P/N: A-22075/6, Rev. 1.1
Page 2 of 45
Table of Contents
1.0
Introduction .......................................................................................................................... 3
1.1
Technical Specifications .................................................................................................. 3
1.2
Valve Perspectives .......................................................................................................... 5
1.3
Pre-Installation Regulations/Requirements ..................................................................... 8
2.0
Valve Installation ............................................................................................................... 10
2.1
Preliminary Considerations ............................................................................................ 10
2.2
Procedure ...................................................................................................................... 10
2.3
Leak Inspection ............................................................................................................. 12
2.4
Valve Operation Notes and Precautions ....................................................................... 12
3.0
Valve Disassembly ............................................................................................................ 13
3.1
Procedure ...................................................................................................................... 13
4.0
Valve Inspection ................................................................................................................ 19
4.1
Inspection Procedure ..................................................................................................... 20
5.0
Valve Assembly ................................................................................................................. 28
6.0
Special Guidelines and Precautions on Pressure-Testing and Adjustment ...................... 29
7.0
Valve-Pressure Testing Procedure .................................................................................... 30
7.1
Initial Setup .................................................................................................................... 30
7.2
Testing ........................................................................................................................... 32
8.0
Valve-Adjustment Procedure ............................................................................................. 33
8.1
Valve-Setting Adjustment .............................................................................................. 33
8.2
Post-Test Procedure ...................................................................................................... 37
9.0
Maintenance ...................................................................................................................... 39
9.1
Prior to Maintenance Tasks Performed ......................................................................... 39
9.2
Leak Repair on a Mounted Valve .................................................................................. 39
10.0
Warranty .......................................................................................................................... 44
