SilverBack XL 4" Plastic to Plastic Flexible Coupling

The SilverBack XL is a new trenchless No Dig product ideal for pipe bursting and pipe ramming underground repairs. Connecting 4" plastic to 4" plastic pipe, SilverBack XL ensures a strong, permanent pipe connection that will leave you confident knowing it only needs to be done once. Resisting heavy earth loads, thermal expanion / contraction and tensile stress, the SilverBack XL fights aganist the toughest enironmental factors and will not alter the pipes structural integrity. As an extended shielded coupling, this product includes 316 stainless steel high-torque clamps, heavy-duty steel shear ring and a gasket that conforms to CSA B602, ASTM D 5926 and ASTM C1173.