Quantcast Thermoplastic Pipe, Tubing, Joints, and Fittings

Thermoplastic Pipe, Tubing, Joints, and Fittings
Thermoplastic pipe, tubing, joints and fittings shall conform to ASTM D 2513.
Fiberglass Pipe, Joints, and Fittings
Fiberglass piping systems shall conform to ASTM D 2517.
Sealants for Steel Pipe Threaded Joints
Joint sealing compound shall be listed in UL Gas&Oil Dir, Class 20 or less.
Tetrafluoroethylene tape shall conform to UL Gas&Oil Dir.
Pipe flow markings and metal tags shall be provided as required.
Flange Gaskets
Gaskets shall be nonasbestos compressed material in accordance with ASME
B16.21, 1.6 mm 1/16 inch thickness, full face or self-centering flat ring
type.  The gaskets shall contain aramid fibers bonded with styrene
butadiene rubber (SBR) or nitrile butadiene rubber (NBR) suitable for a
maximum 316 degrees C 600 degree F service.  NBR binder shall be used for
hydrocarbon service.
Pipe Threads
Pipe threads shall conform to ASME B1.20.1.
Escutcheons shall be chromium-plated steel or chromium-plated brass, either
one piece or split pattern, held in place by internal spring tension or set
Gas Transition Fittings
Gas transition fittings shall be manufactured steel fittings approved for
jointing metallic and thermoplastic or fiberglass pipe.  Approved
transition fittings are those that conform to AGA XR0104 requirements for
transitions fittings.
Insulating Pipe Joints
Insulating Joint Material
Insulating joint material shall be provided between flanged or threaded
metallic pipe systems where shown to control galvanic or electrical action.
Threaded Pipe Joints
Joints for threaded pipe shall be steel body nut type dielectric unions
with insulating gaskets.
Flanged Pipe Joints
Joints for flanged pipe shall consist of full face sandwich-type flange
insulating gasket of the dielectric type, insulating sleeves for flange
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