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Baker Hughes Mooney 20 Series Instruction Manual

Relief valve
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Mooney
™
Series 20 Relief Valve
Instruction Manual (Rev.C)
Baker Hughes Data Classification : Public

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Summary of Contents for Baker Hughes Mooney 20 Series

  • Page 1 Mooney ™ Series 20 Relief Valve 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 Mooney Series 20 Relief Valve Instruction Manual | 1 Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 4 This includes any potential control and/or pressurized narcotics. signals or circuits that may have a remote or automated parts. control function over any product. 2 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 5 Wear necessary pro- Always use appropriate tective equipment restoration procedures. to prevent possible injury Mooney Series 20 Relief Valve Instruction Manual | 3 Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 6: Table Of Contents

    Mooney Series 20 Pilot ......................13 Product Description ........................13 General Description .......................13 Pilot Markings (Figure 12) ......................15 Maintenance ..........................15 Pilot Disassembly ........................16 Pilot Assembly ...........................16 Hydrostatic Testing ........................18 Accessories ..........................18 4 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 7: Product Introduction

    The Type 25 Restrictor is required for normal valve operation. The recommended and factory setting for optimal performance is ‘2’. Mooney Series 20 Relief Valve Instruction Manual | 5 Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 8: Nameplate Information

    Year Manufactured Sales Order Number Max Temp Maximum Operating Temperature Bolt Torq Recommended Cover Plate Bolt Torque Table 2 Figure 2 Nameplate of Mooney Series 20 Relief Valve 6 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 9: Principle Of Operation

    The disc obtains full reseat at 1.5 psig or 5% below set equal between system pressure in the sense chamber and the point, whichever is greater. Mooney Series 20 Relief Valve Instruction Manual | 7 Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 10: Installation

    The Pilot Outlet connects to the NPT tapped main valve outlet port Connect the flanged inlet system piping to the upstream inlet flange Connect the flanged outlet system piping to the downstream outlet flange 8 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 11: Startup And Operation

    If installed, open hand valve(s) in the sense line, and the pilot supply line. Mooney Series 20 Relief Valve Instruction Manual | 9 Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 12: Disassembly Of The Mooney Series 20 Relief Valve

    Cover Plate O-Ring Guide Guide O-Ring Disc Seal Guide Ring(s) Disc Seat O-Ring O-Ring Retainer Lock Screw Nozzle Nozzle O-Ring Cap (Cover Plate) Screws Cover Plate Base Figure 9 10 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 13: Cleaning

    Spring Energized Seal would be installed. with the nozzle. Spring: Check for any corrosion issues that might cause the spring not to operate as designed. Mooney Series 20 Relief Valve Instruction Manual | 11 Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 14 Full Bore 3.00 76.2 Full Bore 4.00 101.6 Full Bore 6.00 152.4 Full Bore 8.00 203.2 Full Bore 10.00 254.0 Full Bore 12.00 304.8 Full Bore Table 4 12 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 15: Reassembly Of Pilot To Main Valve

    (Principle of Operation Section). The restrictor must be the Mooney Type 25 Restrictor and must be installed in the pilot inlet connection (3). Mooney Series 20 Relief Valve Instruction Manual | 13 Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 16 200 - 520 psi (14 - 36 bar) Black 040-009-01 20H & 20HS 400 - 900 psi (27 - 62 bar) Green 040-020-01 Spacer on Adjustment Screw Required Table 8 14 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 17: Pilot Markings (Figure 12)

    Failure to properly complete these steps may result in personal injury and property damage. Mooney Series 20 Relief Valve Instruction Manual | 15 Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 18: Pilot Disassembly

    Install Spring and Spring Follower. Lubricate Spring Follower diaphragm spacer assembly. with a Petroleum Oil Grease such as Lubriplate No. 1051. Figure 17 Diaphragm Assembly for the Flowgrid Series 20 & 20S Pilot. 16 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 19 Figure 23 Installing the closing cap assembly with spacer (to prevent spring over compression) for Pilots with the Black and Green Springs. Mooney Series 20 Relief Valve Instruction Manual | 17 Copyright 2021 Baker Hughes Company. All rights reserved.

  • Page 20: Hydrostatic Testing

    After hydrostatic test is completed, follow the disassembly, cleaning, and assembly procedures in the respective Maintenance Manuals. WARNING: Maximum Valve Hydrostatic Pressure is not the same as Line Hydrostatic Pressure 18 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 21 0.4535924 kg/hr psig 0.06894757 barg ft lb 1.3558181 °F 5/9 (°F-32) °C Note: Multiply USCS value with conversion factor to get metric value. Mooney Series 20 Relief Valve Instruction Manual | 19 Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 22 Notes 20 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 23 Notes Mooney Series 20 Relief Valve Instruction Manual | 21 Copyright 2021 Baker Hughes Company. All rights reserved.
  • Page 24 Copyright 2021 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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