REV ECN DATE
J 3152
23-July-2020
Table of Contents
1. Scope ................................................................................................................................................. 4
2. Definitions ......................................................................................................................................... 5
3. Handling and Shipping ..................................................................................................................... 7
4. Unpacking and Storing...................................................................................................................... 8
5. Installation ......................................................................................................................................... 9
6. Operation ......................................................................................................................................... 13
7. Maintenance .................................................................................................................................... 14
8. Inspections ...................................................................................................................................... 16
a) Visual Inspection ............................................................................................................................ 16
b) Set Pressure Inspection ................................................................................................................... 18
c) Leak Inspection ............................................................................................................................... 19
9. Test Equipment ............................................................................................................................... 21
a) In Situ Testing ................................................................................................................................. 21
b) Offsite Testing ................................................................................................................................ 22
c) Mobile Test Units ........................................................................................................................... 23
d) Test Gauges ..................................................................................................................................... 24
e) Lift Checking .................................................................................................................................. 24
10. Tester Qualifications ....................................................................................................................... 25
11. Tool List .......................................................................................................................................... 26
a) Valve ............................................................................................................................................... 26
b) Miscellaneous ................................................................................................................................. 26
12. Disassembly .................................................................................................................................... 28
a) 1” Body - Bottom Entry .................................................................................................................. 28
b) 2” Body - Bottom Entry .................................................................................................................. 31
c) Top Entry ........................................................................................................................................ 34
d) Lift Levers – Bottom Entry ............................................................................................................. 37
e) Lift Levers – Top Entry .................................................................................................................. 40
13. Component Inspection .................................................................................................................... 43
14. Reassembly ..................................................................................................................................... 46
a) Cleaning & Lubrication .................................................................................................................. 46
b) Valve Reassembly ........................................................................................................................... 46
i) 1” Bodies – Bottom Entry ........................................................................................................... 46
ii) 2” Bodies – Bottom Entry ........................................................................................................... 50
iii) Top Entry .................................................................................................................................... 54
c) Lift Levers – Bottom Entry ............................................................................................................. 58
d) Lift Levers – Top Entry .................................................................................................................. 60
15. Valve Setting Procedure.................................................................................................................. 61
a) Cold Differential Set Pressure (CDTP) ........................................................................................... 61
b) Setting the Valve ............................................................................................................................. 61
16. Tag Information .............................................................................................................................. 62
17. Product Number System ................................................................................................................. 63
a) Valve Product Numbering .............................................................................................................. 63
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