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Contents
1. General ....................................................................................................... 1
1.1 Introduction to Valves .......................................................................................................... 1
2. Storage ....................................................................................................... 1
3. Installation ................................................................................................. 2
4. Operation ................................................................................................... 7
4.1 Inspections before Operation ............................................................................................. 7
5. Maintenance and Repair ........................................................................... 8
5.1 General .................................................................................................................................. 9
5.2 Body Disassembly and Assembly (See Fig 5.1) ................................................................ 9
5.2.1 Disassembly ......................................................................................................................9
5.2.2 Assembly ........................................................................................................................ 10
6. Preventive Maintenance and Troubleshooting ...................................... 11
6.1 Troubleshooting .................................................................................................................. 11
7. Others ...................................................................................................... 12
7.1 Procedure for Switching Action (Reverse Action
↔
Direct Action) ............................. 12