Product Specification
JCM 102 Universal Clamp Couplings – Extended Range - sizes 4” through 8” (100-200mm) All full circumferential multi-band repair clamps 4” – 8” (100-200mm) larger shall have a minimum material standard of certifiable prime 304 Stainless Steel band; heavy duty, low profile Ductile Iron Lugs per ASTM A536 with mutually supporting sliding fingers; 5/8” corrosion resistant alloy bolts, per ASTM A242, A193 B5, B7, and a 1/4” thick Styrene-Butadiene Rubber (SBR) gridded gasket with tapered stainless steel bridge plate molded flush into the gasket. To provide extra tightening capability, the band shall be permanently attached to the lugs by crimping the lug and locking it in place with a minimum of three stainless welds per lug. JCM 102 Universal Clamp Couplings – Extended Range - sizes 10” (250mm) and larger All full circumferential multi-band repair clamps 10” (250mm) and larger shall have a minimum material of 17 gauge certifiable prime 304 Stainless Steel band; heavy duty Ductile Iron Lugs per ASTM A536 with mutually supporting sliding fingers; 3/4” corrosion resistant alloy bolts, per ASTM A242, A193 B5, B7, and a 1/4” thick Styrene-Butadiene Rubber (SBR) gridded gasket with tapered stainless steel bridge plate molded flush into the gasket. To provide extra tightening capability, the band shall be permanently attached to the lugs. The attachment shall withstand a minimum of 100 ft. lbs. of torque per bolt.
This typical specification, provided by JCM Industries, is a proposed guideline for use by specifying agencies to ensure significant design and material features of this product are included within the agencies’ individual specifications.
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Effective 01.10.2024
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