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Corrugated Pipe Adapter

Creating a watertight seal between corrugated pipe and a manhole has been costly or difficult to do…until now. The NPC Corrugated Pipe Adapter provides a watertight sealing surface on a corrugated pipe in minutes. The unique design of the Pipe Adapter distributes the force from the pipe clamp on the Kor-N-Seal connector directly against the inside walls of the pipe corrugations, creating a watertight seal.

A watertight seal between the pipe and manhole is quick and easy when used with NPC's Kor-N-Seal flexible pipe-to-manhole connectors. The unique design of our Pipe Adapter distributes the force from the pipe clamp on our Kor-N-Seal connector directly against the inside walls of the pipe corrugations, creating a watertight seal.

  • Provides a good sealing surface on corrugated HDPE pipe.

  • Certified to ASTM C923 with Kor-N-Seal Connectors.

  • The CGA is easy to install. Simply stretch it over the pipe to the desired location.