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Summary of Contents for Baker Hughes Masoneilan 525
- Page 1 Masoneilan* 525 & 526 Models Reducing and Back Pressure Regulators Instruction Manual (Rev. B) BHGE Data Classification: Public...
- Page 2 THESE INSTRUCTIONS PROVIDE THE CUSTOMER/OPERATOR WITH IMPORTANT PROJECT-SPECIFIC REFERENCE INFORMATION IN ADDITION TO THE CUSTOMER/OPERATOR’S NORMAL OPERATION AND MAINTENANCE PROCEDURES. SINCE OPERATION AND MAINTENANCE PHILOSOPHIES VARY, BHGE (BAKER HUGHES, A GE COMPANY AND ITS SUBSIDIARIES AND AFFILIATES) DOES NOT ATTEMPT TO DICTATE SPECIFIC PROCEDURES, BUT TO PROVIDE BASIC LIMITATIONS AND REQUIREMENTS CREATED BY THE TYPE OF EQUIPMENT PROVIDED.
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Page 3: Table Of Contents
Valve Body Reassembly ................................6 525 (Reducing Service) ................................. 6 526 (Back Pressure Service) ..............................7 Actuators ......................................7 10.1 Type 10900 Actuators ................................7 © 2018 Baker Hughes, a GE company. All Rights Reserved. Masoneilan Regulators Models 525 & 526 Manual I c... -
Page 5: Safety Information
• All surrounding pipe lines must be thoroughly flushed to ensure all entrained debris has been removed from the system. 1 | BHGE © 2018 Baker Hughes, a GE company. All Rights Reserved. -
Page 6: Introduction
These installation and maintenance instructions apply to and understood prior to installing, operating or performing all sizes and ratings of the Masoneilan 525/526 model regulators regardless of the type of trim used. maintenance on this equipment. Throughout the text, safety... -
Page 7: Installation
500 Series design and it is imperative that a new gasket be Prior to performing maintenance on the valve, isolate the installed each time the valve is disassembled valve and vent the process pressure. 3 | BHGE © 2018 Baker Hughes, a GE company. All Rights Reserved. -
Page 8: Maintenance & Repair
The only remedy is replacement or re-machining of one or both parts. When lapping new © 2018 Baker Hughes, a GE company. All Rights Reserved. Masoneilan Regulators Models 525 & 526 Manual | 4... -
Page 9: 526 (Back Pressure Service)
Remove any burrs from the plug guide by making a NOTE: The plug should be lifted and turned 90° each time slight counter bore. before repeating Step (9). This intermittent lifting is 5 | BHGE © 2018 Baker Hughes, a GE company. All Rights Reserved. -
Page 10: Packing Box
500 Series design. It is imperative that a new gasket be Replace and tighten packing stud nuts (15). installed each time the valve is disassembled. © 2018 Baker Hughes, a GE company. All Rights Reserved. Masoneilan Regulators Models 525 & 526 Manual | 6... -
Page 11: 526 (Back Pressure Service)
Carefully install plug and stem assembly into valve body. Install body-blind head gasket Install blind head, carefully inserting lower guide into lower bushing. Install body gasket (22). 7 | BHGE © 2018 Baker Hughes, a GE company. All Rights Reserved. - Page 12 Figure 1a: Typical Reducing Application Figure 1b: Typical Back Pressure Application Figure 3: Seat Lapping Device Figure 2: Lubricator Connection (Optional) © 2018 Baker Hughes, a GE company. All Rights Reserved. Masoneilan Regulators Models 525 & 526 Manual | 8...
- Page 13 3. Reject assembly if metal-to-metal contact is not achieved after reaching Maximum Torque. 4. Torque requirements shown are for standard B7 studs and 2H nuts. Figure 4: Bolt Pinning Dimensions Figure 5: Bolt Tightening Sequence 9 | BHGE © 2018 Baker Hughes, a GE company. All Rights Reserved.
- Page 14 ● 22 Gasket ● 8 Plug Pin 15 Packing Nut Guide Bushing 9 Blind Head ● 16 Packing ● Denotes Recommended Spare Part © 2018 Baker Hughes, a GE company. All Rights Reserved. Masoneilan Regulators Models 525 & 526 Manual | 10...
- Page 15 Baker Hughes, a GE company and the GE monogram are trademarks of the General Electric Company.
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