Baker Hughes Masoneilan 77000 Series Instruction Manual
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Baker Hughes Masoneilan 77000 Series Instruction Manual

Axial flow, labyrinth trim control valves
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Masoneilan
™
77000 Series
Axial Flow, Labyrinth Trim Control Valves
Instruction Manual (Rev.C)
Baker Hughes Data Classification: Public

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Summary of Contents for Baker Hughes Masoneilan 77000 Series

  • Page 1 Masoneilan ™ 77000 Series Axial Flow, Labyrinth Trim Control Valves Instruction Manual (Rev.C) Baker Hughes Data Classification: Public...
  • Page 2 OPERATOR ARE STRICTLY LIMITED TO THOSE EXPRESSLY PROVIDED IN THE CONTRACT RELATING TO THE SUPPLY OF THE EQUIPMENT. NO ADDITIONAL REPRESENTATIONS OR WARRANTIES BY BAKER HUGHES REGARDING THE EQUIPMENT OR ITS USE ARE GIVEN OR IMPLIED BY THE ISSUE OF THESE INSTRUCTIONS.
  • Page 3 Pre-Weld Preparation .......................3 Welding Process .......................3 Post Weld Cleaning & Assembly ..................3 Actuator Assembly .........................4 Disassembly..........................5 Valve Actuation ........................4 Disconnect Instrumentation....................4 Air-to-Extend (Open) Actuators ....................4 Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | c...

  • Page 4: Table Of Contents

    Packing Installation ........................9 Valve Travel Requirements .......................10 Parts Reference Table .......................10 Actuation ............................13 Type 87/88 Multi-Spring Diaphragm Actuators...............13 Type 51/52/53 Cylinder Actuators ..................15 Parts Reference Table 51/52/53 Actuators ................21 d | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.
  • Page 5 DANGER CAUTION WARNING Items sold by Baker Hughes are warranted to be free from defects in materials and workmanship for a period of one year from the Indicates a potentially hazardous situation which, if not avoided, date of shipment provided said items are used according to could result in death or serious injury.
  • Page 6 Baker Hughes representatives or Masoneilan Parts The following instructions are designed to guide the user through Department. the installation and maintenance of the Masoneilan 77000 Series control valves. When ordering spare parts, the model and serial numbers indicated on the manufacturer’s serial plate must be given. The The Masoneilan 77000 Series is part of Baker Hughes’s...
  • Page 7 Isolation Bypass Valve damage to the accessories and component parts. Contact the local Baker Hughes Sales Office or Service Center with any To allow for in-line inspection, maintenance and removal of the issues or problems. Be sure to note the valve model number and valve without service interruption, provide a manually operated serial number in all correspondence.

  • Page 8: Lever And Linkage Removal

    (1). While removing the bonnet the old packing set (11) and lantern ring (12) may also pull away from the stem. These parts should be removed at this time. 4 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.

  • Page 9: Maintenance & Repair

    Prior to lapping ensure the plug and seat ring seating surfaces nance. are free from large scratches or dents. Remachining of these surfaces may be necessary. If so a maximum of .015” (0.4mm) Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 5...

  • Page 10: Gaskets

    Note: Some designs may be equipped with an integral spider as part of the bottom entry spool. For these designs there will not be a lower spider gasket as it is a one piece construction. 6 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.

  • Page 11: Body Bolting

    1 stud thread or more that 2-1/2 stud threads are extended above the nut after final tightening, then double check the assembly for proper installation and alignment. Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 7...

  • Page 12: Low-E Packing (Optional)

    Low-E Packing is only available with the spring loaded follower. Installation should be performed as detailed in the following paragraphs. Figure 6: Graphite Packing 8 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.

  • Page 13: Preparation

    PTFE - female adapter PFE - V-Ring PTFE - V-Ring PFE - V-Ring PTFE - male adapter Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 9...

  • Page 14: Valve Travel Requirements

    Lower Guide Bushing (Top Entry Design Only) Spud Adapter (Bottom Entry Design Only) Actuator Link Clevis (Sizes 1” - 3”) Conical Spring (Top Entry Design Only) •Recommended spare parts for each maintenance interval 10 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.
  • Page 15 Detail B Scale 2 : 5 Detail A Detail C Scale 2 : 5 Scale 2 : 5 Top Entry Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 11...
  • Page 16 Detail A Detail B Scale 1 : 2 Scale 1 : 2 12 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.

  • Page 17: Actuation

    (5), hex nut (1), and lock nut (32). 11. Shut off the closed valve pressure and check that operation is correct. Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 13...
  • Page 18 No. 10-16-23 Air to Extend (Close) Type 88 Air to Open Type 88 Air to Close Model 88 Actuator No. 6 No. 10-16-23 Air to Retract (Open) Figure 10 14 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.

  • Page 19: Type 51/52/53 Cylinder Actuators

    Connect manual loading panel tubing to the top plate (17). Apply required air pressure through the manual loading panel to completely extend the actuator stem. Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 15...
  • Page 20 Model 51 Double Acting Model 51 Double Acting With handwheel without volume chamber With handwheel with volume chamber With handwheel without volume chamber With handwheel with volume chamber Figure 13 16 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.
  • Page 21 Model 51 Double Acting Model 51 Double Acting Without handwheel Without handwheel with volume chamber with volume chamber Figure 14 Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 17...
  • Page 22 Model 52 Model 52 Model 52 Air to extend with handwheel Air to retract without handwheel Air to extend with handwheel Air to retract without handwheel Figure 15 18 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.
  • Page 23 Model 53 Air to extend with handwheel Air to retract without handwheel Air to extend with handwheel Air to retract without handwheel Figure 16 Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 19...
  • Page 24 SCTN A-A SCTN B-B SCTN C-C CM, DM handwheel CM, DM handwheel Typical for Models 51/52/53 Typical for Models 51/52/53 Figure 17 20 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.

  • Page 25: Parts Reference Table 51/52/53 Actuators

    Operating information plate Split clamp • 45 Bearing Drive screw Indicator arm Retaining pin Separator plate (Model 51) Volume chamber tube • Recommended Spare Parts Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 21...
  • Page 26 Notes 22 | Baker Hughes Copyright 2020 Baker Hughes Company. All rights reserved.
  • Page 27 Notes Copyright 2020 Baker Hughes Company. All rights reserved. Masoneilan 77000 Series Control Valves Instruction Manual | 23...
  • Page 28 Copyright 2020 Baker Hughes Company. All rights reserved. Baker Hughes provides this information on an “as is” basis for general information purposes. Baker Hughes does not make any representation as to the accuracy or completeness of the information and makes no warranties of any kind, specific, implied or oral, to the fullest extent permissible by law, including those of merchantability and fitness for a particular purpose or use.

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