Leak repair clamps shall meet or exceed the performance specifications of: a. ASTM Standards A536 Ductile Iron b. 18-8 type 304 Stainless Steel c. Gasket shall be securely glued or embedded in the band of the clamp to ensure a positive seal against the pipe d. Gasket shall have a ribbed surface MATERIAL: Lugs: a. Ductile Iron per ASTM Standards A536 b. Stainless Steel, 18-8 Type 304 Bolts, Nuts & Washers: a. 316 Stainless Steel Gasket: a. EPDM (ethylene propylene) b. Nitrile Buna-N (Acrylonitrile Butadiene (NBR)) c. Viton; Fluorel (FKM) Coating: a. Ductile Iron: Shop Coat b. Stainless Steel: None DESIGN: a. For Patching Holes in Iron Pipe Size O.D. Pipe WIDTH OF CLAMP/NUMBER OF BOLTS: a. 3”: One (1) Bolt b. 6” Two (2) Bolts c. 12”: Four (4) Bolts
