Durlon® iGuard™ EN

Durlon® iGuard™ flange Isolation and sealing systems consist of all the necessary components to seal and electrically isolate between flanges, from general service to severe service applications. Gaskets are available in Raised Face (Type F), Full Face (Type E) and RTJ (Type D) flanges from NPS 1/2” (DN15) to NPS 144” (DN 3600) or equivalent, to meet all international piping sizes.

iGuard™ EN: The iGuard™ EN style isolation gasket is manufactured from Nema grade G-10 / FR-4 glass epoxy material incorporating a Viton double-ogee sealing element. These kits come standard with one iGuard™ EN gasket, two isolating Nema grade G-10 washers and one Nema grade G-10 sleeve tube for every bolt/stud.


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Durlon® iGuard™ flange Isolation Kits are available for the following applications: Oil & Gas, Pulp & Paper, Petro Chemical, Refining, Water & Wastewater, Food & Beverage, Marine, Aerospace and LNG.
The standard iGuard™ kit consists of a gasket, isolating washers and isolating bolt/stud sleeves. The gasket/carrier can be constructed of plain phenolic, neoface phenolic, epoxy glass (G-3, G-10 or G-11), epoxy glass (G-10) bonded to 316SS core, Durlon® 8400, Durlon® 8500 or even Durlon® 9000. In gaskets with phenolic or glass carrier rings, the double-ogre sealing element provides a reliable concentrated unit load on the flanges using the lowest torquing conditions possible. For other styles, a spring energized PTFE sealing element is used.