Baker Hughes Masoneilan 74000 Series Instruction Manual

Erosion resistant
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Masoneilan*
74000
Series
Erosion Resistant Control Valves
Instruction Manual (Rev.A)
BHGE Data Classification : Public

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Summary of Contents for Baker Hughes Masoneilan 74000 Series

  • Page 1 Masoneilan* 74000 Series Erosion Resistant Control Valves Instruction Manual (Rev.A) BHGE Data Classification : Public...
  • Page 2 INSTALLATION, TESTING, OPERATION, AND/OR MAINTENANCE OF THE EQUIPMENT DESCRIBED. THIS DOCUMENT SHALL NOT BE REPRODUCED IN WHOLE OR IN PART TO ANY THIRD PARTY WITHOUT THE WRITTEN APPROVAL OF BHGE. b | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 3: Table Of Contents

    Type 51/52/53 Cylinder Actuators ................13 © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 4: Safety Information

    • All surrounding pipe lines must be thoroughly flushed to ensure all entrained debris has been removed from the system. 2 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 5: Introduction

    Spare Parts the Masoneilan 74000 Series control valves. Only Masoneilan replacement parts should be used The Masoneilan 74000 Series product is part of BHGE’s when carrying out maintenance operations. Obtain Engineered Product portfolio, and is custom designed replacement parts through local BHGE representatives to fit our customer’s most difficult applications.
  • Page 6: Unpacking

    This means that the valve must (i.e., air-to-extend, air-to-retract, or double-acting). always be opened before carrying out pressure tests in the process line, cleaning of pipes, etc. Otherwise 4 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 7: Disassembly

    For this actuator configuration, the valve plug is already inner liner. in the fully retracted position without any air pressure This assembly should be purchased as a applied. © 2018 Baker Hughes, a GE company. All rights reserved. Masoneilan 74000 Series Control Valves Instructions Manual | 5...
  • Page 8: Maintenance & Repair

    The purpose of this section is to provide recommended for leakage. Tighten packing flange nuts (18) maintenance and repair procedures. These procedures as required. assume the availability of standard shop tools and equipment. 6 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 9: Valve With Graphite Packing

    (and extremely brittle) parts. For this reason, the plug they move freely. and stem assembly must always be replaced together as a complete assembly with factory OEM parts. © 2018 Baker Hughes, a GE company. All rights reserved. Masoneilan 74000 Series Control Valves Instructions Manual | 7...
  • Page 10: Body Bolting

    Figure 2: Torque Sequence Check plug and stem assembly in between various tightening steps to make sure they are not binding due to misalignment. 8 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 11 Figure 3: 74000 Series Control Valve © 2018 Baker Hughes, a GE company. All rights reserved. Masoneilan 74000 Series Control Valves Instructions Manual | 9...
  • Page 12: Parts References

    Push down the actuator, and screw on the yoke nut (33) at the same time. Then assemble the bottom stem connector (2) assembly by screwing until it 10 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 13 (5), hex nut (1), and lock nut (32). 11. Shut off the closed valve pressure and check that operation is correct. © 2018 Baker Hughes, a GE company. All rights reserved. Masoneilan 74000 Series Control Valves Instructions Manual | 11...
  • Page 14 Type 88 Air to Open No. 10-16-23 No. 10-16-23 Model 87 Actuator Model 88 Actuator Air to Extend (Close) Air to Retract (Open) Figure 4: 87/88 Actuators 12 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 15: Type 51/52/53 Cylinder Actuators

    Lock Washers (25), and Hexagon Bolts (24). 8. Line up the indicator plate (26), with Indicator arm (23) and check actuator for proper operation. © 2018 Baker Hughes, a GE company. All rights reserved. Masoneilan 74000 Series Control Valves Instructions Manual | 13...
  • Page 16 Model 51 Double Acting Model 51 Double Acting With handwheel without volume chamber With handwheel with volume chamber Figure 7: Model 51 Actuator 14 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 17 Model 51 Double Acting Without handwheel without volume chamber Model 51 Double Acting Without handwheel with volume chamber Figure 8: Model 51 Actuator © 2018 Baker Hughes, a GE company. All rights reserved. Masoneilan 74000 Series Control Valves Instructions Manual | 15...
  • Page 18 Model 52 Model 52 Air to extend with handwheel Air to retract without handwheel Figure 9: Model 52 Actuator 16 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 19 Model 53 Model 53 Air to extend with handwheel Air to retract without handwheel Figure 10: Model 53 Actuator © 2018 Baker Hughes, a GE company. All rights reserved. Masoneilan 74000 Series Control Valves Instructions Manual | 17...
  • Page 20 Figure 11: CM, DM handwheel - Typical for models 51/52/53 18 | BHGE © 2018 Baker Hughes, a GE company. All rights reserved.
  • Page 21 Indicator arm Retaining pin Separator plate (Model 51) Volume chamber tube • Recommended Spare Parts Table 5: Models 51/52/53 Actuators Parts List © 2018 Baker Hughes, a GE company. All rights reserved. Masoneilan 74000 Series Control Valves Instructions Manual | 19...
  • Page 22 The BHGE logo is a trademark of Baker Hughes, a GE company LLC. GE and the GE monogram are trademarks of the General Electric Company used under trademark license.

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