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MOGAS ISOLATOR 2.0 Installation, Operation And Maintenance Manual

Floating ball valve 6, 8, 10 and 12 inch
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Installation, Operation
and Maintenance Manual
for the
MOGAS ISOLATOR 2.0 Floating Ball Valve
6, 8, 10 and 12 inch
PREPARE THE VALVE FOR
INSTALLATION
INSTALL THE VALVE
PROPERLY
MAINTAIN THE VALVE FOR
OPTIMAL OPERATION
AND PERFORMANCE

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Summary of Contents for MOGAS ISOLATOR 2.0

  • Page 1 Installation, Operation and Maintenance Manual for the MOGAS ISOLATOR 2.0 Floating Ball Valve 6, 8, 10 and 12 inch PREPARE THE VALVE FOR INSTALLATION INSTALL THE VALVE PROPERLY MAINTAIN THE VALVE FOR OPTIMAL OPERATION AND PERFORMANCE...
  • Page 2 THIS PAGE INTENTIONALLY LEFT BLANK ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 3: Table Of Contents

    APPENDIX - BODY STUD TORQUES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35 ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 4: Valve Item Reference Number

    Valve Item Reference Number Size 6, 8, 10 and 12 inch ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 5 • • Anti-Static Device — • — VERIFY SPARE PARTS Contact MOGAS or a MOGAS Authorized Repair Center to determine the spare parts and quantities required for your specific serial number . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 6: Read Before Installing Valve

    Read Before Installing Valve All MOGAS valves operate counter-clockwise to open, clockwise to close . MOGAS valves are supplied in a variety of operator configurations based upon customer requirements, and may be operated by • pneumatic actuation • worm gear actuation (handwheel) •...

  • Page 7: Transport And Storage

    Transport and Storage These procedures outline the general requirements for storage of MOGAS valves . TRANSPORT Valves will be shipped and packaged per customer’s requirements . Upon arrival at the site, inspect the general condition of the valve (and actuator, if supplied) for any potential shipping damage .

  • Page 8: Correct Valve Orientation

    Preferred Sealing Seat – Located opposite the marked pressure end, in the downstream position . The valve must be installed with the marked pressure end positioned toward the higher pressure when in the closed position . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 9: Pre-Installation

    . CAUTION! Do not install valve for pressures or temperatures higher than rated . THIS WILL AFFECT THE VALVE WARRANTY AND SAFE OPERATION . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 10: Installation

    Notes: Valve item numbers shown in bold correspond with items shown in the Valve Item Reference Number section (pages 4–5) of this document. MOGAS ships valves in the open position unless operator is fail closed. VERIFY OPERATING POSITION Note: The MOGAS valve operates counter-clockwise to open, clockwise to close.
  • Page 11 Install flange gaskets and bolting per industry requirements . Always tighten in star pattern to prevent leaks . Torque as required . Note: MOGAS valve flanges are supplied in the customary “straddle centerline” hole orientation, unless otherwise specified. Straddle centerline hole orientation VERIFY OPERATION After installation, open and close several times to ensure smooth operation .

  • Page 12: Operation

    Operation OPEN / CLOSE All MOGAS ball valves are designed for on / off services only . To operate, turn counter-clockwise to open and clockwise to close . Fully OPEN position. OPEN CLOSE Note: When cycling the valve open or close, make sure that the valve is fully opened and fully closed.

  • Page 13: Maintenance

    . ACTUATOR LUBRICATION Keep hydraulic and worm gear actuators fully lubricated according to actuator manufacturer’s specifications . See actuator manufacturer’s specification or product manual . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 14: Replace Stem Packing

    MOGAS for assistance . REMOVE GLAND NUTS Remove the packing gland nuts and spring discs (live loading) REMOVE GLAND FLANGE Lift upward to remove the packing gland flange ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 15 . This is Correct staggered or alternating skive done to prevent formation of a possible leak path . cut positioning. THIS WILL AFFECT THE VALVE WARRANTY . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 16 . Tighten all nuts evenly until there is enough depth for the final anti-extrusion ring fit flush into the pocket . Once this is accomplished, remove the gland nuts and gland flange Install the final anti-extrusion ring ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 17 THIS WILL AFFECT THE VALVE WARRANTY . CHECK FOR OPERATOR If valve requires actuator, install per instructions provided by manufacturer or consult MOGAS for assistance . If valve uses handlever operator, install stop plate first . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 18: Disassembly

    Mark any matching components with a marker, tape, etc., prior to disassembly, for ease of reassembly. REMOVE VALVE Remove valve from piping . Note: Support or lift as required. Let valve rest on body end with bore vertical . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 19 Seat locking screws are tac-welded during original assembly . The tac should break when using the allen wrench to remove the screws . CAUTION! Do not damage seat pocket when removing seat ring . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 20 REMOVE GLAND NUTS Remove the packing gland nuts and spring discs (live loading) REMOVE GLAND FLANGE Lift upward to remove the packing gland flange REMOVE GLAND STUDS Remove gland studs from body 02 . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 21 Carefully remove stem through access port or body cavity . REMOVE INNER STEM SEAL Remove inner stem seal from stem REMOVE ANTI-STATIC DEVICE Using a flat head screwdriver, remove anti-static pin device from stem ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 22 . If needed, use an air hose to clean debris from packing box before installing new packing rings . Note: Wear a face shield or mono-goggles to protect eyes from flying debris. ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 23: Evaluation And Rework

    . SPARE PARTS KIT If you have purchased a spare parts kit from MOGAS, prepare the parts for assembly now . The kit should include a matched ball and seats, in addition to any seals, gaskets, springs, packing and fasteners required .

  • Page 24: Assembly

    . STEM ORIENTATION Keyway on stem faces the direction of the valve bore / end connects . Stem groove should align and center facing upwards . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 25 . This is done to prevent formation of a possible leak path . Correct staggered or alternating skive THIS WILL AFFECT THE VALVE WARRANTY . cut positioning. ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 26 . Tighten all nuts evenly until there is enough depth for the final anti-extrusion ring fit flush into the pocket . Once this is accomplished, remove the gland nuts and gland flange Install the final anti-extrusion ring ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 27 . THIS WILL AFFECT THE VALVE WARRANTY . REMOVE JACKING BOLT Carefully remove jacking bolt (or similar tool .) Avoid scratching any surfaces during removal . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 28 Roll ball into a fixed, closed position . Ball should “rock” when properly positioned . CAUTION! For larger valves, use nylon straps to prevent damage to ball coating . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 29 . Follow up by using a flathead screwdriver to tighten in same pattern . End by tac-welding screws to locking ring . INSTALL BODY GASKET Install body gasket into groove in body face . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 30 . Note: MOGAS valve flanges are supplied in the customary “straddle centerline” hole orientation, unless otherwise specified. Lower end connection onto body face . Watch that seat ring does not fall out or crush body gasket .
  • Page 31 If valve requires actuator, install per instructions provided by manufacturer or consult MOGAS for assistance . FIELD HYDROSTATIC TEST Refer to MOGAS test certificate for pressures or allowable leak rates . INSTALL VALVE Install valve in piping as required .

  • Page 32: Locate Valve Information

    (MOGAS End) P: Part Number R: Revision Level H: Heat Number M: Material Grade X: NCR or EDR Number Note: The marking orientation mus be parallel to the bore as shown if possible. ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 33: Return Merchandise Authorizations (Rma)

    A Safety Data Sheet for process media must be included with shippment . Service Contact MOGAS Service may be reached 24 hours per day / 7 days per week . Telephone: +1 281 .449 .0291 Email: service@mogas .com ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 34: Appendix - Gland Stud Torques

    2.875 2.25 2.75 3/4-10 UNC Chesterton 1622 3.125 3.875 1-8 UNC 2.75 3.25 7/8-9 UNC Chesterton 1622 3.875 4.625 1 1/8-8 UN 3.25 Chesterton 1622 3.625 4.375 1 1/8-8 UN 4.625 5.375 ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

  • Page 35: Appendix - Body Stud Torques

    1061 F316 B8M Cl 2 1 3/8-8 UN 7/8-9 UNC A105 CF8M B8M Cl 2 1399 1 1/2-8 UN CF8M B8M Cl 2 1119 3464 2-8 UN CF8M B8M Cl 2 2771 ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...
  • Page 36 +86 (0)10 .84549478 EUROPE Phone: +44 (0)116 .279 .3367 MIDDLE EAST Phone: +971 (0)4 .880 .8787 To locate a sales and service center in your area, visit us online at www .mogas .com . ESI-6152 © Copyright 01/25/2023 MOGAS Industries, Inc. www.mogas.com...

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