FERNCO COUPLINGS Proflex Specialty CouplingsShielded transition coupling designed to resist shear forces. Proflex 3000-22 Coupling Datasheet Proflex is a shielded transition pipe coupling that allows you to make pipe connections that are resistant to shear forces, while creating a rigid, long-lasting pipe joint. From 1 ½" to 8" pipe diameters - Proflex connects cast iron, plastic, steel, copper and tubular, drain waste and vent systems for above-ground applications. Features .012" stainless steel shield 301 Stainless Steel Clamp Bands Specifications Gasket Material: Neoprene Gasket ID: Part No. and application on each gasket. Shield assembly material requirements: All 300 series stainless steel Clamp Band = 301 stainless steel .025 x .500 x length Housing = 301 stainless steel - Fernco Screw = 305 stainless steel 5/16" Hex - No Slot Shield - 301 stainless steel .012 x 2.125 x length Eyelet - 305 stainless steel Installation Torque = 60" lbs. Maximum test pressure: 4.3 PSI (29.6KPA) Maximum operating temperature: 180° F Conforms to the requirement of ASTM C1460