Product Specification
JCM 112 Heavy Duty Patch Clamps – sizes 1-1/2” – 8” (40-200mm) All single band patch clamps 1-1/2” (40mm) and 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 Styrene-Butadiene Rubber (SBR) gridded 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. Optional features available; see material specification. Clamps 10” and 12” (250-300mm) 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. 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. Optional features available; see material specification. JCM 113 Multi Band Patch Clamps - sizes 10” – 24” (250-600mm) and larger All multi-band patch 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. To provide extra tightening capability, the bands 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.
www.jcmindustrialfittings.com
Effective 01.10.2024
Powered by FlippingBook