3-PIECE FULL PORT BALL VALVE – MODEL ... - Sharpe® Valves

IM-39-1-0 (11/08)3-PIECE FULL PORT BALL VALVE – MODEL 39036INSTALLATION, OPERATION, AND MAINTENANCE INSTRUCTIONSSTEMHANDLE NUTGLANDSTEM SEALSTHRUST WASHERLOCKWASHERHANDLELATCH/LOCKHEX BOLTBALLSEAT/SEALEND CAPBODYHEX NUTLOCKWASHERINSTALLATION:These valves may be installed in the pipeline inany orientation or position, using good pipingpractice. For threaded end valves, use asuitable joint compound or TFE tape on pipethreads for ease of fit-up.Welding End Valves:Socket weld and butt weld end valves must bepartially disassembled to prevent heat damageduring welding of the soft plastic seats and sealsin the valve. Prior to disassembly, the valvemay be temporarily fitted in line, and the endstack-welded to the piping for alignmentpurposes.With the valve in the open position, remove thebody hex nuts and lock washers, and the bodyhex bolts. Carefully lift out the center section,making sure that the seat/seals are held inposition. Place the center section in a cleanarea where it will not be damaged, and completethe welding of the end caps to the piping.When the welds are cool to the touch, reinstallthe center section of the valve between the bodyend caps. Take care that the seat/seals are inplace and have not been damaged. Re-installthe body bolting, and tighten following the“Assembly” instructions on the following page.OPERATION:These are quarter-turn (90° rotation) ball valves,and are fitted with a latching lever handle formanual operation. The handles also containtravel stop tabs at the open and closedpositions. To open the valve, lift the latch/lockslider up, and turn the handle clockwise. Toclose the valve, lift the latch/lock and turn thehandle counterclockwise.

MAINTENANCE:----WARNING----Do not attempt to performmaintenance on valves inpressurized lines.Stem Seal Adjustment:If leakage is evident from the stem packing area,tighten the packing gland (below the handle) 1/8turn. If the leakage persists, repeat tightening.If leakage cannot be corrected by tightening thegland, replacement of the stem seals will benecessary.Seat & Seal Replacement:Turn valve to the open position and removehandle nut, lock washer, and handle. Loosenand remove packing gland from valve body.Loosen and remove body bolts, and removebody center section assembly, placing it on asuitable work surface. Remove seat/seals frombody.Using the handle if necessary, turn ball to theclosed position, and remove ball from body witha rolling motion away from the stem. Handleball with care to avoid damaging the surface.Push downwards on the top of the stem to slideit through the stem seals, and remove stem frominside body bore. Remove thrust washer fromstem, or from body bore if retained in body.Remove stem seals using a packing hook orsharp object.Sharpe recommends that all soft parts, includingseats be replaced with new parts, which can beordered in kit form.REASSEMBLY:Make sure all valve components are clean andundamaged before assembly.through the stem bore until the shoulder isseated in the bore.Slide stem seal over stem top, and into stembore in body. Take care not to damage seal onstem threads. Install packing gland, and tightenfinger tight.Place stem in the “closed” position, and installthe ball carefully by rolling the stem tang into theball slot.Install seat/seals in the body at each end,making sure the concave face fits against theball, and press the body seal edge into thegroove in the body face.Turn ball to the “open” position, and replacebetween the end caps in line. Slide body hexbolts through end caps and body guide holes,and secure with lock washers and hex nuts.Tighten snugly.Tighten packing gland to the torque value givenin the table below, and replace the handle, lockwasher, and handle nut.Tighten the body bolting to the torque valuesgiven in the table below, using a cross or starpattern to tighten evenly.Table 1 – Assembly TorquesValve SizeGlandTorque(in-lb)Body BoltTorque (inlb)¼” – 3/8” 35 50½” 35 110¾” – 1” 80 1151-1/4” – 115 1201-1/2”2” 115 1252-1/2” 250 3503” – 4” 350 460Install thrust washer on stem, and slide down toshoulder. Insert stem into body and upwards1260 Garnet Drive, Northlake, Illinois 60164-1028 Phone (877) 774-2773 Fax: (708) 562-0890 www.sharpevalves.com