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MOGAS ISOLATOR 2.0 Installation, Operation And Maintenance Manual

Floating ball valve 1, 1.5, 2, 3 and 4 inch
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Installation, Operation
and Maintenance Manual
for the
MOGAS ISOLATOR 2.0 Floating Ball Valve
1, 1.5, 2, 3 and 4 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 1, 1.5, 2, 3 and 4 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-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

  • Page 3: Table Of Contents

    SERVICE CONTACT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

  • Page 4: Valve Item Reference Number

    Valve Item Reference Number Size 1 inch / 1½ inch / 2 inch ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 5 — — — Stop Plate • • — VERIFY SPARE PARTS Contact MOGAS or a MOGAS Authorized Repair Center to determine the spare parts and quantities required for your specific circumstance . ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 6 Valve Item Reference Number Size 3 inch / 4 inch Titanium, All other material ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 7 • — • Stop Plate — — — VERIFY SPARE PARTS Contact MOGAS or a MOGAS Authorized Repair Center to determine the spare parts and quantities required for your specific circumstance . ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

  • Page 8: 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 • manual actuation (handlever) • pneumatic actuation •...

  • Page 9: Transport And Storage

    Transport and Storage These procedures outline the general requirements for storage of MOGAS valves . TRANSPORT Valves will be shipped in seaworthy export packed wooden crates that are plastic lined . Upon arrival at the site, inspect the general condition of the valve (and actuator, if supplied) for any potential shipping damage .

  • Page 10: 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-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

  • Page 11: Pre-Installation

    . CAUTION! Do not install valve for pressures or temperatures higher than rated . THIS WILL AFFECT THE VALVE WARRANTY AND SAFE OPERATION . ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

  • Page 12: Installation

    / closed position indicators . Note: ISOLATOR 2.0 valves 3-inch or larger have scribed lines on stem. ISOLATOR 2.0 valves 2-inch or smaller do not have scribed lines on stem. If present, verify that the scribed lines on the stem align with the scribed lines on the gland flange These lines are approximate indications .
  • Page 13 SECURE VALVE IN PLACE Install flange gaskets and bolting per customer requirements . 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 14: 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 15: Maintenance

    Valves should always be fully opened and fully closed to wipe away any accumulation on the sealing surfaces . ACTUATOR LUBRICATION Keep hydraulic, pneumatic and worm gear actuators fully lubricated according to actuator manufacturer’s specifications . ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

  • Page 16: Replace Stem Packing

    . Then, slide the stop plate and off the stem . Note: ISOLATOR 2.0 models 3-inch and larger will not have a retaining ring or stop plate. REMOVE GLAND NUTS Remove the packing gland nuts...
  • Page 17 Correct staggered or alternating skive staggered or alternated during installation . This is cut positioning. done to prevent formation of a possible leak path . THIS WILL AFFECT THE VALVE WARRANTY . ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 18 . Once this is accomplished, remove the gland nuts gland flange and gland flange thruster Install the final anti-extrusion ring ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 19 . Install flat washers , if present, over gland studs . Note: ISOLATOR 2.0 models 3-inch and larger will not have flat washers. Install spring discs (live loading) over gland studs . Note: Spring discs must be installed in opposing pairs.

  • Page 20: 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-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 21 Place end connection on a flat surface in the vertical position with flanged-end down . REMOVE SEAT RING Note: ISOLATOR 2.0 models and sizes have different seat retention designs. Optional, based on Sizes 2-inch or smaller use a seat retaining ring model.
  • Page 22 If present, remove seat retaining ring from body Note: Some ISOLATOR 2.0 models have different seat retention devices that may have already been removed from end connection. VERIFY CLOSED POSITION Verify that the ball has been rotated to the fully closed position .
  • Page 23 (live loading) . Remove flat washers present . Note: ISOLATOR 2.0 models 3-inch and larger will not have flat washers. REMOVE GLAND FLANGE Lift upward to remove the packing gland flange REMOVE GLAND FLANGE THRUSTER Lift upward to remove the packing gland flange...
  • Page 24 If needed, use an air hose to clean debris from packing box before installing new packing rings . Note: Always wear a face shield or mono-goggles to protect eyes from flying debris. ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

  • Page 25: Evaluation And Rework

    For rework procedures, see C-Series IOM, which is available from our Media Centre at www.mogas.com. 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 26: Assembly

    . STEM ORIENTATION Flats on Double D stem (or keyways on stems from larger valves) faces the direction of the valve bore / end connects ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 27 Correct staggered or alternating skive staggered or alternated during installation . This is cut positioning. done to prevent formation of a possible leak path . THIS WILL AFFECT THE VALVE WARRANTY . ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 28 . Once this is accomplished, remove the gland nuts gland flange and gland flange thruster Install the final anti-extrusion ring ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 29 . Install flat washers , if present, over gland studs . Note: ISOLATOR 2.0 models 3-inch and larger will not have flat washers. Install spring discs (live loading) over gland studs . Note: Spring discs must be installed in opposing pairs.
  • Page 30 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-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 31 If present, install seat retaining ring in position over ball . Note: Some ISOLATOR 2.0 models have different seat retention devices that may require installation into end connection. INSTALL BODY GASKET Install body gasket into groove in body face .
  • Page 32 . 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 33 . Push retaining ring down over stem until it is flush with stop plate FIELD HYDROSTATIC TEST Refer to MOGAS test certificate for pressures or allowable leak rates . INSTALL VALVE Install valve in piping as required . Refer to Installation (page...

  • Page 34: Locate Valve Information

    Stem turns 90° counter-clockwise to open . This information is indicated on flange in this location . Pressure End — When valve is in closed position, highest pressure should be on this side . ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

  • Page 35: Return Merchandise Authorizations (Rma)

    Service page of our website (www .mogas .com) . 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-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...
  • Page 36 +86 (0)10 .8454 .9478 EUROPE Phone: +44 (0)1162 .793367 MIDDLE EAST Phone: +971 (0)4 .889 .5667 To locate a sales and service center in your area, visit us online at www .mogas .com . ESI-6149 © Copyright 01/22/2018 MOGAS Industries, Inc. www.mogas.com...

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