Envelope Tri-Clamp® Gaskets
PTFE and EPDM or FKM all in one gasket
A PTFE envelope gasket has the chemical resistance of PTFE and the elastomeric characteristics of EPDM or FKM Fluoroelastomer. The PTFE envelope gasket meets FDA and USP Class VI standards. Download the Envelope Gasket Part Numbering Scheme for easy ordering!