Vlai045 05
Vlai045 05
Vlai045 05
High-Performance
Positioner
GENERAL INFORMATION
This bulletin is designed to assist in installing, calibrat- use the I/P NT 3000 Transducer. The I/P 2000 Trans-
ing, troubleshooting and performing maintenance as ducer is not acceptable for use with the XL Series
required for the Valtek® XL Series high-performance Positioner.
positioner. The XL positioner can handle supply pressures up to
Product users and maintenance personnel should thor- 150 psi; thus, a supply regulator is usually not required.
oughly read and strictly follow the instructions con- However, a five micron air filter is required for pneu-
tained in this bulletin prior to operating the positioner. matic positioners and a coalescing filter is required for
Any questions concerning this product should be di- I/P positioners.
rected to a Flowserve representative. NOTE: The air supply should conform to ISA
Standard ISA - 7.0.01 (a dew point at least 18° F / -
To avoid possible injury to personnel or dam-
8° C below ambient temperature, particle size
age to valve parts, WARNING and CAUTION
below 5 microns, oil content not to exceed one
notes must be strictly followed. Modifying this
part per million).
product, substituting non-factory parts or us-
ing maintenance procedures other than out- The XL Series positioner features an adjustable gain of
lined could drastically affect performance and 400-1100:1. The medium gain setting is standard on
be hazardous to personnel and equipment. size 25 actuators, while the high gain setting is standard
on size 50 and larger actuators (refer to ‘Gain Adjust-
WARNING: This product has electrical conduit con- ment Procedure’ section for further details.)
nections in thread sizes 0.5-inch NPT and M20
All positioners come with one of two types of cams:
which appear identical but are not interchangeable.
a linear characteristic cam for use on linear actuators or
Forcing dissimilar threads together will damage
a combination linear / modified equal percentage
equipment, cause personal injury and void hazard-
characteristic cam for rotary actuators. Refer to the
ous location certifications. Conduit fittings must
‘Rotary Actuator Cam Characteristic’ chart on page 4 for
match equipment housing threads before installa-
specific installed characteristics.
tion. If threads do not match, obtain suitable adapt-
ers or contact a Flowserve office. POSITIONER OPERATION
The XL high-performance positioner is a two-stage The positioner schematic (Figure 1) shows an XL Series
device and is designed for use in control loops where positioner connected for double-acting service on a
fast response is required. The XL positioner is designed linear actuator. Tension on the feedback spring pro-
to be modular and use the P/P module for 3-15 psi input vides feedback to the positioner, which varies as the
signal or the NT 3000 Series Transducer Module for stem position changes. The spring-loading force is
4-20 mA input signal. applied through the feedback linkage and cam to the
The XL high-performance positioner is designed as a positioner’s input capsule.
four-way device, but can easily be converted to a three-
Instrument signal pressure is applied between the dia-
way device by plugging one of the output ports.
phragms in the input capsule. Therefore, the input
NOTE: The XL high-performance positioner must capsule serves as a force-balance member, matching
45-2 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
9. If necessary, adjust the height of the stem clamp so
Roller the first line of the cam aligns with the center of the
Bearing cam roller-bearing when the valve is seated. (See
Figure 4.) Tighten the stem clamp.
10. For air-to-open action, tube ‘output 2’ to the top of
cylinder and ‘output 1’ to the bottom of cylinder. For
Cam
air-to-close action, tube ‘output 1’ to top of cylinder
and ‘output 2’ to the bottom of the cylinder.
Cam NOTE: For three-way diaphragm actuators plug
Start output 2, tube output 1 to desired side of
Position
Follower Arm
diaphragm.
11. Attach supply air and instrument tubing or wiring.
Figure 4: Cam Alignment CAUTION: Signal air pressure higher than 30
psi may damage the module gauge and instru-
NOTE: For retrofitting to an actuator equipped with ment signal capsule; a 3-15 psi instrument sig-
a Beta or 80R positioner, the same bracket, follower nal is recommended on the pneumatic module.
arm and take-off arm can be used (begin with step 4).
Reversing Air Action of XL Series
NOTE: When retrofitting the XL positioner to an
actuator equipped with other positioners, remove Positioners on Linear Actuators
the existing positioner, tubing and associated bolt- Reversing the air-action of the positioner is simple. No
ing. See tubing instructions in Step 10. additional parts are required, although the tubing will
1. Place the stem clamp onto the actuator stem with need to be rerouted on the linear actuator.
the boss on the right side as illustrated in Figure 1. To reverse the air-action of XL series positioners on all
2. Mount positioner bracket to the yoke leg which has sizes of linear actuators, proceed as follows:
the stroke indicator plate attached. (See Figure 2.) 1. Using the ‘Spring Cylinder Linear Actuators’ Instal-
3. Mount the take-off arm on the stem clamp so the lation, Operation, Maintenance Instructions, reverse
slots in the end of the arm step upward toward the the air-action of the actuator.
cylinder. The holes in the follower arm should line 2. Disengage the return spring from the cam and
up with the slots in the take-off arm. remove the cam from the cam shaft.
4. For air-to-retract action, install the cam in the posi- 3. Reverse the cam, return spring and tubing for the
tioner, with L-R facing outward. For air-to-extend desired air-action by referring to Steps 4-8 in the
action, L-D side of the cam should face outward. ‘Installation of XL Series Positioner on Linear Ac-
When installing the cam, position it so the center tuators’ section of these instructions.
mark on the cam lines up through the center of the
cam roller-bearing on the cam follower arm with the Installing XL Series Positioner on Rotary
follower arm perpendicular to the base of the posi- Actuators
tioner. (See Figures 3 and 4.) Apply a small amount
Proceed as follows when installing the XL Series posi-
of grease to the bent end of the return spring and tioner on all sizes of rotary actuators if the cam and
feed it through the hole in the cam. Loop the other follower arm are not already installed, otherwise refer
end of the return spring over the screw and screw it directly to step 7.
into the positioner base.
1. With the desired cam and its identification letter
NOTE: Screw head will not bottom out. facing toward the cam shaft, slide the cam onto the
5. Feed the appropriate follower arm onto the cam end of the cam shaft with the shorter shoulder. (Refer
shaft boss with the hole markings facing outward. to Table I to determine desired cam characteristic.)
Secure with the lockwasher and nut. (See Figure 7.) Fasten with the star lock washer and nut.
6. Fasten the follower pin into the correct hole in the
Table I:
follower arm for the desired stroke length of the trim.
(Stroke lengths are stamped on the follower arm.) Rotary Actuator Cam Characteristic Chart
7. Feed the follower pin into the appropriate slot in the Valve Style Characteristic Air To
take-off arm. (See Figure 4.) Tighten the nut on the Open Close
Modified Equal
pin and grease the slot where the pin rides. SST/VLD
Percentage B C
NOTE: A light industrial grease is recom-
mended. Failure to lubricate the pin can cause SST/VLD Linear C B
premature wear. Modified Equal
CAM1 CAM2
8. Using three screws, mount the positioner to the MaxFlo Percentage
brackets as shown in Figure 2. Linear CAM1 CAM2
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 45-3
positioner. Figures 11 through 16 show the shaft
Follower rotation versus instrument signal of a valve (Valdisk,
Pin ShearStream or MaxFlo). These graphs should be
used when visually checking the valve shaft rotation
Follower
Arm versus positioner signal relationship.
45-4 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Output 1
Zero Adjustment
Knob
Zero Adjustment
Lock Knob
Span Adjustment
Cam Follower
Feedback Spring
Arm (Range Arm)
Arm
Output 2
Span
Adjustment
Balance
Locking Screw
Adjusting
Screw
Cam
Feedback
Orifice Screw
Spring
Pilot Relay
Assembly
Supply Port
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 45-5
Spacer Nut
(Do not
loosen)
Upper
Lock Screw
Lower
Lock Screw
45-6 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
1. Connect the I/P module to a supply pressure be- 2. Remove the I/P module housing cover.
tween 30 to 150 psi. WARNING: Be certain power to the I/P module is
2. Remove I/P module housing cover. (See Figure 10.) disconnected before removing the housing
cover in explosive atmospheres; otherwise per-
WARNING: Be certain power to the I/P module is
sonal injury may occur.
disconnected before removing the housing
cover in explosive atmospheres; otherwise per- 3. Connect an adjustable current source to the termi-
sonal injury may occur. nal block on the circuit board. Apply the desired
3. Before adjusting the zero and span, be certain the input signal to the positioner at which the output
MPC feature is disabled. Refer to Step 7 in the pressure is to fall to approximately 1.7 psi. This
‘Adjusting the Minimum Pressure Cutoff Feature’ signal can range from factory setting of 3.7 to 8 mA.
section. 4. Turn the minimum pressure cutoff pot clockwise
4. Connect a current source to the terminal block on until the output pressure drops off.
the circuit board. 5. Fine-tune the pressure drop-off point by increasing
NOTE: The zero and span adjustments are the input signal and then decreasing it through the
multi-turn potentiometers (pots) that have no desired shut-off signal. Observe the signal value at
stops on the ends of their travel; however, they which the pressure drops off. If the pressure drops
have a slip clutch to prevent damage from over- off at a lower mA signal than desired, turn the MPC
adjustment. The pots also make a clicking pot slightly counterclockwise. If the pressure drops
noise when they have reached the limits of their off at a higher signal than desired, turn the tight
adjustment. shut-off screw slightly clockwise.
5. Apply a 4.0 mA signal to the input. Locate and 6. Repeat Step 5 until the pressure drops off at the
adjust the zero trim pot to achieve a 3.0 psi output. desired input signal.
Output will increase with clockwise rotation of zero 7. To disable the MPC feature turn the minimum
trim pot. If calibrating an I/P module with a 10-50 mA pressure cutoff pot (marked ‘MPC’) 20 turns coun-
input signal, apply a 10.0 mA signal to the input. terclockwise or until it makes a clicking noise.
6. Increase the input signal to 20.0 mA (50 mA for 10-
50 mA units). Locate and adjust the span trim pot to Positioner Maintenance
achieve a 15.0 psi output. The output will increase NOTE: Refer to NT 3000 IOM for I/P module mainte-
with clockwise rotation of the span. nance instructions.
7. Recheck the zero setting by repeating Step 5. The For proper maintenance, proceed as follows:
span adjustment may affect the zero setting.
1. Maintain a clean air supply, free of dust, oil and
8. Repeat Steps 5, 6 and 7 until the proper adjust- water. A coalescing air filter for I/P is required to
ments are obtained. ensure a clean air supply. Check and maintain filter
regularly.
Adjusting the Minimum Pressure Cutoff 2. Make sure all arms and levers move freely.
Feature 3. Check for any loose parts.
The XL positioner with I/P Transducer has a ‘Minimum 4. Be sure there are no leaks in the air supply tubing
Pressure Cutoff’ (MPC) feature, which allows the user fittings or connections.
to set the positioner so when the input signal falls below
a user-adjustable current the pressure output falls rap- 5. Refer to the troubleshooting chart on page 12 in
idly to approximately 1.7 psi, causing the valve to move case of problems.
to the failure position. This feature is generally used NOTE: The two Phillips screws on the back of
when the service requires a tight shut off or to prevent the positioner base are for factory assembly
throttling near the valve seat. To adjust this feature, only and should not be removed.
refer to Figure 10 and perform the following steps:
NOTE: The following procedure applies only if the Pilot Relay Disassembly and Reassembly
minimum pressure cutoff feature will be used. The pilot relay is available as a complete unit and can
NOTE: The zero and span settings of both the be easily replaced. (See Steps 2 and 18.) Before
positioner and I/P transducer should be verified as attempting to correct any problem with the pilot relay
accurate before the minimum pressure cutoff fea- assembly, obtain a positioner repair kit that contains the
ture is enabled and adjusted. soft goods most commonly required.
1. Connect the I/P module to a 30 to 150 psi air supply NOTE: Numbers in parentheses correspond to the
pressure. numbers in Figure 17.
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 45-7
1. Remove the feedback spring (47) and rotate the 14. Reinstall the poppets (28), poppet springs (29),
span and zero arms (40, 46) out of the way. Seat Spring O-rings (30), and poppet covers (27)
2. Remove four screws (33) holding the pilot relay to before installing retaining rings (31).
positioner base (1). Remove relay from positioner. 15. If the signal diaphragm assembly (16) is damaged,
3. Remove the nut (25) connecting the flapper assem- proceed as follows: With the relay halves still apart,
bly (21) to the signal capsule. remove the four screws (32) holding the signal
diaphragm assembly (16) to the pilot relay assem-
4. Remove four screws (32) holding the two halves of bly. Remove the locking screw (23), washer (24),
the pilot relay assembly together. Carefully pull the adjustable gain lower plate (26), and diaphragm
relay assembly halves apart, making sure the flap- plate. Remove the signal diaphragm assembly (15)
per assembly (21) slides off the flapper adjustment and remove the relay plate (14) from between the
screw (19) without damaging the signal diaphragm diaphragms. Place the relay plate (14) between the
assembly (16). Pull the relay diaphragm assembly diaphragms on the new assembly taking care to
(13) out of the other half of the relay body (9). align the 1/16-inch diameter holes between the dia-
5. With relay assembly in two sections, remove two phragms and the relay plate (14). Replace the
screws (22) holding flapper assembly (21) to the relay diaphragm plate (15), the adjustable gain lower
diaphragm assembly (13). Remove the flapper. plate (26), the washer (24), and the locking screw,
but do not tighten. Replace the four screws (32) that
6. Remove diaphragm retaining plate (15) from the
hold the signal diaphragm assembly together.
relay diaphragm assembly (13) and relay plate (14).
16. With O-ring grease, pack grease into the O-ring
7. Replace relay diaphragm assembly (13) with one
groove and lightly lubricate the outside of the relay
from positioner repair kit. Place relay plate (14)
tube on the diaphragm relay assembly (13) making
between the new diaphragms making sure the 1/16-
sure the small holes in the side of the tube on the
inch diameter holes between the relay plate (14)
ends do not get plugged with grease. Insert the
and diaphragm line up. Position diaphragm retain-
relay diaphragm assembly (13) as assembled in
ing plate (15) on the relay diaphragm assembly with
steps 7 and 8 into the lower relay half. Carefully
rounded inner diameter edge against the diaphragm.
align the flapper over the adjustable gain screw (19)
8. Attach the flapper assembly (21) onto the relay and replace and tighten the nut (25).
diaphragm assembly (13) using two screws (22)
17. Fasten the two halves of the relay together using
with a locking adhesive on the threads. The flapper
the four long screws (32). Make sure the 1/16-inch
assembly should extend away from the 1/16-inch
diameter holes in the relay diaphragm assembly
diameter hole through the relay plate. Make sure
(13) and the upper relay body (9) line up. Set the
the lettering on the flapper assembly is facing away
gain to the desired setting and tighten the locking
from the diaphragm.
screws (23, 25). See gain adjustment procedure.
9. With the relay halves still apart, remove relay tube
18. Replace the screen (110) and the O-rings (8,12)
O-rings (8) from the upper and lower bodies (9, 7)
found on the back of the pilot relay before reinstall-
and replace them with new O-rings (found in the
ing the pilot relay on the base of the positioner with
positioner O-ring repair kit).
four screws (33). Clean out any debris lodged in the
10. Remove the rubber cap (35) and the balance adjust screen or replace with a new one.
screw cap (36) from the upper relay body (9).
19. Replace the span arm and zero arm (40, 46) and
Remove the O-ring (38) from the balance adjust
the feedback spring (47).
screw and install new O-ring.
11. To remove and clean the poppets (28), remove the
Orifice Screw
retaining rings (31), poppet covers (27), O-rings (30),
and poppet springs (29) found at the end of each The orifice screw enhances positioner stability. If the
housing. After removing the poppets, inspect them for positioner overshoots excessively or remains in the full-
dirt buildup or damage to seating surfaces. signal position regardless of the signal, the orifice may
be partially or full plugged.
12. The upper relay body (9) has a movable seat ring
(34) which is adjusted with the balance adjust screw When checking the orifice screw, care should be taken to
(36). This seat is removed by pushing it out with a retain the O-ring and orifice filtering screen located on the
soft instrument such as a wooden dowel. Be careful end of the screw. The screen is secured by the O-ring. Do
not to damage the seating surface. Remove the O- not overtighten when replacing the orifice screw.
ring (37) from the seat ring.
13. Lubricate and replace the O-ring (37) on the mov-
able seat ring (34). Carefully reinstall the seat ring
into the upper relay body (9), being careful not to
damage the seating surface or O-rings.
45-8 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Percent Signal (Air-to-Close)
100 90 80 70 60 50 40 30 20 10 0
100 90
90
74
80
61
60
50
50
40
39
30
30
20
23
10 17
12
7
0
0 10 20 30 40 50 60 70 80 90 100
72
80
60 57
50
48
40
39
30
20 28
10
15
0
0 10 20 30 40 50 60 70 80 90 100
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 45-9
Percent Signal (Air-to-Close)
100 90 80 70 60 50 40 30 20 10 0
100 90
90
80
74
60
50
61
40
30 50
20
39
10 30
23
17
0 7 12
0 10 20 30 40 50 60 70 80 90 100
90
85
80
79
60 72
50 65
40
57
30
48
20
39
10 28
15
0
0 10 20 30 40 50 60 70 80 90 100
45-10 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Percent Signal (Air-to-Close)
100 90 80 70 60 50 40 30 20 10 0
100 90
90
74
80
60 61
50
39
40
30 27
22
20
19
16
10 14
11
0 4
0 10 20 30 40 50 60 70 80 90 100
52
60
50 41
40
31
30
23
20
17
10
11
0 0
0 10 20 30 40 50 60 70 80 90 100
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 45-11
Troubleshooting XL 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
45-12 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
AA
All of the above parts are in stock, and can be purchased in any one of 14 spare parts kits. For selecting and ordering the appropriate kit
or a new positioner, contact your Valtek representative or the factory. * See follower arm kits.
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 45-13
Ordering Information
The following information is provided to order a XL positioner or to adapt an existing positioner from one application
to another.
50
Table III: Linear Actuator Follower Arms 100 C 138691.999.000 167988.999.000
Actuator Stroke Spud Follower (2) The cam can be turned over in the field to the opposite side ‘B’
Size (inch) (inch) Arm Kit or ‘C’. To select the correct positioner model choose either ‘B’ or
1
/4** 2.00 055895.999.000* ‘C’ from Table I
3
25 /8** 2.00 055895.999.000*
1
/2** 2.00 048624.999.000* Table V: Follower Arms for Rotary Actuators
1
/4 - 11/2** 2.00 048624.999.000
Actuator Size Follower Arm
3
/4 - 11/2** 2.00 048624.999.000
(Square-inches) Part Number
50 3
/4 - 21/2** 2.62 056098.999.000
25 042817.999.000
3** 2.62 048625.999.000
50 042816.999.000
3
/4 - 3** 2.62 - 2.88 048625.999.000
3 048626.999.000 100 / 200 041418.999.000
100 / 200 /4 - 4** 3.38 - 4.75
5 - 8** 3.38 - 4.75 048627.999.000
When installed on a rotary valve, the signal vs. CV rela-
*Requires the use of stem clamp number 55679 tionship can be equal percentage or linear, based on air
** Use short stroke positioner action as well as cam characteristics. (See Table I.)
45-14 Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611
Standard O-ring Kit – Part No. 139364.999.000 Standard Relay Kit – Part No. 135341.999.000
Item No. Description Quantity Item No. Description Quantity
8 Relay/ base O-ring and 6 AA Pilot Relay assembly 1
relay tube O-ring (Includes item no. 7-39,
11 Orifice screw O-ring 1 56, 57, 110)
12 Relay/ base O-ring 2
30 Relay retainer O-ring 2
Ext. Temp. Relay Kit – Part No. 138845.999.000
37 Adjustable seat O-ring 1
38 Adjustable screw O-ring 1 Item No. Description Quantity
57 Orifice face O-ring 1 AA Pilot Relay assembly 1
69 Input signal O-ring 2 (Includes item no. 7-39,
56, 57, 110)
Ext. Temp. O-ring Kit – Part No. 139360.999.000
Item No. Description Quantity Std. Linear Cam Kit – Part No. 137058.999.000
8 Relay/base O-ring and 6 Item No. Description Quantity
relay tube O-ring 32 Pan head screw 1
11 Orifice screw O-ring 1 51 Return spring 1
12 Relay/base O-ring 2 52 Cam shaft 1
30 Relay retainer O-ring 2 53 Cam 1
37 Adjustable seat O-ring 1 54 Lock washer 2
38 Adjustable screw O-ring 1 55 Nut 2
57 Orifice face O-ring 1
69 Input signal O-ring 2
Std. Rotary Cam Kit – Part No. 138428.999.000
Item No. Description Quantity
Standard Dia. Kit – Part No. 139361.999.000
32 Pan head screw 1
Item No. Description Quantity 51 Return spring 1
13 Relay diaphragm 1 52 Cam shaft 1
16 Signal diaphragm assembly 1 53 Cam 1
54 Lock Washer 1
55 Nut 1
Ext. Temp. Dia. Kit – Part No. 139362.999.000
108 Cam shaft nut 1
Item No. Description Quantity 109 Cap 1
13 Relay diaphragm 1
16 Signal diaphragm assembly 1
Rotary MaxFlo Cam Kit – Part No. 138697.999.000
Item No. Description Quantity
32 Pan head screw 1
51 Return spring 1
52 Cam shaft 1
53 Cam 1
54 Lock washer 1
55 Nut 1
108 Cam shaft nut 1
109 Cap 1
Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611 45-15
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.
FCD VLAIM045-05 ©2002 Flowserve Corporation. Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611