Baker Hughes Masoneilan 77000 Series Instruction Manual Download Page 1

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Masoneilan

™

77000 & 77003 Series

Axial Flow, Labyrinth Trim Control Valves

Instruction Manual (Rev.D)

Baker Hughes Data Classification: Public

Summary of Contents for Masoneilan 77000 Series

Page 1: ...Masoneilan 77000 77003 Series Axial Flow Labyrinth Trim Control Valves Instruction Manual Rev D Baker Hughes Data Classification Public...

Page 2: ...R REQUIREMENTS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE MET IN...

Page 3: ...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 Connectio...

Page 4: ...sassembly 13 Valve Disassembly 13 Actuator and Linkage Disassembly 13 Bonnet Trim Disassembly 13 77003 Series Maintenance Repair 13 Parts Repair 13 Guiding Surfaces 13 Seating Surfaces 13 77003 Series...

Page 5: ...rior notice The information contained in this manual in whole or part shall not be transcribed or copied without Baker Hughes s written permission Please report any errors or questions about the infor...

Page 6: ...l Baker Hughes representatives or Masoneilan Parts Department When ordering spare parts the model and serial numbers indicated on the manufacturer s serial plate must be given The serial plate is on t...

Page 7: ...ping modifications or repairs are performed thorough flushing and blowdown of the system will be required prior to reinstalling the 77000 Series trim Sacrificial flushing trim should be installed in t...

Page 8: ...he Actuator Link Clevis 37 from the valve assembly Actuator Removal Disconnect all electrical and air connection to and from the actuator Disassemble drive nut 32 and attachment screws and lift actuat...

Page 9: ...acking Replacement For top entry designs disassembly of the valve bonnet from the body is recommended before replacing the standard Teflon V Ring packing Other packing types can be replaced without re...

Page 10: ...e seat ring 3 while removing these parts from the body Scratches or damage to these parts can result in leakage and premature wear 3 Coat the upper spider gasket 8 lightly with gasket compound and sec...

Page 11: ...ld be parallel to surface of the valve body 1 3 Tighten the bonnet or spool nuts 10 evenly by applying torque in the increments and the sequences as defined in Table 1 and Figure 3 Note To ensure tigh...

Page 12: ...embly Part Qty Part Qty VESPEL Female Adapter 1 Upper Follower 1 KALREZ V Ring 2 Disc Spring 8 VESPEL V Ring 1 Lower Follower 1 VESPEL Male Adapter 1 The packing is provided as a set of five pieces It...

Page 13: ...and eight 8 disc springs see Figure 10 The springs are installed inside the lower follower and positioned alternately The assembly is held together by tape which must be removed before installation Sc...

Page 14: ...pper Spider Gasket 9 Body Stud 10 Bonnet Spool Nut 11 Packing Set 12 Lantern Ring 13 Packing Follower 14 Packing Flange 15 Packing Flange Stud 16 Packing Flange Nut 17 Actuator Toggle Bracket 18 Brack...

Page 15: ...ries Control Valves Instruction Manual 11 Copyright 2021 Baker Hughes Company All rights reserved Detail A Scale 2 5 Detail C Scale 2 5 Top Entry Detail B Scale 2 5 Figure 11 Parts Drawing for Bottom...

Page 17: ...em The Packing Set should be removed at this time and discarded 3 Remove Body Gasket B105 and discard after examination 4 Remove Stem Bushing B011 and Retainer B107 5 Attach a lifting mechanism to the...

Page 18: ...Trim Gasket B103 Continue to lower the assembly until seated Remove hoist and lift eye Body Bonnet Body Gasket Bolting Assembly 1 Install retainer B107 and Stem Bushing B011 2 Lubricate Body Gasket B1...

Page 19: ...STEM BUSHING B213 PACKING FLANGE B212 PACKING FOLLOWER B207 PACKING SET B200 PACKING STUDS B201 PACKING NUTS Ref No Description B001 BODY B003 BONNET B002 BODY STUD B014 BODY NUT B015 BODY GASKET B122...

Page 20: ...Torque Requirements For 77003 only Packing Box Standard Packing Assembly Visually inspect Plug Stem Bonnet packing box for cleanliness and proper surface finish Consult Figures 16 17 for the proper n...

Page 21: ...g is to be done outside of the body ensure the liner seat B106 is set on a flat and stable surface and proceed to step 5 16 For lapping done with the trim installed inside the body install new gaskets...

Page 22: ...LINK ARMS A734a ACTUATOR LINK ARMS A090a VALVE LINK PINS A090b ACTUATOR LINK PINS A090 BRACKET LINK PIN A033 VALVE STEM CLEVIS A915 VALVE CLEVIS CLAMP SCREW A900 LINK PIN SNAP RINGS A044 ACTUATOR CONN...

Page 24: ...Company Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners BHMN 77000 77003 IOM 30544D 0421 04 2021 Tech Field Support...