 730
CL300 2237 1650
CL600 3470 2560
24
CL150 1749 1290 990 730
CL300 3470 2560 990 730
CL600 6088 4490 1749 1290
WARNING
Refer to table 3 for bolt torque
requirements. Exceeding any torque
requirements could damage the valve
and impair safe operation.
19. Assemble the seal and install the second
tailpiece using the following steps.
For dual seal and dual dome constructions, it is
easier to lay the valve assembly on its side while
installing the second tailpiece.
20. Install the dome, dome spacer, and alignment
groove pins (if a characterized attenuator is used) in
the tailpiece.
21. Lubricate and install the seal assembly O-ring
(key 7) in the groove of the seal as shown in
figure 6.
22. Install the wave spring (key 8) over the end of
the seal (key 17 or 9). Note that the spring is not
required with the attenuator dome (key 28, figure 6).
23. For single seal constructions, place the seal ring
assembly into the tailpiece, taking care not to
damage the O-ring (key 7) while sliding it into the
tailpiece. Also, be careful to protect all sealing
surfaces.
For dual seal constructions, place the seal assembly
(key 17) into the dome, dome spacer and tailpiece.

V260 Valve
Instruction Manual
May 2010
10
24. Lift the second tailpiece assembly and align it
with the valve body studs and pins. Slide the
tailpiece onto the studs and bearing plate pins. The
groove pins in the valve body should be guided into
the pin holes in the tailpiece. Pull it up tightly, taking
care not to damage the tailpiece O-ring as it is pulled
into the valve body.
25. Install the hex nuts (key 19) on the studs (key 3)
and hand-tighten them. Torque all the hex nuts
evenly.
WARNING
Refer to table 3 for bolt torque
requirements. Exceeding any torque
requirements could damage the valve
and impair safe operation.
26. Refer to the Packing Maintenance section to
install the packing parts.
Actuator Mounting
Use the appropriate actuator instruction manual
when mounting the actuator or changing actuator
styles and positions.
Determining Mounting Position
The actuator can be either right- or left-hand
mounted.
Note
DRight-hand mounting means that
the actuator is mounted on the right
side of the valve when viewed from the
valve inlet.
DLeft-hand mounting means that
the actuator is mounted on the left
side of the valve when viewed from the
valve inlet.
Right- or left-hand mounting can change the actuator
action from push-down-to-close to
push-down-to-open, or vice-versa.
Determining Closed Position
1. You must remove the valve from the pipeline to
check the position of the ball.
2. Adjust the actuator linkage or travel stops as
described in the actuator instruction manual. Adjust
the actuator so that the valve ball will be fully open
or closed when the actuator is at the end of its
stroke, depending on the actuator action selected.
Parts Ordering
A serial number is assigned to each valve and
stamped on the nameplate. Always refer to the valve
serial number when corresponding with your
Emerson Process Management sales office
regarding spare parts or technical information. When
ordering replacement parts, also specify the part
name and desired material.
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.
Note
Neither Emerson, Emerson Process
Management, nor any of their affiliated
entities assumes responsibility for the
selection, use, or maintenance of any
product. Responsibility for the
selection, use, and maintenance of any
product remains with the purchaser
and end user.

V260 Valve
Instruction Manual
May 2010
11
HI-DENSITY
ATTENUATOR
CHARACTERIZED
ATTENUATOR
E0816
Figure 4. Ball Attenuator Construction Details
E0817
Figure 5. Exploded View of Dome, Ball, Tailpiece and Bearing Plates

V260 Valve
Instruction Manual
May 2010
12
Parts List
Note
Part numbers are shown for recommended spares
only. For part numbers not shown, contact your
Emerson Process Management sales office.
Key Description
1 Valve Body
If you need a valve body as a replacement part, order the
valve size, pressure rating, serial number, and desired
material. Contact your Emerson Process Management
sales office.
2 Inlet Tailpiece
3 Body Stud
4 Bearing Plate (2 req’d)
5 Dowel Pin (8 req’d)
6 Outlet Tailpiece
7* Seal Assembly O-Ring (1 req’d for single, 2 req’d for dual seal)
NPS 8 17B1353X012
NPS 10 17B1354X012
NPS 12 17B1355X012
NPS 16 17B4974X012
NPS 20 17B7414X012
NPS 24 GE00497X012
8 Wave Spring (1 req’d for single, 2 req’d for dual-seal)
9* Outlet Seal Assembly See following table
10* Attenuator Dome for Dual Seal See following table
11 Ball
12* Tailpiece O-Ring (2 req’d)
NPS 8 18B8211X012
NPS 10 18B8212X012
NPS 12 18B8213X012
NPS 16 18B8214X012
NPS 20 18B8215X012
NPS 24 GE00724X012
13 Dome Spacer
Key Description Part Number
14* Packing Box O-Ring
NPS 8 17B1364X012
NPS 10 1D7104X0012
NPS 12 1D7104X0012
NPS 16 K18791X0012
NPS 20 17B7416X012
NPS 24
CL150 and CL300 17B7416X012
CL600 GE36050X012
15 Dome Spacer O-Ring
16 Packing Box Housing
17* Inlet Seal Assembly See following table
18* Dowel Pin (4 req’d)
NPS 8 17B1374X012
NPS 10 1C7729X0012
NPS 12 1C7729X0012
NPS 16 1C7729X0012
NPS 20 17B7413X012
NPS 24 17B7413X012
19 Body Hex Nut
20 Drive Shaft
21 Actuator Mounting Cap Screw (4 req’d)
22 Packing Housing Stud, Steel
23 Packing Housing Nut, Steel
24* Shaft Thrust Washer
NPS 8 17B1343X012
NPS 10 & 12 17B1345X012
NPS 16 17B4965X012
NPS 20 17B5026X012
NPS 24
CL150 and CL300 17B5026X012
CL600 GE36303X022
25 Pipe Plug (not shown)
26 Flow Arrow
27 Drive Screw, for nameplate
28* Attenuator Dome for Single Seal See following table
29* Trunnion Bearing (2 req’d)
NPS 8 17B1359X012
NPS 10 17B1360X012
NPS 12 17B1361X012
NPS 16 17B4977X012
NPS 20 17B5027X012
NPS 24
CL150 and CL300 17B5027X012
CL600 GE36300X012
*Recommended spare parts

V260 Valve
Instruction Manual
May 2010
13
Key Description Part Number
30* Ball Thrust Washer (2 req’d)
NPS 8 17B1342X012
NPS 10 17B1344X012
NPS 12 17B1346X012
NPS 16 17B4966X012
NPS 20 17B5028X012
NPS 24
CL150 and CL300 17B5028X012
CL600 GE36360X012
32* Shaft Bearing
NPS 8 17B1362X012
NPS 10 & 12 17B1363X012
NPS 16 17B4978X012
NPS 20 17B5029X012
NPS 24
CL150 and CL300 17B5029X012
CL600 GE36302X012
33 Pin, Attenuator Dome (not shown)
34 Nameplate (not shown)
36 Drive Screw (not shown)
37 Washer (not shown)
Key Description
100 Packing Stud (2 req’d for NPS 812, 4 req’d for
NPS1624)
101 Packing Nut (2 req’d for NPS 812, 4 req’d for
NPS1624)
102 Packing Flange
105* Packing Set
ENVIROSEAL
PTFE/CarbonFilled PTFE
NPS 8 14B3049X012
NPS 10 & 12 14B3060X012
NPS 16 14B5652X012
NPS 20 14B5730X012
Standard
PTFE/Carbon Filled PTFE
NPS 8 12A9057X022
NPS 10 & 12 1R6699X0012
NPS 16 14B5652X012
NPS 20 14B5730X012
NPS 24 17B5129X012
106 Anti-Extrusion Ring, PTFE
107 Packing Box Ring
116 Clamp (grounding strap assembly)
117 Grounding Strap Assembly
Keys 9* & 17* Seal Assembly(1)
VALVE
SIZE,
NPS
SEAL PART NUMBER
Key 9 (Outlet)  for dual seal constructions Key 17 (Inlet)  for single and dual seal constructions
PTFE/PEEK POM(2) NACE
PTFE/PEEK NACE POM PTFE/PEEK POM NACE PTFE/PEEK NACE POM
8 28B1218X032 28B1218X012 28B1218X062 28B1218X052 27B1350X032 27B1350X012 27B1350X062 27B1350X052
10 28B1219X032 28B1219X012 28B1219X062 28B1219X052 27B1351X032 27B1351X012 27B1351X062 27B1351X052
12 28B1220X032 28B1220X012 28B1220X062 28B1220X052 27B1352X032 27B1352X012 27B1352X062 27B1352X052
16 37B4961X032 37B4961X012 37B4961X062 37B4961X052 37B4961X032 37B4961X012 37B4961X062 37B4961X052
20 37B5019X032 37B5019X012 37B5019X062 37B5019X052 37B5019X032 37B5019X012 37B5019X062 37B5019X052
24 CL150
& CL300 GE00488X032 GE00488X022       GE00488X032 GE00488X022      
24 CL600 GE02813X022 GE02813X012 GE02813X032 GE02813X042 GE02813X022 GE02813X012 GE02813X032 GE02813X042
1. The V260C uses Key 17 in both the inlet and outlet.
2. POM (polyoxymethylene).
*Recommended spare parts

V260 Valve
Instruction Manual
May 2010
14
Keys 10* & 28* Attenuator Dome, S17400 SST
VALVE VALVE SIZE,
NPS
ATTENUATOR DOME PART NUMBER
Key 28 For single seal constructions Key 10 For dual seal constructions
Characterized High Density Characterized High Density
V260A
8 47B1312X012 47B1309X012 48B0916X012 48B0915X012
10 47B1313X012 47B1310X012 48B0918X012 48B0917X012
12 47B1314X012 47B1311X012 48B0920X012 48B0919X012
16 57B4946X012 57B4980X012 57B4982X012 57B4981X012
20 47B4990X012 47B4991X012 47B4992X012 47B4993X012
24 CL150 &
CL300 GE39617X012         
24 CL600 GG03694X012 GG03697X012 GG03695X012 GG03696X012
V260B
8 47B3510X012 47B3509X012 48B0922X012 48B0921X012
10 47B3514X012 47B3531X012 48B0924X012 48B0923X012
12 47B3518X012 47B3517X012 48B0988X012 48B0987X012
16 57B4984X012 57B4983X012 57B4986X012 57B4985X012
20 47B5033X012 47B5032X012 47B5031X012 47B5030X012
24 CL150 &
CL300 GE00545X012 GE07146X012 GE00699X012 GE07157X012
24 CL600 GG02722X012 GG03691X012 GG02718X012 GG03688X012
*Recommended spare parts

V260 Valve
Instruction Manual
May 2010
15
Figure 6. Fisher V260 Valve Assembly
NOTE: KEY NUMBERS 25, 33, AND 34 ARE NOT SHOWN.
ATTENUATOR
DOME
WITH NO SEAL
54B9811-D/DOC
STANDARD
FLOW
DIRECTION

V260 Valve
Instruction Manual
May 2010
16
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
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. 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.
EFisher Controls International LLC 1995, 2010; All Rights Reserved
Fisher and ENVIROSEAL are marks owned by one of the companies in the Emerson Process Management business division 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.