Sample High Performance Coupling Specification

Sample High Performance Coupling Specification

Materials:

Joints for Hubless Cast Iron Pipe & Fittings Above Grade

A.Couplings for joining hubless cast iron soil pipe and fittings conforming to ASTM A-888, shall be 3 inches wide for nominal pipe sizes 1½ to 4 inches in diameter, 4 inches wide for nominal pipe sizes 5 to 10 inches in diameter, and 5 5/8 inches wide for couplings 12 and 15 inches in diameter. Shields shall have a minimum thickness of .015 inches, (28 gage) type 304 stainless steel. Worm drive clamps shall be type 304 stainless steel with a minimum clamp torque of 80 in/lbs. Sealing Gasket shall be neoprene conforming to ASTM C-564. Couplings shall conform to Factory Mutual Standard 1680, Class 1, as manufactured by Clamp-All Products Model HI-TORQ 80; or conform to ASTM C-1540, as manufactured by Husky Technologies Model SD-4000.

1.Alternative to above, cast iron split clamps secured by stainless steel bolts and nuts with neoprene gasket conforming to ASTM C-564; as manufactured by MG Coupling Company.

2.Factory Mutual Approved Couplings may be hung with one hanger per length of pipe for 10 foot lengths and at every third fitting where they are contiguous in conformance with manufacturers installation instructions.

Joints for Hubless Cast Iron Pipe & Fittings Below Grade

A.Couplings for joining hubless cast iron soil pipe and fittings conforming to ASTM A-888, shall be 3 inches wide for nominal pipe sizes 1½ to 4 inches in diameter, 4 inches wide for nominal pipe sizes 5 to 10 inches in diameter, and 5 5/8 inches wide for couplings 12 and 15 inches in diameter. Sealing Gasket shall be neoprene conforming to ASTM C-564. Shields shall have a minimum thickness of .024 inches (24 gage) type 304 stainless steel. Worm drive clamps shall be type 304 stainless steel, with a minimum clamp torque of 125 in/lbs, as manufactured by Clamp-All Products, Model HI-TORQ 125

1.Alternative to above, cast iron split clamps secured by stainless steel bolts and nuts with neoprene gasket conforming to ASTM C-564; as manufactured by MG Coupling Company.