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Masoneilan 77000 Series Control Valves Instruction Manual  |  1

Copyright 2021 Baker Hughes Company. All rights reserved.

Safety Information

Important - Please read before installation

These instructions contain 

DANGER

WARNING

,  and 

CAUTION

 labels, where necessary, to alert you to safety related 

or  other  important  information.  Read  the  instructions  carefully 

before installing and maintaining your control valve. 

DANGER

 

and 

WARNING

 hazards are related to personal injury. 

CAUTION

 

hazards  involve  equipment  or  property  damage.  Operation 

of  damaged 

equipment can, under certain operational 

conditions, result in degraded process system performance 

that can lead to injury or death. Total compliance with all 

DANGER

WARNING

,  and 

CAUTION

  notices  is  required  for 

safe operation.

CAUTION

CAUTION

WARNING

DANGER

 

This is the safety alert symbol. It alerts you to potential personal 

injury hazards. Obey all safety messages that follow this symbol 

to avoid possible injury or death.

CAUTION

CAUTION

WARNING

DANGER

 

Indicates a potentially hazardous situation which, if not avoided, 

could result in death or serious injury.

CAUTION

CAUTION

WARNING

DANGER

 

Indicates a potentially hazardous situation which, if not avoided, 

could result in serious injury.

CAUTION

CAUTION

WARNING

DANGER

 

Indicates a potentially hazardous situation which, if not avoided, 

could result in minor or moderate injury.

CAUTION

CAUTION

WARNING

DANGER

 

When used without the safety alert symbol, indicates a potentially 

hazardous situation which, if not avoided, could result in property 

damage.

Note: Indicates important facts and conditions.

About this Manual

• 

 The information in this manual is subject to change without 

prior 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 information 

in this manual to your local supplier.

•   These instructions are written specifically for the 77000 

Series  control  valves,  and  do  not  apply  for  other  valves 

outside of this product line.

Useful Life Period

The  current  estimated  useful  life  period  for  the  77000  Series 

control valves is 25+ years. To maximize the useful life of the 

product,  it  is  essential  to  conduct  annual  inspections,  routine 

maintenance  and  ensure  proper  installation  to  avoid  any 

unintended  stresses  on  the  product.  The  specific  operating 

conditions will also impact the useful life of the product. Consult 

the factory for guidance on specific applications if required prior 

to installation.

Warranty

Items sold by Baker Hughes are warranted to be free from defects 

in materials and workmanship for a period of one year from the 

date  of  shipment  provided  said  items  are  used  according  to 

Baker Hughes recommended usages. Baker Hughes reserves 

the right to discontinue manufacture of any product or change 

product materials, design or specifications without notice.

Note: Prior to installation

• 

The valve must be installed, put into service and maintained 

by  qualified  and  competent  professionals  who  have 

undergone suitable training.

• 

All  surrounding  pipe  lines  must  be  thoroughly  flushed  to 

ensure  all  entrained  debris  has  been  removed  from  the 

system.

• 

Under  certain  operating  conditions,  the  use  of  damaged 

equipment could cause a degradation of the performance 

of the system which may lead to personal injury or death.

• 

Changes to specifications, structure, and components used 

may  not  lead  to  the  revision  of  this  manual  unless  such 

changes affect the function and performance of the product.

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 16: ...12 Baker Hughes Copyright 2021 Baker Hughes Company All rights reserved Detail A Scale 1 2 Detail B Scale 1 2 Figure 12 Parts Drawing for Top Entry 77002 Series...

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 23: ...Masoneilan 77000 Series Control Valves Instruction Manual 19 Copyright 2021 Baker Hughes Company All rights reserved Notes...

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...

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