Baker Hughes Masoneilan 77000 Series, Instruction Manual

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Masoneilan 77000 Series Control Valves Instruction Manual | c
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Table of Contents
Safety Information ....................................................................................................................... 1
About this Manual ........................................................................................................................ 1
Useful Life Period ........................................................................................................................ 1
Warranty ...................................................................................................................................... 1
Numbering System .................................................................................................. 2
Introduction .............................................................................................................. 2
Scope ........................................................................................................................................ 2
Serial Plate .................................................................................................................................. 2
After Sales Service ...................................................................................................................... 2
Spare Parts ................................................................................................................................. 2
Actuator and Accessories ............................................................................................................ 2
Unpacking Installation ............................................................................................ 3
Recommended Installation .......................................................................................................... 3
Handling ...................................................................................................................................... 3
Piping Cleanliness ....................................................................................................................... 3
Isolation Bypass Valve ................................................................................................................. 3
Heat Insulation ............................................................................................................................ 3
Hydrostatic Testing and Line Cleaning ........................................................................................ 3
Flow Direction .............................................................................................................................. 3
Welded Connections ................................................................................................................... 3
Welding Process ..................................................................................................................................................3
Post Weld Cleaning & Assembly ..........................................................................................................................4
Actuator Assembly ....................................................................................................................... 4
Disassembly............................................................................................................. 4
Valve Actuation ............................................................................................................................ 4
Disconnect Instrumentation ......................................................................................................... 4
Air-to-Extend (Open) Actuators ................................................................................................... 4
Lever and Linkage Removal ................................................................................................................................4
Actuator Removal .................................................................................................................................................4
Valve Disassembly 77001 and 77002 Series ........................................................ 4
Maintenance & Repair ............................................................................................. 5
Packing Box ................................................................................................................................ 5
Packing Replacement ................................................................................................................. 5
Parts Repair ................................................................................................................................ 5