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10

IOM-5400 

ITEM NO.

DESCRIPTION

01

Body

02

Body Gasket    *

03

Lower Diaphragm Case

04

Hex Cap Screw

05

Seat O-Ring    *

06

Spindle Assembly

07

Bolt Gasket    *

08

Seal Diaphragm    *

09

Boost Diaphragm Spacer

10

Boost Diaphragm    *

11

Support Plate - Boost

12

Sense Diaphragm Spacer

13

Diaphragm Case Spacer

14

Sense Diaphragm    *

15

Sense Pressure Ring

16

Support Plate - Sense

17

Lower Spring Guide

18

Spindle Stud

19

Hex Nut

20

Range Spring

21

Spring Button

22

Upper Diaphragm Case

23

Spring Bonnet

24

Exhaust Screen

25

Flat Washer - Diaphragm Case

26

Hex Cap Screw - Diaphragm Case

27

Jam Nut (Adjusting Screw)

28

Adjusting Screw / Blow down Needle

29

Closing Cap (Spring Bonnet)

30

O-ring  (Blowdown Needle)    *

31

Exhaust Fitting

32

Straight Tube Fitting

33

Compression Elbow

34

Tubing

36

Boost Pressure Ring  #

Pilot Pressure 

 > 3.2 psig.

Pilot Pressure <  3.2 psig.

*    Spare Parts     # Intermediate & High Pressure Pilots ONLY

FIGURE 2 - PILOT VALVE

Содержание 5400

Страница 1: ...d on line or in a maintenance shop See Section IX for setting and testing procedures This manual is intended to provide recommended procedures and practices for installation operation and maintenance...

Страница 2: ...ke a weight loaded valve under this condition with a lower set point Consult the factory for any questions related to this over pressure condition The 1 2 OD SST pilot valve sensing line must be kept...

Страница 3: ...able for the service See Table 1 for gasket dimensions Table 1 Body Flange Gasket Dimensions CS SST 150 ASME RF O D I D B C Hole Qty 2 4 12 2 38 3 5 38 3 50 4 6 88 4 50 6 8 75 6 62 8 11 00 8 62 10 13...

Страница 4: ...m spacer 12 10 Remove boost support plate 11 boost diaphragm 10 boost diaphragm spacer 09 and bolt gasket 07 FOR Pilot with Pressure 3 2 psig remove boost pressure ring 36 11 Rotate 7 16 hex head cap...

Страница 5: ...3 Align holes in the lower diaphragm case 03 with body 01 and place the case on top of the gasket DO NOT cover sensing hole Use cap screws 04 to secure lower diaphragm case 03 to the body 01 Tighten...

Страница 6: ...If the vent valve must be removed from the tank for any reason make sure that all pressure has been re leased before the flange fasteners are loosened Refer to your company procedures before venting...

Страница 7: ...g top surface of the diaphragm 106 n Install the diaphragm retainer plate 107 and lock nut 108 secure nut tight o Remove pallet 105 assembly from vise To Remove Seat Ring NOTE If vent has integral or...

Страница 8: ...IT for FIELD REPAIR Contact your local Cashco Inc Sales Repre sentative with the Serial Number and Product code Identifythepartsandthequantityrequired to repair the unit from the BOM sheet that was pr...

Страница 9: ...ockwise rotation of blowdown screw provides modulating ac tion and minimum zero blowdown Reseat pressure is the same as set pressure NOTE The blowdown needle is located in a pressure containing chambe...

Страница 10: ...ense 17 Lower Spring Guide 18 Spindle Stud 19 Hex Nut 20 Range Spring 21 Spring Button 22 Upper Diaphragm Case 23 Spring Bonnet 24 Exhaust Screen 25 Flat Washer Diaphragm Case 26 Hex Cap Screw Diaphra...

Страница 11: ...Pallet 121 Jack Screw 106 Diaphragm 122 Jam Nut 107 Diaphragm Retainer 123 Jack Nut 108 Lock Nut 124 Pilot Mounting Nipple 109 Pressure Pallet Guide 125 Sense Tube Connector 1 110 Bug Screen 126 Sens...

Страница 12: ...M 5400 OPTION 4 Rotometer to Purge Pilot Sense Line Note Nipple Length Increases with Line Size SEE ITEM NO DESCRIPTION LIST on page 14 OPTION 1 Remote Sense OPTION 2 Manual Blow Down OPTION 3 Check V...

Страница 13: ...13 IOM 5400 OPTION 5 Atex OPTION 6 Air Assist SEE ITEM NO DESCRIPTION LIST on page 14 Note Atex Parts not Applicable for Spring Packs...

Страница 14: ...Air Assist 204 Check Valve 215 Nipple Air Assist 205 MNPT Tee Field Test Connection 216 Filter Regulator Air Assist 206 Push Lock Air Fitting Field Test 217 Hex Red Bushing Gauge Air Assist 207 Nipple...

Страница 15: ...t torque Check flange gap around circumference for uniformity If the gap is not reasonably uniform make the appropriate adjustments by selective tightening before proceeding Round 2 Tighten to 50 to 7...

Страница 16: ...n mating flat face flanges with a full faced gasket If the flat face of the vent is sealing against a raised face steel flange a spacer or filler ring must be used to fill the annular space of the rai...

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