Heavy-duty couplings connect 4" Cast Iron hubless soil pipe and fittings to 4" Cast Iron hubless soil pipe and fittings in DWV, municipal storm and sanitary sewer systems. For non-pressure, gravity flow applications only.
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More effective joint movement restraint: stainless steel strap bands are 12.5% thicker than on traditional no hub couplings providing a positive seal when properly torqued to 80 in/lb
Stronger, more uniform scaling capacity: axially slotted clamp bands tighten independently to accommodate most any variances in outside diameters of cast iron pipe and fittings being joined
Greater surface load bearing: wider 304 Series stainless steel shield accommodates additional sealing clamps to provide for greater load bearing contact 1-1/2 to 4 in sizes for four stainless steel bands and 5 to 15 in sizes for six stainless steel bands
Extra width for lateral support
Additional sealing clamps for better load distribution and a more positive seal
Heavy duty coupling for joining no-hub cast iron soil pipe and fittings