Install quickly, absorb noise and vibration, withstand deflection and demonstration corrosion resistance and space saving. Compact installations and can be installed either under or above ground.

ASTM C1277: Standard specification for the materials and testing of shielded hubless couplings to join hubless cast iron soil pipe and fittings.
ASTM C1540: Standard specification for the evaluating of the performance of heavy duty shielded couplings to join hubless cast iron soil pipe and fittings.