2.1.3.4
Copper Tubing
ASTM B 88, ASTM B 88M, Type K or L.
For compressed air tubing, ASTM B 251M
ASTM B 251.
2.1.3.5
Fittings for Brass or Copper Pipe
ASME B16.15, Class A or B.
2.1.3.6
Fittings for Copper Tubing
Cast or wrought bronze or wrought copper, soldered-joint, brazed-joint, or
flared-joint type, as specified, completely fabricated at the factory.
Bronze threaded fittings shall conform to the applicable requirements of
ASME B16.15. Cast copper alloy solder joint pressure fittings shall
conform to ASME B16.18. Fittings on Type L tubing shall be brazed-joint
type of cast or wrought bronze or wrought copper. Fittings on Type K
tubing shall be cast bronze flared joint type. Brass or bronze adapters
for brazed tubing may be used for connecting tubing to flanges and to
threaded ends of valves and equipment. Extracted brazed tee joints
produced with an acceptable tool and installed as recommended by the
manufacturer may be used. Grooved mechanical joints and fittings shall be
designed for not less than 862 kPa 125 psig service and shall be the
product of the same manufacturer. Grooved fitting and mechanical coupling
housing shall be ductile iron conforming to ASTM A 536. Gaskets for use in
grooved joints shall be molded synthetic polymer of pressure responsive
design and shall conform to ASTM D 2000 for circulating medium up to 110
degrees C 230 degrees F. Grooved joints shall conform to AWWA C606.
Coupling nuts and bolts for use in grooved joints shall be steel and shall
conform to ASTM A 183.
2.1.3.7
Malleable Iron Pipe Fittings
ASME B16.3, type required to match adjacent piping.
2.1.3.8
Nipples
ASTM A 733, standard weight.
2.1.3.9
Pipe
ASTM A 53/A 53M or ASTM A 106/A 106M, Grade A or B, black steel.
Pipe
shall be standard weight unless otherwise specified.
2.1.3.10
Welding Fittings for Pipe
ASME B16.9.
2.1.3.11
Pipe Flanges and Flanged Fittings
Steel flanges, ASTM A 181/A 181M and ASME B16.5. Convoluted flanges shall
mate with ASME B16.5, Class 150 flanges. Flanges and fittings shall have
the manufacturer's trademark affixed in accordance with MSS SP-25 so as to
permanently identify the manufacturer.
2.1.3.12
Pipe Hangers, Inserts, and Supports
MSS SP-58 and MSS SP-69.
SECTION 15562A
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