Fernco 3" Heavy Duty No Hub Coupling

3" Heavy Duty Coupling No Hub The No-Hub Coupling has a patented shield design that provides maximum transfer of pressure from the clamps to the gasket and pipe. Engineered to connect no-hub cast iron pipe in applications, replacing the less-efficient hub and spigot. The distinctive green shield quickly identifies the Heavy-Duty HD Couplings and makes it easier for inspectors. 3/8" hex-head screw applies 80 in.-lbs. of installation torque to the band/shield assembly. Boasts an ultimate torque rating exceeding 100 in.-lbs. and heavier gauge stainless steel. Couplings conform to CISPI 310, Factory Mutual FM 1680. Couplings comply with ASTM C564, ASTM 1277, IAPMO file #3198, Commonwealth of Mas-sachusetts CMR-248 and City of New York MEA 253-98-E. Gaskets are made from an elastomeric compound that meets the requirements of ASTM C564. Features: Patented Bi-Directional Shield Design - The shield adjusts to a variety of a pipes diameters and circumferences--eliminating leak paths. The patented, bi-directional co...