4" x 3" ProFlex Coupling (Cast Iron to Copper)

Designed for resistance to heavy earth loads and shear forces, and provides improved pipe alignment. Proflex allows you to make transition pipe connections that are resistant to shear forces, while creating a rigid, long-lasting pipe joint. From 1-1/2" to 8" - PROFLEX connects cast iron, plastic, steel, copper and tubular, drain waste and vent systems. 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 S.S. 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 C1460Hide Description