Fernco 4" x 4" x 8" Flexible Coupling (Cast Iron or PVC to Cast Iron or PVC)

Create greater confidence in your extreme condition pipe connections. The Fernco XL Coupling is built longer to be stronger, and more durable than any other coupling in the market. Features and Benefits: Extra Long for pipe alignment problems Extra Long to protect against thermal expansion and contraction Extra Long to secure pipe from unstable ground and structures Extra Long to resist heavy earth loads Technical Specifications: Gasket: Manufactured to the requirements of: ASTM C 1173, ASTM D 5926, and CSA B602 Hardness, Shore “A”, Inst. -+5..............65 Tensile Strength, Min. psi................1000 Elongation at Rupture, Min. %.........250 Tear Strength, Min.....................150 in/lb. Brittleness Temperature................. -40°F Clamps: 300 Series Stainless Steel Installation torque.......................60 in/lb. Shear Ring: .012” thick, 300 Series Stainless Steel Couplings: Manufactured to the requirements of: ASTM C 1173