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Flowserve Corporation, Valtek Control Products, Tel. USA 801 489 8611

48-11

XL

90

121

119

116

118

2

3

117

73

72

119

118

2

3

107

67

66

69

69

116

128

51

112

52

112

1

31

27

30

29

33

28

56

8

12

7

8

15 13

14

12

110

8

9 34 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

18

19

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

Summary of Contents for XL90 Series

Page 1: ...use the I P NT 3000 Transducer The I P 2000 Trans ducer is not acceptable for use with the XL90 Series Positioner The XL90 positioner can handle supply pressures up to 150 psi thus a supply regulator is usually not required 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 Standa...

Page 2: ...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 This difference in pressure will drive the piston outward rotate the pinion and stretch...

Page 3: ...rm 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 pla...

Page 4: ... With a 50 percent input signal tighten all mounting bolts Stroke actuator to verify proper alignment POSITIONER CALIBRATION Introduction Valtek positioners are calibrated at the factory how ever due to shipping and handling it may be necessary to check the calibration before operating the valve The XL90 positioner can be calibrated to a range of 3 15 two way split range 3 9 or 9 15 and three way ...

Page 5: ...tmentscrew ment knob until valve begins to stroke with more than 3 psi signal for 9 15 psi range adjust to 9 psi 2 Loosen range adjustment locking screw no more than 1 8 turn 3 With a phillips screwdriver adjust the span adjust ment so valve is at full stroke with more than 15 psi for 3 15 or 9 15 psi range adjust to 9 psi for 3 9 psi range 4 Return to 3 psi or 9 psi for 9 15 psi range and check t...

Page 6: ...e 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 scr...

Page 7: ...pressurecutofffeaturewillbeused NOTE The zero and span settings of both the positioner and I P transducer should be verified as accurate before the minimum pressure cutoff feature is enabled and adjusted 1 Connect the I P module to a 30 to 150 psi air supply pressure 2 Remove the I P module housing cover WARNING Be certain power to the I P module is disconnected before removing the housing coverin...

Page 8: ...seat is removed by pushing it out with a soft instrument such as a wooden dowel Be careful not to 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 being careful not to damage seating surface or O rings 14 Reinstall poppets 28 poppet springs 29 Seat Spring O rings 30 and poppet cov...

Page 9: ... 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 St...

Page 10: ...justable 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 Pi...

Page 11: ...sembly 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 ...

Page 12: ...m a C r a e n i L e e r g e D 0 9 0 6 5 4 0 3 d r o c c A C m a C r e p m a D t o o R e r a u q S e r a u q S r a e n i L d r o c c A D s e v l a V y l f r e t t u B m a C e e r g e D 0 6 0 d r o c c A E r o t a u t c A m g a r h p a i D m a C d n a r a e n i L g e r e S F r o t a u t c A n o t s i P m a C r a e n i L k e t l a V D A E R H T T I U D N O C N O I T C E N N O C P d r a d n a t S T P ...

Page 13: ... 0 1 o N t r a P t i K y a l e R p m e T t x E o N m e t I n o i t p i r c s e D y t i t n a u Q 9 6 s e d u l c n I y l b m e s s a y a l e R 0 7 7 5 6 5 9 3 8 s o N m e t i 7 7 6 7 4 7 3 7 2 7 1 8 g n i r O 4 3 3 w e r c s d a e h n a P 4 7 7 5 8 7 0 0 1 o N t r a P t i K g n i r O p m e T t x E o N m e t I n o i t p i r c s e D y t i t n a u Q 8 d n a g n i r O e s a b y a l e R g n i r O e b u...

Page 14: ...e k c i t S 1 g e r e S e t i h W s n e L t i K r e v o C 5 9 8 5 1 1 0 1 o N t r a P o N m e t I n o i t p i r c s e D y t i t n a u Q 2 r e v o C 1 3 w e r c S 4 7 1 1 g n i r O 1 9 1 1 s n e L g e r e S 1 6 1 1 r o t a c i d n I 1 8 1 1 g n i r O 1 d r o c c A k c a l B s n e L t i K r e v o C 8 9 8 5 1 1 0 1 o N t r a P o N m e t I n o i t p i r c s e D y t i t n a u Q 2 r e v o C 1 3 w e r c ...

Page 15: ... t c e l E t i u c r i c g n i r p s s m a c t f a h s g n i t n u o m d n a d r a o b s w e r c s d n a s r e c a p s 1 d n E t f a h S R U M A N t i K h c t i w S t i m i L l a c i n a h c e M 0 1 9 5 1 1 0 1 o N t r a P n o i t c e n n o C o N m e t I n o i t p i r c s e D y t i t n a u Q 2 5 t f a h S m a C 1 2 1 1 g n i R g n i n i a t e R 2 8 2 1 t u N m a J 1 0 3 1 s e d u l c n I t i K s c...

Page 16: ...ntact www flowserve com or call USA 972 443 6500 Regional Headquarters 1350 N Mt Springs Prkwy Springville UT 84663 Phone 801 489 8611 Facsimile 801 489 3719 12 Tuas Avenue 20 Republic of Singapore 638824 Phone 65 862 3332 Facsimile 65 862 4940 12 av du Québec B P 645 91965 Courtaboeuf Cedex France Phone 33 1 60 92 32 51 Facsimile 33 1 60 92 32 99 Quick Response Centers 5114 Railroad Street Deer P...

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