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IDENTIFICATION

PART NUMBER

Type VSX4L

Type VSX4H

Type VSX8L

1

Lower case

GF01865X012

ERCA00875A0

2

Upper case 

GF01866X012

3

Closing cap

GF01922X012

4

Reset pin

GF01936X012

ERAA06343A0

5

Back plate

GF01926X012

6*

Diaphragm

GF01929X012

7*

Diaphragm plate   

GF01927X012

GF01944X012

GF01927X012

8

Valve plug spring

GF02174X012

ERAA06243A0

9

Plug support

GF01939X012

ERAA05874A0

10

Spring locator

GF01938X012

ERCA01265A0

11

Fastening clip of reset pin (4 required)

FA406150X12

12

Nut H M6 (8 required)

GE38209X012

13

Ring (2 required)

GF01932X012

14*

Closing Cap O-ring (51.00 x 3.00)

GF03448X012

15

Self-locking ring

FA406200X12

16*

Screw H M6 x 16 (8 for the spring case and 1 for the diaphragm assembly) 

GE38207X012

17

Connection ring (not shown)

GF01937X012

- - - - - - - - - - -

18

Axis

GF01935X012

19

Cam

ERCA00252A0

20

Screw HM4 x 8 (2 required)

GF03474X012

21

Flexing spring

GF04808X012

22

Fastening clip

FA406153X12 

23

Manual button

GF01933X012

24

O-ring (2 required)

GF03445X012

25

Relatching spring

GF02175X012

26

Gland sleeve

GF01931X012

ERAA05855A0

27

Travel indicator diaphragm

GF01928X012

28

O-ring R8 (8.90 x 2.70) (3 required for VSX4 Series, 2 required for VSX8 Series)

GF03446X012

29

O-ring R1 (2.60 x 1.90) (2 required)

GF03447X012

30

Reset button

GF01930X012

ERCA01254A0, 

ERCA01044A0

(2)

31*

Lock nut

FA404550X12

32

Diaphragm support

(1) 

(not shown)

- - - - - - - - - - -

GF01934X012

- - - - - - - - - - -

33*

Inlet O-ring

8073 (36.0 x 2.2)

GF03442X012

34

Screw H M6x12 (not shown) (4 required)

GE38176X012

36

Half flange (not shown) (2 required)

GF01942X012

38

UPSO Spring

See Table 2

40

UPSO Adjusting screw

ERAA05947A0

41

OPSO Spring

See Tables 1 and 2

42

Maximum washer

GF01925X012

43

OPSO Adjusting screw

GF01923X012

44 

Fastening ring (not shown)

GF04079X012

- - - - - - - - - - -

46*

Outlet O-ring I 5370 (54.0 x 2.0)

GF03443X012

47*

VSX4 Series Valve plug D24/Disk (Medium capacity)

GF01940X012

- - - - - - - - - - -

47*

VSX8 Series Valve plug D39/Disk (High capacity)

- - - - - - - - - - -

ERAA05852A0

48

Vent

27A5516X012

49

Plug, 1/4 NPT (not shown) (for Internal only)

1C333528992

50*

Sense blocking O-ring (2.00 x 1.25) (for External only)

GF03449X012

51

Sense Blocking Screw (for External only)  

GF02261X012

52

Limit switch

- - - - - - - - - - -

M4006669X12

(2)

53

Travel stop

- - - - - - - - - - -

ERAA05924A0

54

Positioner

ERCA01078A0

(2)

58

Safety nut M4

- - - - - - - - - - -

ERAA05875A0

80

Base label

- - - - - - - - - - -

81

O-ring (1.15 x 1.00) (not shown) (4 required)

GF03444X012

- - - - - - - - - - -

83

Lockwire

T14088T0012

84

Slamshut label

- - - - - - - - - - -

93

O-ring R8 (10.82 x 1.78)

- - - - - - - - - - -

ERCA02550A0

96

Nut M (2.5 x 0.45)

- - - - - - - - - - -

ERCA01387A0

102

Ring Guide

- - - - - - - - - - -

ERAA05861A0

103

Mini Washer (for UPSO spring)

ERAA05957A0

104

Maxi Seat

ERAA05956A0

1.  When adjusting the controller, refer to the Controller Spring Range tables, Tables 1 and 2, to ensure the desired set value is achievable for the controller construction, either low  

pressure (Type VSX4L or VSX8L) or high pressure (Type VSX4H).

2. Applicable for Type VSX8 with remote trip sensor.

*Recommended Spare Part

Parts List

VSX4 and VSX8 Series Controller

Parts Ordering

Controller that have been disassembled for repair 

must be tested for proper operation before being 

returned to service.
The type number, pressure ranges, functional 

class and date of manufacture are stamped on the 

nameplate. Always provide this information when 

corresponding with your local Sales Office regarding 

replacement parts or technical assistance.
When ordering replacement parts, refer to the key 

number of each needed part as found in the parts list.
Separate kits containing all recommended spare parts 

are available. See tables on pages 15 and 16.

VSX4 and VSX8 Series

14

Содержание EMERSON VSX4 Series

Страница 1: ...erformed by unqualified personnel may result in improper adjustment and unsafe operations which may result in equipment damage or personal injury Figure 1 VSX4 and VSX8 Series Controller The VSX4 and...

Страница 2: ...on Only Connections Controller Vent 1 4 NPT External Sensing Line 1 4 NPT Maximum Allowable Pressure PS 1 Differential Strength 20 0 bar 290 psig Integral Strength 6 0 bar 87 psig Specific Maximum All...

Страница 3: ...704 regulator type spring range Spring part number and color Minimum Maximum Typical Setpoint Under Pressure Shutoff Upso Over Pressure Shutoff Opso Spring Range Factory Set Spring Range Factory Set m...

Страница 4: ...o 1 57 bar 1 15 2 to 22 8 1 Pink 3 0 0 118 70 0 2 75 GF02172X012 1 25 to 2 30 bar 1 18 1 to 33 4 1 Green 3 4 0 134 70 0 2 75 GF02173X012 2 10 to 3 75 1 30 5 to 54 4 1 Silver 4 0 0 157 70 0 2 75 0 90 t...

Страница 5: ...oves the valve plug against the regulator port stopping the flow of gas The reset button is then used to reset relatch the controller refer to the Resetting Procedure section for detailed resetting in...

Страница 6: ...tings does not preclude the possibility of damage from external sources or from debris in the pipeline General Installation Instructions Note The VSX4 and VSX8 Series can be rotated 360 for easy insta...

Страница 7: ...line Slam Shut Device type VSX4 type vsx8 Slam Shut Device sense line RESET TRIP CLEARANCE 25 1 REMOVAL CLEARANCE 45 1 8 SPRING REMOVAL CLEARANCE 80 3 1 146 5 8 118 4 6 28 1 1 147 5 8 RESET TRIP CLEA...

Страница 8: ...w key 40 by turning it counterclockwise Remove and discard the UPSO spring key 38 and the mini washer key 103 Using a flathead screwdriver turn the OPSO adjusting screw key 43 clockwise until it stops...

Страница 9: ...or key 27 is visible and firm when pressed with a finger Controller in Closed Tripped Position Figure 12 When the controller is in the closed position the travel indicator key 27 is not visible and ea...

Страница 10: ...t off Button key 23 DOWNSTREAM CONTROL LINE CONNECTION 23 Figure 7 Controller Manual Bypass Figure 8 Controller Bypass with Screwdriver Manual Shut Off Button Procedure For VSX4 and VSX8 Series 47 30...

Страница 11: ...e 12 Controller in Closed Tripped Position Figure 9 Relatching the Controller Mechanism 30 Figure 10 Repositioning the Reset Button 26 Figure 11 Controller in Open Reset Position 27 VSX4 and VSX8 Seri...

Страница 12: ...r controller from system pressure and relieving all internal pressure Refer to Figure 13 when following this procedure Remove the body flange screws key 34 and the two half flanges key 36 Remove the c...

Страница 13: ...your local Sales Office Table 8 VSX4 and VSX8 Series Troubleshooting Using a 10 mm 0 394 in wrench unscrew and remove the eight spring case screws key 16 and associated nuts key 12 and then remove the...

Страница 14: ...012 43 OPSO Adjusting screw GF01923X012 44 Fastening ring not shown GF04079X012 46 Outlet O ring I 5370 54 0 x 2 0 GF03443X012 47 VSX4 Series Valve plug D24 Disk Medium capacity GF01940X012 47 VSX8 Se...

Страница 15: ...GF01927X012 14 1 Closing cap O ring GF03448X012 31 1 Lock nut FA404550X12 spring according to setpoint not included in the kit L1 L2 3 14 80 84 48 104 42 7 6 12 102 28 29 27 2 L2 L L1 L1 L1 L1 L2 23 2...

Страница 16: ...d Arab Emirates Tel 971 4811 8100 TESCOM Emerson Process Management Tescom Corporation USA Headquarters Elk River Minnesota 55330 2445 USA Tels 1 763 241 3238 1 800 447 1250 Europe Selmsdorf 23923 Ger...

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