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Flange Isolation - Low Pressure / Non-Metallic Core

GPT provides a wide selection of high quality joint sealing and isolation kits designed for low-pressure service in transmission, distribution and process piping systems. Isolation kits, which include gaskets, sleeves and washers, are available for all flange sizes, types, pressure ratings, and materials.

LineBacker Flange Isolation Kit gaskets sleeves and washers from PSI

LineBacker® sealing gaskets use a rectangular sealing element, referred to as a "quad" ring for low load sealing and isolation.


The PGE™ was designed to give operators an alternative to the failure prone phenolic-based isolating gaskets.

RC gasket

Nitrile coated G10 isolating gaskets are coated with a nominal .063”(1.5mm) nitrile coating on each side of the G10 core.