Open-Flex.Split gasket design allows coupling to be installed without pipe disassembly. Not pull-out resistant. Couplings are 304 stainless steel, bolts are galvanized steel.Grip and Wrap-Around Pipe Couplings. Max. pressure: 232 psi Temp. range: -4° to 212°F EPDM gasket Vacuum rating: 28" Hg.Join plain-end pipes without special preparation or special tools, and create a leaktight seal. Reusable couplings dampen vibration and handle pipe misalignment.Meet ASTM 1476, TY2, CL2, CL3 standards. Specification: Item: Open Flex Wrap-Around Pipe Coupling Pipe Fitting Material: 304 Stainless Steel Pipe Size - Pipe Fitting: 2" Gasket Material: EPDM Fitting Length: 3" Number of Bolts: 2 Max. Pressure: 232 psi Bolt Material: Galvanized Steel Bolt Size: 6mm Hex Temp. Range: -4 Degrees to 212 Degrees F Vacuum Rating: 28" Standards: ASTM 1476, TY2, CL2 or CL3"