Flowserve XL90 Series Guide

48-1Valtek Part No. ??????
GENERAL INFORMATION
Thisbulletinisdesignedtoassistininstalling,calibrating,
troubleshooting and performing maintenance as re-
quiredfortheXL90Serieshigh-performancepositioner.
Productusersandmaintenancepersonnelshouldthor-
oughly read and strictly follow the instructions con-
tained in this bulletin prior to operating the positioner.
Any questions concerning this product should be di-
rected to a Flowserve representative.
To avoid possible injury to personnel or dam-
age to valve parts, WARNING and CAUTION
notes must be strictly followed. Modifying this
product, substituting non-factory parts or us-
ing maintenance procedures other than out-
lined could drastically affect performance and
be hazardous to personnel and equipment.
The XL90 high-performance positioner is a two-stage
device and is designed for use in control loops where
fast response is required. The XL90 positioner is de-
signed to be modular and use the P/P module for 3-15
psi input signal or the NT 3000 Series Transducer
Module for 4-20 mA input signal.
TheXL90high-performancepositionerisdesignedasa
four-waydevice,butcaneasilybeconvertedtoathree-
way device by plugging one of the output ports.
NOTE:TheXL90high-performancepositionermust
usethe I/PNT 3000Transducer. TheI/P 2000Trans-
ducerisnotacceptableforusewiththeXL90Series
Positioner.
TheXL90positionercanhandlesupplypressuresupto
150psi;thus,asupply regulatorisusuallynotrequired.
However, a five micron air filter is required for pneu-
matic positioners and a coalescing filter is required for
I/P positioners.
NOTE: The air supply should conform to ISA
Standard S7.3 (a dew point at least 18 ° F / -8 ° C
below ambient temperature, particle size below 5
microns, oil content not to exceed one part per
million).
TheXL90Seriespositionerfeaturesanadjustablegain
of400-1100:1.The medium gain settingisstandard for
smalleractuators,whilethe highgainsettingis usedon
larger actuators (refer to ‘Gain Adjustment Procedure’
section for further details.)
POSITIONER OPERATION
The positioner schematic (Figure 1) shows an XL90
Series positioner connected for double-acting service
on a rotary rack-and-pinion actuator. Tension on the
feedback spring provides feedback to the positioner,
whichvaries asthestem positionchanges. Thespring-
loading force is applied through the feedback linkage
and cam to the positioner’s input capsule.
Instrument signal pressure is applied between the
diaphragms in the input capsule. Therefore, the input
capsule serves as a force-balance member, matching
thevalve stemposition (asmeasuredbytensiononthe
feedback spring) to the instrument signal.
XL90 Series
High-Performance
Positioner

48-2 Flowserve Corporation, Valtek Control Products, Tel. USA801 489 8611
INTEGRAL
ALIGNMENT
PIN
SECTION A-A
BRACKET
A
A
Figure 2: Positioner Mounting with
NAMUR shaft
Figure 3: Positioner mounting
Figure 1: XL90 Positioner Schematic for Air-to-Open
When the opposing forces balance exactly, the system
will be in equilibrium and the stem will be in the exact
position called for by the instrument signal. If the
opposing forces are not in balance, the input capsule
willmove upor downand,by meansof thepilot-valves,
willchange theoutput pressures,movingthe stemuntil
thetensionon thefeedbackspring exactlyopposesthe
instrument signal pressure.
Thesequenceofoperationisasfollows:Anincreasein
instrument signal pressure forces the input capsule
downward. Displacement of the capsule in turn moves
theflapperaway from the detectingnozzle.This allows
a larger flow rate through the nozzle, decreasing the
pressure exerted on the top of the pilot valve capsule.
Supplyairbiasesthepilot-valveinanupwarddirection.
As the capsule moves up, it will close the exhaust seat
of the upper pilot poppet and open the supply seat,
which applies increased air pressure to the bottom
cylinder port. At the same time, the pilot-valve capsule
will open the exhaust seat for the lower pilot poppet;
thus, decreasing pressure to the top cylinder port.
Thisdifferenceinpressurewilldrivethepistonoutward,
rotate the pinion and stretch the feedback spring until
the spring tension exactly opposes the force resulting
from the instrument signal pressure. At this point, the
flapper will be moved toward the detecting nozzle to
restorethepressureabovethepilot-valvecapsuletoits
equilibrium value. As a force-balanced condition is
approached,the pilot-valve capsulewillbe forcedback
toaneutralpositionwherethepilotsareneithersupply-
ingairto,norexhaustingairfrom,theirrespectivesides
of the piston.
Supply Seat
Upper Pilot
Poppet
Exhaust Seat
Port No. 1
Restriction
Supply
Pilot Valve
Capsule
Exhaust Seat
Port No. 2
Lower Pilot
Poppet
Supply Seat
Balance Adjustment Zero Adjustment
Range
Adjust Screws
Cam
Feedback
Spring
Input Capsule
Feedback
(shaft)
Flapper
Detecting
Nozzle
Instrument Signal
Upper Diaphragm
Lower Diaphragm
Piston
Cylinder
Cylinder

Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 48-3
A decrease in instrument signal pressure reverses the
described actions and causes a proportional inward
movement of actuator pistons and a reversal in pinion
direction.
Installation of XL90 Series Positioner on
Actuators
The XL90 can be installed on most sizes of rotary and
linear actuators. Actuators can be either double acting
or spring return. Cams can be used for direct acting or
reverse acting directions. These instructions apply to
rotary actuators only. For linear actuator mounting
instructions, consult the factory.
NOTE: For retrofitting to an actuator equipped
with an APEX positioner, the same bracket and
bolting may be used.
NOTE: NAMUR mounting is available with the
XL90positioner.WhenretrofittingtheXL90posi-
tionertoanactuatorequippedwithanotherposi-
tioner,removetheexistingpositioner,tubingand
associated bolting. See tubing instructions in
Connecting XL90 Positioner Ports section.
Mounting Instructions for XL90 with
NAMUR Shaft Connection
1. Mount the bracket to the actuator. Finger tighten
the bracket bolting.
2. If required, install a coupler on the actuator shaft.
Makesurethe shaft and couplerarecentered. See
Figure 2.
3. Verify the orientation of the actuator and coupler
flats match the positioner flats on the end of the
shaft. Loosen the cam if necessary. (See “Cam
Installation” instructions.)
4. Install the positioner onto the bracket. Make sure
positioner shaft and coupler are engaged and cen-
tered. Finger tighten positioner bolts.
5. Proceed to “Connecting XL90 Positioner Ports.”
Mounting Instructions for XL90
Positioner on Sereg Rotary Actuators
1. Mountthepositionertothetransfercaseplateinthe
proper orientation. Tighten the four bolts.
2. Loosen jam nut (see “Cam Installation” instructions).
3. Mount the follower arm, lockwasher and nut on the
end of the shaft and tighten nut. Carefully hold the
shaft with wrench on shaft flats.
4. With valve in closed position, make sure follower
pin lever is mounted parallel to valve lever, flush
with end of valve shaft and the nut is tight.
5. Place follower pin (mounted to the lever that is
mounted to the valve shaft) into follower arm slot
and bolt the transfer case plate in place finger tight
only. See Figure 3.
6. Orient the cam to align the “L” shaped line located
on the left side of the characteristic curve through
the middle of the span arm roller. (See Figure 5.)
The valve should be seated when this alignment is
done. (See “Cam Installation” instructions). For
correct cam characteristic, see Table I.
7. Proceed to “Connecting XL90 Positioner Ports”
instructions.
Connecting XL90 Positioner Ports
1. For double acting actuators, connect positioner
ports 1 and 2 to the actuator. Port 1 is always
connected to the actuator port used to drive the
actuator away from its start or fail position (the
factory cam setting is full clockwise at minimum
input signal).
NOTE:Forsingleacting,springreturnactuators,
plug output 2
2. Connect supply air to the port marked “SUPPLY”
3. Connect air (for pressure inputs) or instrument
tubing or wiring (for 4-20 mA inputs). For current
inputs, the terminal is marked (+) and (-) inside the
I/Pmodule.TheI/Pisfactorycalibratedandshould
not require adjustment. If adjustments are neces-
sary, see “Calibrating I/P Module Zero and Span
Settings” section.
CAUTION: Signal air pressure higher than 30 psi
may damage the module gauge and instrument
signal capsule; a 3-15 psi instrument signal is
recommended on the pneumatic module.
4. Stroke actuator/valve two or three times to align
positioner, coupler and actuator. With 50% input
(actuator/valveat45degrees),tightenallmounting
bolts. Stroke actuator/valve again to verify there is
no misalignment throughout the stroke.
5. Calibrate valve and adjust cam if necessary. (See
“Cam Installation” and “Positioner Calibration” in-
structions.
Figure 4: Alignment

48-4 Flowserve Corporation, Valtek Control Products, Tel. USA801 489 8611
Cam Removal: Disconnect cam return spring. With a
wrench carefully placed on the output shaft (if
necessary), loosen and remove the jam nut. Remove
pressure from the span arm by pushing it away from
the cam. Remove the cam.
Cam Installation:
1. A) For NAMUR shaft end connections make sure
shaft is properly aligned with coupler or actuator.
B)ForSeregactuators, makesurefollowerpinisin
follower arm groove.
2. Push span arm away from shaft to avoid pressure
on the cam.
3. Placecamoverthe shaftwiththeappropriatechar-
acteristic facing up and closest to the span arm
roller. For Sereg cams, see Table I. For Accord
cams, ‘D’ represents direct-acting and ‘R’ repre-
sents reverse acting.
4. A) For NAMUR shaft end connections, make sure
the round mark on the left hand side of the charac-
teristic curve is lined up with the span arm roller
bearing. See Figure 4.
B)ForSeregactuators,maresurethelineontheleft
hand side of the characteristic curve is lined up
through the middle of the span arm roller bearing.
See Figure 5.
5. Tighten jam nut making sure cam does not rotate.
Use a flat screwdriver to prevent cam rotation and
shaft flats to prevent shaft rotation (if necessary).
6. Connect supply pressure to port marked ‘Supply.’
7. Stroke actuator / valve two or three times to align
position with actuator. With a 50 percent input
signal,tightenallmountingbolts.Strokeactuatorto
verify proper alignment.
POSITIONER CALIBRATION
Introduction
Valtek positioners are calibrated at the factory; how-
ever,duetoshippingandhandling,itmaybenecessary
tocheck thecalibration beforeoperating thevalve.The
XL90 positioner can be calibrated to a range of 3-15;
two-way split range, 3-9, or 9-15; and three-way split
ranging, 3-7, 7-11, 11-15 psi using the standard feed-
back spring.
WARNING: When stroking the actuator during
calibration, keep hands, hair and clothing away
from moving parts. Failure to do so may cause
serious personal injury.
Note: Positioners and I/Ps are calibrated at the
factory. Use mechanical adjustments in posi-
tionerforcalibration.ZeroandspanonI/Pshould
not be used to calibrate the valve.
For calibration, proceed as follows:
1. For 3-15 or 3-9 psi range, loosen by hand the zero
adjustment locking knob and adjust zero adjust-
Table I: Cam Characteristic Identification Sereg
Figure 5: Alignment for Sereg Cams
ediuGmaC
rotautcAgereSRNXNLN
citsiretcarahCgulPraeniLolFxaMraeniLtnecrePlauqEraeniLtnecrePlauqE
noitisoPliaFesolCnepOesolCnepOesolCnepOesolCnepOesolCnepO
gnitcAtceriD renoitisoP
raeniLABNM AB
%lauqECEQPNMCEAB
doM%lauqE BA
gnitcAesreveR renoitisoP
raeniLBAMN BA
%lauqEECPQMNECBA
doM%lauqE AB

Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 48-5
mately75percentofsupplypressure.Forsingle-acting
actuators, the balance pressure should be left at the
factory setting. If it is necessary to adjust the output
pressure level, follow the procedure outlined:
1. Ifoutputpressurelevelislow,beforeadjusting,check
for leaks in tubing connections between positioner
and actuator and check supply pressure.
2. Make certain there is no process force or pressure
in the valve (Valve should be removed or isolated
from the process.)
3. On positioners without gauges, connect gauges to
‘output 1’and ‘output 2’lines.
4. Removerubbercapoverbalanceadjustment.(See
Figure 6.)
5. Apply full actuator operating pressure to positioner
supply port.
6. Setinputsignaltomidscale(9psifor3-15psispan).
Output pressure level cannot be adjusted with
actuator against valve seat or travel stops. Allow
actuator pressure to stabilize.
7. Observepressure gauges.If readingisnotcorrect,
turn balance adjustment screw about 1/8turn at a
time and wait about 20-30 seconds for pressure to
stabilize (counterclockwise to increase pressure).
Continue until output pressure level of the higher
pressure gauge is approximately 80 percent of
supply.
8. Replacerubbercapoverbalanceadjustmentscrew.
ment knob until valve begins to stroke with more
than3 psi signal (for9-15psi range adjustto9 psi).
2. Loosen range adjustment locking screw no more
than 1/8turn.
3. With a phillips screwdriver adjust the span adjust-
ment so valve is at full stroke with more than 15 psi
for3-15or 9-15 psi range(adjustto 9 psi for 3-9psi
range).
4. Return to 3 psi (or 9 psi for 9-15 psi range) and
check the zero. Repeat steps 1-4 if necessary.
5. Tightenzeroadjustmentlockknobandspanadjust-
ment lock knob.
6. Use the same procedure for three-way split range.
7. Connect Cam return spring. See Figure 6.
Positioner Balance Adjustment
CAUTION: Balance pressure is 75 percent of the
supply pressure and is the average pressure of
output ports 1 and 2. Balance is preset at factory.
However, if this adjustment becomes necessary,
carefully make the adjustment slowly, letting out
the positioner. Check to make sure balance pres-
sure is correct.
Balance adjustment is set at the factory and should not
needadjustment.Balanceadjustment(outputpressure
level) permits the equilibrium pressure in both sides of
theactuatorpistontoberaisedorlowered.Theaverage
actuator pressure level of output 1 and 2 is approxi-
Figure 6: Positioner Adjustments
Output 1
Zero Adjustment
Lock Knob
Cam Follower Arm
(Range Arm)
Output 2
Balance
Adjusting Screw
Feedback Spring
Pilot Relay
Assembly
Zero Adjustment
Knob
Span Adjustment
Feedback Spring
Arm
Span
Adjustment
Locking Screw
Cam
Orifice Screw
Cam Spring

48-6 Flowserve Corporation, Valtek Control Products, Tel. USA801 489 8611
FLOWSERVE
ZERO
MPC
SPAN
NOSERVICEABLE
INTERNALPARTS
Gain Adjustment Procedure
The unique gain adjustment on the XL90 positioner
provides a means to increase or decrease responsive-
nessofthevalve/actuator/positionersystem.Increas-
ing gain makes the valve more responsive and faster,
while decreasing gain makes the system less sensitive
and slower to respond (with increased damping).
Thegainisinfinitelyadjustablebetweenitshighestand
lowest settings. For convenience, three marks indicate
(H) high, (M) medium and (L) low gain. Most sizes of
actuators will respond well to a (M) setting. Unique
actuator / valve configurations may require a gain
adjustment at the factory or in the field.
1. Beforeadjustingthegain,placecontrolleronmanual
and isolate the valve from the process.
2. Turn off supply air to control valve actuator.
3. Using a 5/64-inch allen wrench, loosen both upper
and lower lock screws about one half turn. Do not
loosen the spacer nut. (See Figure 8.)
4. By grasping adjust lever, carefully rotate gain ad-
just assembly to desired position.
CAUTION: To avoid damaging gain adjust con-
necting spring mechanism. Make sure both up-
per and lower gain adjust plates rotate together.
When they are rotated to the new position, the
connectingspringshouldbeperpendiculartothe
plates.
5. When the gain is set to the desired position, firmly
tighten both lock-down screws.
6. Turn on supply pressure. Check actuator respon-
siveness by providing a step signal to positioner.
When gain is set as desired, check valve zero and
span calibration and re-calibrate if needed.
7. Return valve to service.
Calibrating I/P Module Zero and Span
Settings
NOTE:Althoughcalibrationcanbeaccomplished
using output pressure gauge on I/P module, its
accuracyis ± 3percent.Thestandardgaugeshould
be removed only for calibration and more accu-
Figure 8: Gain Adjustment
Upper
Lock Screw
Lower
Lock Screw
Adjust Lever
Spacer Nut
Figure 7: Close-up of Gain Adjustment
Figure 9: NT 3000 Circuit Board Module
(housing cover removed)
Current Loop (+)
Termination
Current Loop (-)
Termination Circuit Board
Mounting Screws
Grounding Screw
Zero Adjustment
Span Adjustment
Minimum Pressure
Cutoff Adjustment
RFI Can
Terminal Block
Spacer Nut
(Do not loosen)

Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 48-7
rate calibration equipment of ± 0.1 percent of
spanshouldbe used. Thepressuregauge port is
1
/8-inch NPT. Calibration manifolds are available
from the factory (Part No. 97370).
1. Connect I/P module to a supply pressure between
30 to 150 psi.
2. RemoveI/P modulehousing cover.(See Figure9.)
WARNING: Be certain power to I/P module is
disconnected before removing housing cover in
explosive atmospheres; otherwise personal in-
jury may occur.
3. Before adjusting the zero and span, be certain the
MPC feature is disabled. Refer to Step 7 in the
‘Adjusting the Minimum Pressure Cutoff Feature’
section.
4. Connect a current source to terminal block on
circuit board.
NOTE: The zero and span adjustments are multi-
turn potentiometers (pots) and have no stops on
theends of theirtravel; however,theyhave aslip
clutch to prevent damage from over-adjustment.
The pots also make a clicking noise when they
have reached adjustment limits.
5. Apply a 4.0 mA signal to the input. Locate and
adjustzero trimpot toachieve a3.0 psioutput.The
output will increase with clockwise rotation of the
zero trim pot. If calibrating an I/P module with a 10-
50mA inputsignal, applya 10.0mAsignal toinput.
6. Increase input signal to 20.0 mA (50 mA for 10-50
mA units). Locate and adjust span trim pot to
achieve a 15.0 psi output. The output will increase
with clockwise rotation of the span.
7. RecheckzerosettingbyrepeatingStep5.Thespan
adjustment may affect zero setting.
8. Repeat Steps 5, 6 and 7 until proper adjustments
are obtained.
Adjusting Minimum Pressure Cutoff
Feature
The XL90 positioner with I/P Transducer has a ‘Mini-
mum Pressure Cutoff’(MPC) feature, which allows the
user to set the positioner. When the input signal falls
below a user-adjustable current, the pressure output
falls rapidly to approximately 1.7 psi, causing the valve
to move to the failure position. This feature is generally
used when the service requires a tight shut off or to
prevent throttling near the valve seat. To adjust this
feature, refer to Figure 9 and perform the following:
NOTE:Thefollowingprocedureappliesonlywhen
theminimumpressurecutofffeaturewillbeused.
NOTE: The zero and span settings of both the
positioner and I/P transducer should be verified
as accuratebefore the minimum pressure cutoff
feature is enabled and adjusted.
1. ConnecttheI/Pmoduletoa30to150psiairsupply
pressure.
2. Remove the I/P module housing cover.
WARNING:BecertainpowertotheI/Pmoduleis
disconnected before removing the housing
coverinexplosiveatmospheres;otherwiseper-
sonal injury may occur.
3. Connect an adjustable current source to the termi-
nal block on the circuit board. Apply the desired
input signal to the positioner at which the output
pressure is to fall to approximately 1.7 psi. This
signalcanrangefromfactorysettingof3.7to8mA.
4. Turn the minimum pressure cutoff pot clockwise
until the output pressure drops off.
5. Fine-tunethe pressuredrop-offpoint byincreasing
the input signal and then decreasing it through the
desiredshut-off signal. Observethe signal valueat
which the pressure drops off. If the pressure drops
offatalowermA signal than desired, turn the MPC
pot counterclockwise. If the pressure drops off at a
higher signal than desired, turn the tight shut-off
screw clockwise.
6. Repeat Step 5 until the pressure drops off at the
desired input signal.
7. To disable the MPC feature turn the minimum
pressurecutoffpot(marked“MPC”)20turns coun-
terclockwise or until it makes a clicking noise.
Positioner Maintenance
NOTE: Refer to NT 3000 IOM for I/P module
maintenance instructions.
For proper maintenance, proceed as follows:
1. Maintain a clean air supply, free of dust, oil and
water. A coalescing air filter for I/P is required to
ensureacleanairsupply.Checkandmaintainfilter
regularly.
2. Make sure all arms and levers move freely.
3. Check for loose parts.
4. Be sure there are no leaks in the air supply tubing,
fittings or connections.
5. Refer to the troubleshooting chart on page 12 in
case of problems.
Pilot Relay Disassembly and Reassembly
The pilot relay is available as a complete unit and can
be easily replaced (See Steps 2 and 18.) Before at-
tempting to correct any problem with the pilot relay
assembly,obtainapositionerrepairkitthatcontainsthe
soft goods most commonly required.
NOTE: Numbers in parentheses correspond to
the numbers in Figure 16.
1. Remove the feedback spring (47) and rotate the
span and zero arms (40, 46) out of the way.

48-8 Flowserve Corporation, Valtek Control Products, Tel. USA801 489 8611
2. Remove four screws (33) holding the pilot relay to
positioner base (1). Remove relay from positioner.
3. Removethenut(25)connectingtheflapperassem-
bly (21) to the signal capsule.
4. Remove four screws (32) holding the two halves of
thepilotrelayassembly together. Carefully pull the
relay assembly halves apart, making sure the flap-
perassembly(21)slidesoffthe flapper adjustment
screw(19)withoutdamagingthesignal diaphragm
assembly (16). Pull the relay diaphragm assembly
(13) out of the other half of the relay body (9).
5. With the relay assembly in two sections, remove
two screws (22) holding flapper assembly (21) to the
relay diaphragm assembly (13). Remove flapper.
6. Remove diaphragm retaining plate (15) from relay
diaphragm assembly (13) and relay plate (14).
7. Replace relay diaphragm assembly (13) with one
from the positioner repair kit. Place the relay plate
(14)betweenthenewdiaphragms,makingsurethe
1/16-inchdiameterholesbetweentherelayplate(14)
and the diaphragm line up. Position diaphragm
retaining plate (15) on relay diaphragm assembly
with rounded inner diameter edge against dia-
phragm.
8. Attachflapperassembly (21)onto relaydiaphragm
assembly(13)using two screws (22) withalocking
adhesive on the threads. The flapper assembly
shouldextendawayfromthe1/16-inchdiameterhole
through the relay plate. Make sure lettering on
flapper assembly is facing away from diaphragm.
9. With relay halves still apart, remove relay tube O-
rings (8) from upper and lower bodies (9, 7) and
replace them with new O-rings (found in the posi-
tioner O-ring repair kit).
10. Remove rubber cap (35) and balance adjust screw
cap(36)from upper relay body (9). RemoveO-ring
(38) from balance adjust screw and install new O-
ring.
11. To remove and clean poppets (28), remove the
retainingrings (31),poppetcovers (27),O-rings (30),
and poppet springs (29) found at the end of each
housing.Afterremovingpoppets,inspectthemfordirt
buildup or damage to seating surfaces.
12. Theupperrelaybody(9)hasamovableseatring(34)
which is adjusted with the balance adjust screw (36).
This seat is removed by pushing it out with a soft
instrumentsuchasawoodendowel.Becarefulnotto
damage seating surface. Remove O-ring (37) from
seat ring.
13. Lubricate and replace O-ring (37) on movable seat
ring (34). Carefully reinstall seat ring into upper relay
body(9),beingcarefulnottodamageseatingsurface
or O-rings.
14. Reinstall poppets (28), poppet springs (29), Seat
Spring O-rings (30), and poppet covers (27) before
installing retaining rings (31).
15. If signal diaphragm assembly (16) is damaged, pro-
ceed as follows: With relay halves still apart, remove
four screws (32) holding signal diaphragm assembly
(16) to the pilot relay assembly. Remove locking
screw (23), washer (24), adjustable gain lower plate
(26),anddiaphragmplate.Removesignaldiaphragm
assembly (15) and remove relay plate (14) from
between the diaphragms. Place relay plate (14) be-
tween the diaphragms on the new assembly, taking
careto align the
1
/ 16 -inchdiameter holes betweenthe
diaphragms and the relay plate (14). Replace dia-
phragm plate (15), adjustable gain lower plate (26),
washer (24), and locking screw, but do not tighten.
Replace four screws (32) that hold signal diaphragm
assembly together.
16. PackO-ring grease intotheO-ring groove and lightly
lubricate the outside of the relay tube on diaphragm
relay assembly. (13) Make sure small end holes on
the side of the tube do not get plugged with grease.
Insert the relay diaphragm assembly (13) as as-
sembled in steps 7 and 8 into the lower relay half.
Carefully align the flapper over the adjustable gain
screw (19) and replace and tighten the nut (25).
17. Fastenthetwohalvesoftherelay togetherusingfour
long screws (32). Make sure the
1
/ 16 -inch diameter
holes in the relay diaphragm assembly (13) and the
upperrelaybody (9) lineup. Setgaintodesiredsetting
and tighten locking screws (23, 25). See gain adjust-
ment procedure.
18. Replacescreen (110) andO-rings (8,12)foundonthe
backofthepilotrelaybeforereinstallingthepilotrelay
on the base of the positioner with four screws (33).
Cleanoutanydebrislodgedinscreenorreplacewith
a new one.
19. Replace span arm and zero arm (40, 46) and feed-
back spring (47).
Installation, Operation and Maintence of
UltraSwitch position indicators
For detailed information, refer to the following Accord
controls bulletins:
•PS0008, PS0009, PS0031, PS0032, PS0033,
PS0034, PS0037 and PS0050

Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 48-9
Troubleshooting XL90 Positioners
Failure Probable Cause Corrective Action
Valve won’t 1.Tubing to wrong ports 1.Re-tube to correct ports (see ‘Installation’section)
stroke, no 2.Cam action reversed 2.Refer to ‘Installation’section and reverse cam
excessive air is 3.Lever is stuck 3.Work with lever arm until it turns freely
exhausting 4.Low air supply 4.Increase air supply to recommended value
from positioner 5.Relay tube stuck 5.Disassemble relay assembly and work relay tube free. Lightly
lubricate if necessary
6.Balance adjust screw not adjusted 6.Adjust balance pressure with adjusting screw
correctly
7.I/P module filter plugged 7.Remove I/P module and replace filter
8.I/P module failure 8.Replace I/P module
9.I/P mounting bolts loose 9.Tighten mounting bolts
10.I/P pressure signal blocked 10.Remove I/P module and clear passageway; replace O-ring if
necessary
Valve won’t 1.A diaphragm in relay assembly burst 1.Replace relay assembly or replace diaphragms
stroke, 2.One of the poppets is stuck 2.Remove relay assembly/poppet cover; free stuck poppet
excessive air 3.Internal control valve problem 3.Refer to instructions or check for actuator tubing leaks
exhausting 4.Damaged relay O-rings on relay tube 4. Disassemble relay and replace O-rings
from positioner 5.Blocked passageways in relay 5.Disassemble relay and check small holes under
diaphragms; clean if clogged
Actuator goes 1.Broken feedback spring 1.Replace feedback spring
to full signal 2.Linkage is disconnected or stuck 2.Check and tighten bolts/nuts in linkage. Make sure linkage
position does not hang up; grease pin that rides in follower arm slot
regardless of 3. Orifice is clogged by water, oil or 3.Remove orifice screw and carefully clean orifice hole
signal dust in air supply
4.Bent flapper, damaged nozzle 4.Straighten flapper or replace damaged parts
5.I/P module failure 5.Replace I/P module
6.Clogged orifice screen 6.Remove relay and clean or replace orifice screen
Calibration 1.Loose positioner mounting 1.Remove cover and check three screws holding positioner
shifts to bracket; check two bolts holding bracket to yoke
2.Loose linkage 2.Tighten nuts and bolts on linkage and stem clamp
3.Loose zero adjustment locking knobs 3.Tighten zero adjustment locking knob; re-calibrate if necessary
4.Wear of arms or pins 4.Replace worn arms, pins; grease appropriately
5.I/P mounting bolts loose 5.Tighten I/P mounting bolts
6.Stroke has changed in valve 6.Refer to valve maintenance instructions
Excessive air 1.Air leakage from manifold rings 1.Tighten screws holding relay assembly together and/or
consumption between relay and base replace O-rings
(other than 2.Air leakage from tubing 2.Tighten or replace tubing fittings
normal 3.Leaky cylinder piston O-rings 3.Replace O-rings in cylinder
exhaust) 4. Air leakage from relay 4.Disassemble relay and check and replace dynamic O-rings
next to tube if necessary
Actuator 1. Connection between signal capsule 1.Adjust gain according to Figure 8 or until actuator
strokes very and flapper misadjusted strokes approximately equal speed in both directions. Verify
slowly in one alignment of upper and lower gain plates. Make sure spacer
direction only nut is tightened
2.Tubing to cylinder is restricted 2.Inspect tubing/fittings for restrictions and replace if necessary
3.Balance pressure low 3.Adjust balance pressure according to page 5
Erratic 1. Dirt buildup on relay poppets or seats 1.Disassemble; clean poppets and seats; add air or change filter
operation 2.Dirt buildup on relay tube 2.Disassemble; clean relay and lightly lubricate; replace
O-rings if necessary; add air filter or change filter
3.Clogged ports /passageways in relay 3.Disassemble, inspect and clean all ports and passageways
4.Faulty I/P module 4. Replace the I/P module
5.Clogged orifice screw 5.Remove orifice screw and carefully clean orifice
6.Mechanical binding in linkage or 6.Tighten linkage or refer to valve maintenance instructions
internal galling in valve
7.Clogged orifice screen 7.Remove relay and clean or replace orifice screen
Excessive 1.Restricted air flow to positioner 1. Adjust air supply as needed
overshoot 2.Balance pressure not set correctly 2.Adjust balance pressure according to page 5.
3.Gain is set too high 3.Lower gain mechanism until overshoot is minimized

48-10 Flowserve Corporation, Valtek Control Products, Tel. USA801 489 8611
XL90
121
119
116
118
120
2
3
117
73 72
119
118
2
3
107
67
66
69
69
116
128
51
112 52
112
131
27
30 29
33 28
56 8
12 7815 13 14 12
110
8
934 37
28 29 39
30
27 31
57
33
10
11
35
33
38
36
8
22
32
15
14 16 26
32 24
23
17 1819
21
25
46
45
50
49
48
47
43 106
44
45
40
117
6
OPTIONAL ULTRADOME ASSEMBLY
Figure 16: XL90 Positioner — Exploded View — Accord Cam
1 Base assembly
2 Cover
3 Screw
6 Pressure gauge 0-160 psi
7 Bottom relay assembly
8 O-ring
9 Upper relay assembly
10 Orifice screw
11 O-ring
12 O-ring
13 Relay diaphragm assembly
14 Relay plate
15 Diaphragm retaining plate
16 Signal diaphragm assembly
17 Set screw
18 Spring
19 Set screw
20 Nut
21 Adjustable gain upper plate
22 Pan head screw
23 Socket screw
24 Washer
25 Spacer nut
26 Adjustable gain lower plate
27 Poppet cover
28 Poppet
29 Poppet spring
30 O-ring
31 Retaining ring
32 Screw
33 Screw
34 Adjustable seat
35 Rubber cap
36 Balance adjust screw
37 O-ring
38 O-ring
39 Adjustable seat spring
40 Span arm
43 Pivot bushing
44 Pivot screw
45 Snap ring
46 Zero arm
47 Feedback spring
48 Pivot block
49 Adjust zero knob
50 Zero locking knob
51 Return spring
52 Cam shaft
53 Cam
55 Nut
56 Screw
57 O-ring
66 Pneumatic adapter
67 Screw
69 O-ring
72 I/P module
73 Screws
106 Washer
107 Signal guage
110 Orifice screen
112 Snap ring
116 Rotor or indicator
117 O-ring
118 O-ring
119 Dome
120 Adapter shaft
121 Screw
128 Jam nut
All of the above parts are in stock and can be purchased in a spare parts kit. For selecting and ordering the appropriate kit
or a new positioner, contact your Flowserve representative or the factory.

Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 48-11
XL90
121
119
116
118
2
3
117
73 72
119
118
2
3
107
67
66
69
69
116
128
51112 52
112
131 27 30 29
33 28
56 812 7815 13 14 12
110
8
934 37
28 29 39
30
27 31
57
33
10
11
35
33
38
36
8
22
32
15
14 16 26
32 24
23
17 1819
21
25
46
45
50
49
48
47
43 106
44
45
40
117
6
OPTIONAL ULTRADOME ASSEMBLY
*
126
127
125
Figure 17: XL90 Positioner — Exploded View — Sereg Cam
All of the above parts are in stock and can be purchased in a spare parts kit. For selecting and ordering the appropriate kit
or a new positioner, contact your Flowserve representative or the factory. *Consult factory for parts.
1 Base assembly
2 Cover
3 Screw
6 Pressure gauge 0-160 psi
7 Bottom relay assembly
8 O-ring
9 Upper relay assembly
10 Orifice screw
11 O-ring
12 O-ring
13 Relay diaphragm assembly
14 Relay plate
15 Diaphragm retaining plate
16 Signal diaphragm assembly
17 Set screw
18 Spring
19 Set screw
20 Nut
21 Adjustable gain upper plate
22 Pan head screw
23 Socket screw
24 Washer
25 Spacer nut
26 Adjustable gain lower plate
27 Poppet cover
28 Poppet
29 Poppet spring
30 O-ring
31 Retaining ring
32 Screw
33 Screw
34 Adjustable seat
35 Rubber cap
36 Balance adjust screw
37 O-ring
38 O-ring
39 Adjustable seat spring
40 Span arm
43 Pivot bushing
44 Pivot screw
45 Snap ring
46 Zero arm
47 Feedback spring
48 Pivot block
49 Adjust zero knob
50 Zero locking knob
51 Return spring
52 Cam shaft
53 Cam
55 Nut
56 Screw
57 O-ring
66 Pneumatic adapter
67 Screw
69 O-ring
72 I/P module
73 Screws
106 Washer
107 Signal guage
110 Orifice Screen
112 Snap ring
116 Rotor or indicator
117 O-ring
118 O-ring
119 Dome
120 Adapter shaft
121 Screw
125 Cam, reverse acting
126 Clamp
127 Screw
128 Jam nut

48-12 Flowserve Corporation, Valtek Control Products, Tel. USA801 489 8611
evreswolF )9991/10/40(metsySgnirebmuNtraP09LX
XIFERP )5etonees( BM yxopEkcalB-erutcafunaMxamotuA
WM yxopEedarGdooFetihW-erutcafunaMxamotuA
BA yxopEkcalB-erutcafunaMdroccA
WA yxopEedarGdooFetihW-erutcafunaMdroccA
WS yxopEetihW-erutcafunaMgereS
WV yxopEetihW-erutcafunaMketlaV
LEDOMTUPNI 09 isp51-3tupnIcitamuenP
19 0003TNesopruPlareneG—Am02-4tupnIcitamuenP-ortcelE
ASC/MF 29 )0003TNefaS.snirtnIdnafoorPnoisolpxE—Am02-4tupnIcitamuenP-ortcelE
celeneC 39 0003TN)foorPnoisolpxE(dxEE—Am02-4tupnIcitamuenP-ortcelE
celeneC 49 0003TN)efaSyllacisnirtnI(bixEE&aixEE—Am02-4tupnIcitamuenP-ortcelE
NOITACIDNI 1 )dradnatS(rotacidnIneerGhtiwsneLtalF
UrotacidnIneerGhtiwemodartlU
T)tikgnitnuomhctiwSartlUsedulcni(hctiwSartlUrumaNdetnuom-potrofrevoC
SEGAG 2 )dradnatS(gnittiFssarBhtiwsegaGleetSsselniatS3
3)dradnatS(gnittiFssarBhtiwegaGleetSsselniatS2
4segaGleetSsselniatS3
5egaGleetSsselniatS2
6segaGoN
ERUTAREPMET 7 )sdoogtfosN-anuB(erutarepmeTdradnatS
8)sdoogtfosenocilisoroulF(erutarepmeTdednetxE
MAC A maCraeniLdroccA
BmaCraeniLeergeD09&,06,54,03droccA
CmaC)repmaD(tooRerauqS,erauqS,raeniLdroccA
D)sevlaVylfrettuB(maCeergeD06-0droccA
ErotautcAmgarhpaiD-maC%=dnaraeniLgereS
FrotautcAnotsiP-maCraeniLketlaV
DAERHTTIUDNOC NOITCENNOC P)dradnatS(TPN"2/1
RsdaerhT02M
)woleb4-1setoneeS(DEDEENSASNOITPODDA
STUPTUOGOLANA F rettimsnarTAm02-4
–ro–
SEHCTIWSTIMILLANRETNI J smaCnoituloseRhgiHhtiwsehctiwSlacinahceMTDPS-2
KsehctiwSlacinahceMTDPS-2
MsehctiwSytimixorPTSPS-2
NsehctiwSytimixorPTDPS-2
QsehctiwSdeeRevidnecnI-noN-2
RsehctiwSytimixorPetatSdiloSefaSyllacisnirtnI-2
:setoN .ylsuoenatlumisdesuebtonnacrettimsnartlanretninadnasehctiwstimillanretnI.1 .desuebtsum19rebmunledomtupni,recudsnartP/InahtiwdesueraQro,N,M,K,J,FsnoitponehW.2 .desuebtsum49ro29srebmunledomtupni,recudsnartP/InahtiwdesusiRnoitponehW.3 .tnemnorivnefoorpnoisolpxenanidesuebtonnacrettimsnartlanretninarosehctiwstimillanretnI.4 ).TnoitpoesU(.renoitisopehtfopotnodetnuomyamhctiwSartlUfoorpnoisolpxeeht,evitanretlanasA ”D“elbuoD,srenoitisopdroccAdnaxamotuArofdradnatserasnoitcennocdnetfahsrumaN.5 .dradnatssihtotsnoitpecxerofyrotcaftcatnoC.srenoitisopketlaVdnagereSrofdradnatserasnoitcennocdnetfahs

Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 48-13
General Spare Part Kits
67587001.oNtraP—tiKgnir-OdradnatS .oNmetInoitpircseDytitnauQ
8dnagnir-Oesab/yaleR gnir-Oebutyaler 6
11gnir-OwercsecifirO1
21gnir-Oesab/yaleR2
03gnir-OreniateryaleR2
73gnir-OtaeselbatsujdA1
83gnir-OwercselbatsujdA1
75gnir-OecafecifirO1
96gnir-OlangistupnI2
711gnir-OrevoC1
87587001.oNtraP—tiKmgarhpaiDdradnatS .oNmetInoitpircseDytitnauQ
31 ylbmessamgarhpaidyaleR ,97,87.oNmetisedulcnI( )38,28,18,08 1
61 mgarhpaidlangiS metisedulcnI(ylbmessa )68,58,38,08,97,87.oN 1
70966001.oNtraP—tiKyaleRdradnatS .oNmetInoitpircseDytitnauQ
96 sedulcnI(ylbmessayaleR ,07,75,65,93-8.soNmeti )77,67,47,37,27 1
8gnir-O4
33wercsdaehnaP4
—noitcennoCdnEDelbuoD,tiKtfahS 93999001.oNtraP .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
801tuNmaJ1
45rehsaWkcoL1
55tuN1
08167001.oNtraP—tiKyaleR.pmeT.txE .oNmetInoitpircseDytitnauQ
96 sedulcnI(ylbmessayaleR ,07,75,65,93-8.soNmeti )77,67,47,37,27 1
8gnir-O4
33wercsdaehnaP4
77587001.oNtraP—tiKgnir-O.pmeT.txE .oNmetInoitpircseDytitnauQ
8dnagnir-Oesab/yaleR gnir-Oebutyaler 6
11gnir-OwercsecifirO1
21gnir-Oesab/yaleR2
03gnir-OreniateryaleR2
73gnir-OtaeselbatsujdA1
83gnir-OwercselbatsujdA1
75gnir-OecafecifirO1
96gnir-OlangistupnI2
08587001.oNtraP-tiKmgarhpaiD.pmeT.txE .oNmetInoitpircseDytitnauQ
31 ylbmessamgarhpaidyaleR ,97,87.oNmetisedulcnI( )38,28,18,08 1
61 mgarhpaidlangiS metisedulcnI(ylbmessa )68,58,38,08,97,87.oN 1
—etihW,emodartlU,tiKrevoC 43010101.oNtraP .oNmetInoitpircseDytitnauQ
2revoC1
3wercS4
711gnir-O1
911emoD1
221rotoR,rekcitS1
021tfahSretpadA1
121wercS4
811gnir-O1
611rotoR1
—kcalB,emodartlU,tiKrevoC 94010101.oNtraP .oNmetInoitpircseDytitnauQ
2revoC1
3wercS4
711gnir-O1
911emoD1
221rotoR,rekcitS1
021tfahSretpadA1
121wercS4
811gnir-O1
611rotoR1

48-14 Flowserve Corporation, Valtek Control Products, Tel. USA801 489 8611
Electronic Spare Part Kits
WARNING:INTERNALELECTRONICKITSCANNOT
BE USED IN APPLICATIONS REQUIRING EXPLO-
SION-PROOF COMPONENTS.
As an alternative, the explosion-proof UltaSwitch posi-
tion indicator may be mounted to the top of the posi-
tioner.Consult yourlocalFlowserverepresentativefor
ordering information.
Manufacturer-specific Spare Part Kits
—noitcennoCdnERUMAN,tiKtfahS 44999001.oNtraP .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
42966001.oNtraP—tiKgnirpSkcabdeeF .oNmetInoitpircseDytitnauQ
74 ylbmessagnirpskcabdeeF 401,301.soNmetisedulcnI() 1
84kcolbtoviP1
94bonktnemtsujdA1
05bonkkcoL1
12751101.oNtraP—tiKmaCgereS .oNmetInoitpircseDytitnauQ
15maCgnitcAtceriD1
521maCgnitcAesreveR1
621pilCrevoCmaC1
721wercS1
031gnirpSmaC1
131wercS1
231maC,rekcitS1
—gereS,etihW,sneL,tiKrevoC 59851101.oNtraP .oNmetInoitpircseDytitnauQ
2revoC1
3wercS4
711gnir-O1
911sneLgereS1
611rotacidnI1
811gnir-O1
—droccA,kcalB,sneL,tiKrevoC 89851101.oNtraP .oNmetInoitpircseDytitnauQ
2revoC1
3wercS4
711gnir-O1
911sneLdroccA1
611rotacidnI1
811gnir-O1
—ketlaV,etihW,sneL,tiKrevoC 02751101.oNtraP .oNmetInoitpircseDytitnauQ
2revoC1
3wercS4
711gnir-O1
911sneLketlaV1
611rotacidnI1
811gnir-O1
—xamotuA,kcalB,sneL,tiKrevoC 99851101.oNtraP .oNmetInoitpircseDytitnauQ
2revoC1
3wercS4
711gnir-O1
911sneLxamotuA1
611rotacidnI1
811gnir-O1
tfahSDelbuoD,tuptuOAm02-4,tiKrettimsnarT 00951101.oNtraP—noitcennoCdnE .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
45rehsaWkcoL1
55tuN1
031 sedulcnI(tiKscinortcelE draobtiucric,raegtfahs )swercsgnitnuomdna 1

Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 48-15
tfahSRUMAN,tuptuOAm02-4,tiKrettimsnarT 50951101.oNtraP—noitcennoCdnE .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
031 sedulcnI(tiKscinortcelE draobtiucric,raegtfahs )swercsgnitnuomdna 1
,tiKhctiwStimiLlacinahceMnoituloseRhgiH —noitcennoCdnEtfahSDelbuoD 60951101.oNtraP .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
45rehsaWkcoL1
55tuN1
031
sedulcnI(tiKscinortcelE tiucric,gnirps,smactfahs gnitnuomdnadraob )swercsdnasrecaps
1
,tiKhctiwStimiLlacinahceMnoituloseRhgiH —noitcennoCdnEtfahSRUMAN 70951101.oNtraP .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
031
sedulcnI(tiKscinortcelE tiucric,gnirps,smactfahs gnitnuomdnadraob )swercsdnasrecaps
1
dnEtfahSDelbuoD,tiKhctiwStimiLlacinahceM 90951101.oNtraP—noitcennoC .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
45rehsaWkcoL1
55tuN1
031
sedulcnI(tiKscinortcelE tiucric,gnirps,smactfahs gnitnuomdnadraob )swercsdnasrecaps
1
dnEtfahSRUMAN,tiKhctiwStimiLlacinahceM 01951101.oNtraP—noitcennoC .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
031
sedulcnI(tiKscinortcelE tiucric,gnirps,smactfahs gnitnuomdnadraob )swercsdnasrecaps
1
tfahSDelbuoD,TSPS,tiKhctiwStimiLytimixorP 41951101.oNtraP—noitcennoCdnE .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
45rehsaWkcoL1
55tuN1
031
sedulcnI(tiKscinortcelE ,stengam,smactfahs dnadraobtiucric,gnirps dnasrecapsgnitnuom )swercs
1
tfahSRUMAN,TSPS,tiKhctiwStimiLytimixorP 51951101.oNtraP—noitcennoCdnE .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
031
sedulcnI(tiKscinortcelE stengam,smactfahs dnadraobtiucric,gnirps dnasrecapsgnitnuom )swercs
1
tfahSDelbuoD,TDPS,tiKhctiwStimiLytimixorP 61951101.oNtraP—noitcennoCdnE .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
45rehsaWkcoL1
55tuN1
031
sedulcnI(tiKscinortcelE ,stengam,smactfahs dnadraobtiucric,gnirps dnasrecapsgnitnuom )swercs
1

FCD VLAIM048-00 ©1999 Flowserve Corporation. Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Flowserve Corporation has established industry leadership in the design and manufacture of its products. When properly selected, this
Flowserve product is designed to perform its intended function safely during its useful life. However, the purchaser or user of Flowserve
products should be aware that Flowserve products might be used in numerous applications under a wide variety of industrial service
conditions. Although Flowserve can (and often does) provide general guidelines, it cannot provide specific data and warnings for all
possible applications. The purchaser/user must therefore assume the ultimate responsibility for the proper sizing and selection, installa-
tion, operation and maintenance of Flowserve products. The purchaser/user should read and understand the Installation Operation
Maintenance (IOM) instructions included with the product, and train its employees and contractors in the safe use of Flowserve products in
connection with the specific application.
While the information and specifications presented in this literature are believed to be accurate, they are supplied for informative purposes
only and should not be considered certified or as a guarantee of satisfactory results by reliance thereon. Nothing contained herein is to be
construed as a warranty or guarantee, express or implied, regarding any matter with respect to this product. Because Flowserve is
continually improving and upgrading its product design, the specifications, dimensions and information contained herein are subject to
change without notice. Should any question arise concerning these provisions, the purchaser/user should contact Flowserve Corporation
at any of its worldwide operations or offices.
For more information, contact: For more information about Flowserve and its products,
contact www.flowserve.com or call USA 972 443 6500
Regional Headquarters
1350 N. Mt. Springs Prkwy.
Springville, UT 84663
Phone [phone]
Facsimile 801 489 3719
12 Tuas Avenue 20
Republic of Singapore 638824
Phone [phone]
Facsimile (65) 862 4940
12, av. du Québec, B.P. 645
91965, Courtaboeuf Cedex, France
Phone [phone]
Facsimile (33 1) 60 92 32 99
Quick Response Centers
5114 Railroad Street
Deer Park, TX 77536 USA
Phone [phone]
Facsimile 281 479 8511
104 Chelsea Parkway
Boothwyn, PA 19061 USA
Phone [phone]
Facsimile 610 497 6680
1300 Parkway View Drive
Pittsburgh, PA 15205 USA
Phone [phone]
Facsimile 412 787 1944
Flowserve and Valtek are registered trademarks of Flowserve Corporation.
,tiKhctiwStimiLytimixorPefaSyllacisnirtnI —noitcennoCdnEtfahSRUMAN 02951101.oNtraP .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
031
sedulcnI(tiKscinortcelE stengam,smactfahs dnadraobtiucric,gnirps dnasrecapsgnitnuom )swercs
1
tfahSRUMAN,TDPS,tiKhctiwStimiLytimixorP 71951101.oNtraP—noitcennoCdnE .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
031
sedulcnI(tiKscinortcelE stengam,smactfahs dnadraobtiucric,gnirps dnasrecapsgnitnuom )swercs
1
,tiKhctiwStimiLytimixorPefaSyllacisnirtnI —noitcennoCdnEtfahSDelbuoD 91951101.oNtraP .oNmetInoitpircseDytitnauQ
25tfahSmaC1
211gniRgniniateR2
821tuNmaJ1
45rehsaWkcoL1
55tuN1
031
sedulcnI(tiKscinortcelE ,stengam,smactfahs dnadraobtiucric,gnirps dnasrecapsgnitnuom )swercs
1