MOGAS C Series Installation, Operation And Maintenance Manual
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MOGAS C Series Installation, Operation And Maintenance Manual

Metal-seated ball valve
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Installation, Operation
and Maintenance Manual
for the
MOGAS C-Series Metal-Seated Ball Valve
PREPARE THE VALVE FOR
INSTALLATION
ACTUATE THE VALVE
INSTALL THE VALVE
PROPERLY
MAINTAIN THE VALVE FOR
OPTIMAL OPERATION
AND PERFORMANCE

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Summary of Contents for MOGAS C Series

  • Page 1 Installation, Operation and Maintenance Manual for the MOGAS C-Series Metal-Seated Ball Valve PREPARE THE VALVE FOR INSTALLATION ACTUATE THE VALVE INSTALL THE VALVE PROPERLY MAINTAIN THE VALVE FOR OPTIMAL OPERATION AND PERFORMANCE...

  • Page 2: Table Of Contents

    VALVE ITEM REFERENCE NUMBER MOGAS valves are supplied in a variety of operator configurations based MANUAL ADAPTION (HANDLEVER)........
  • Page 3 Access Plate (as required) Screw Mounting Flange Adaptor Handlever Seat Locking Ring Seat Locking Screws (as required) Access Plate (as required) ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 4 (as required) Socket Head Screw Mounting Flange Adaptor (optional) Seat Locking Ring Seat Locking Screws (as required) Access Plate (as required) ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

  • Page 5: Transport And Storage

    The valve should be stored in the vertical position, out of the weather (inside), until repairs can be made. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

  • Page 6: Install Operator

    THIS WILL AFFECT THE VALVE WARRANTY. If necessary, tap into place using a hammer and a brass or aluminum rod or wooden block. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 7 Misalignment can result in valve under- or over- stroke, creating a potential leak path. THIS WILL AFFECT THE VALVE WARRANTY. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

  • Page 8: Actuator Adaption

    Torque the bolting per the specifications included with the test certificate for each individual valve serial number. THIS WILL AFFECT THE VALVE WARRANTY. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 9 CAUTION! THIS WILL AFFECT THE VALVE WARRANTY. If the actuator is supplied by MOGAS, refer to the torque values in the test certificate provided for each individual valve serial number. Otherwise, refer to the manufacturer’s specifications.

  • Page 10: Installation

    Note: seat surfaces match. (Seat leakage may occur MOGAS valve flanges are supplied in the customary “straddle centerline” when the ball and seat surfaces are not matched hole orientation, unless otherwise specified.

  • Page 11: Operation

    Maintenance CAUTION! OPEN / CLOSE It is extremely important to follow these steps to All MOGAS ball valves are designed for on / off ensure maximum valve performance. services only. THIS WILL AFFECT THE VALVE WARRANTY. To operate, turn counter-clockwise to open and clockwise to close.

  • Page 12: Remove Operator

    In most cases, it is recommended to leave the mounting flange adaptor in place to maintain accurate open / closed stop positions. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

  • Page 13: Actuator Adaption

    Seat leakage may occur when the ball and seat surfaces are not matched.) THIS WILL AFFECT THE VALVE WARRANTY. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

  • Page 14: Rotate Operator

    / actuator removal procedures. Note: As a standard practice, MOGAS adaption is designed to be rotated in 90° Note: increments. Valve item numbers shown in bold correspond with items shown in the Valve Item Reference Number, Actuator Adaption section (pages 6 and 7) of this document.
  • Page 15 INSTALL BOLTS Install the actuator bolts , and torque as required. CAUTION! If the actuator is supplied by MOGAS, refer to the torque values in the test certificate provided for each individual valve serial number. Otherwise, refer to the manufacturer’s specifications.

  • Page 16: Replace Stem Packing

    REMOVE GLAND FLANGE Lift upward to remove the packing gland flange THIS WILL AFFECT THE VALVE WARRANTY. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 17 Note: Refer to Bill of Materials supplied with each individual valve serial number for specific quantity. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 18 Refer to Install Operator – Manual Adaption (Handlever) (page 10) or Install Operator – Actuator Adaption (page 14) as required. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

  • Page 19: Disassembly

    Lift the mounting flange adaptor straight up and off the valve mounting flange. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 20 REMOVE BODY STUDS Remove body studs from body CAUTION! For larger valves, use nylon straps to prevent damage to ball coating. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 21 If a stem access port is present, the access plate must be removed. Remove access plate nuts , access plate gasket and studs ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

  • Page 22: Rework Components

    Note: Always wear a face shield or mono-goggles to protect eyes from flying debris. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

  • Page 23: Re-Assembly

    Prior to assembly, verify that the valve body resting on a flat surface in the vertical position with If surfaces do not clean up, send to MOGAS or a the flanged-end down and body cavity upright. MOGAS authorized repair facility for re-machining, or call +1.281.449.0291 for technical assistance.
  • Page 24 ‘T’ to the top. stamped should be 90° counter-clockwise from the end connection , or body-bolting side of the valve. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 25 Install the second anti-extrusion ring ring to fit flush in the pocket. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 26 “drive” the stem with a hammer until the contact is made. You will hear a distinct tone when contact is made. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 27 Ball should “rock” when properly positioned. CAUTION! For larger valves, use nylon straps to prevent damage to ball coating. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 28 CAUTION! Cover seat ring to protect it from weld spatter. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 29 Note: INSTALL OPERATOR MOGAS valve flanges are supplied in the customary “straddle centerline” Install the operator as required for manual adaption or hole orientation, unless otherwise specified. actuator adaption. Lower end connection onto body face. Watch that seat ring does not fall out or crush body gasket.

  • Page 30: Locate Valve Information

    MOGAS Service may be reached PRESSURE CLASS 24 hours per day / 7 days per week. Telephone: +1 281.449.0291 Email: service@mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...
  • Page 31 • Viscous sludge CHINA • Critical plant safety applications Phone: +86 (0)10.8454.9478 EUROPE Phone: +44 (0)1162.793367 To locate a sales and service center in your area, visit us online at www.mogas.com. ESI-6121 Rev D © Copyright 03/2022 MOGAS Industries, Inc. www.mogas.com...

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