Baker Hughes Masoneilan 31 Series Instruction Manual

Baker Hughes Masoneilan 31 Series Instruction Manual

Rotary valve actuator

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31/32/36 Series
Rotary Valve Actuator
Instruction Manual (Rev.A)
Baker Hughes Data Classification: Public

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Summary of Contents for Baker Hughes Masoneilan 31 Series

  • Page 1 31/32/36 Series Rotary Valve Actuator Instruction Manual (Rev.A) 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: Table Of Contents

    3.4 Handwheel Assembly ...........................7 3.5 Assembly Adjustments ..........................8 3.5.1 Lever Arm Adjustments .........................8 3.5.2 Travel Stop Adjustments ........................8 3.6 Final Assembly and Inspection ........................8 Masoneilan 31/32/36 Series Rotary Actuator Instruction Manual | c Copyright 2023 Baker Hughes Company. All rights reserved.
  • Page 4: Safety Information

    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 5: General

    Figure 1, which can and valve of all foreign material such as welding debris, scale, be scanned to access the valve details through Baker Hughes oil, grease or dirt. Gasket surfaces must be thoroughly cleaned ValvCentral, including as designed conditions, bill of material, to insure leak-free joints.
  • Page 6: Maintenance

    Set screw Lock washer Lock washer Actuator plate Information plate Hole cover Hole cover Top View Sectioned front view with coupler and adapter Figure 2: Main Actuator Assembly 3 | Baker Hughes Copyright 2023 Baker Hughes Company. All rights reserved.
  • Page 7 Handwheel option Typical Lever subassembly (1-11) 1-13-2 1-11 1-13-1 TOP View – Without Handwheel option Typical Front cover subassembly (1-13) Figure 3: Housing/Linkage Subassembly Masoneilan 31/32/36 Series Rotary Actuator Instruction Manual | 4 Copyright 2023 Baker Hughes Company. All rights reserved.
  • Page 8: Yoke And Housing Installation On Valve

    Loctite 242 or equivalent. The nut should be hand tightened only. • Remove tension bolts or hydraulic load, remove spring pack assembly and set aside. Use caution when handling the spring pack assembly. 5 | Baker Hughes Copyright 2023 Baker Hughes Company. All rights reserved.
  • Page 9: Diaphragm Power Head Assembly

    (4), lock washers (17), and hex nuts (11). Torque nuts to 30 lb-ft., evenly in a criss-cross pattern. • See Sections 3.5 & 3.6 for final assembly and adjustments. Masoneilan 31/32/36 Series Rotary Actuator Instruction Manual | 6 Copyright 2023 Baker Hughes Company. All rights reserved.
  • Page 10: Handwheel Assembly

    Adapter Plate 1-14-10 Cap screw 1-14-11 Lock Washer 1-14-12 Hex cap screw 1-14-8 1-14-7 1-14-12 1-14-4 1-14-11 1-14-5 1-14-2 1-14-1 1-14-10 1-14-9 1-14-6 1-14-3 Figure 5: Handwheel Subassembly 7 | Baker Hughes Copyright 2023 Baker Hughes Company. All rights reserved.
  • Page 11: Assembly Adjustments

    • Verify that all warning labels are attached to the actuator. • Ensure that the Maintenance Instructions accompany the actuator for shipment. Masoneilan 31/32/36 Series Rotary Actuator Instruction Manual | 8 Copyright 2023 Baker Hughes Company. All rights reserved.
  • Page 12 Baker Hughes reserves the right to make changes in specifications and features shown herein, or discontinue the product described at any time without notice or obligation.

This manual is also suitable for:

Masoneilan 32 seriesMasoneilan 36 series

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