©2018 Flange Protection & Gaskets, Inc.

Flange Insulation Kits

The FPG Cathodic Uni-Set© flange insulation kit was developed by our engineering staff in conjunction with several pipeline companies.  We use state-of-the-art materials to provide ease of installation, high dielectric strength and heat resistance.

We use either an aramid fiber, nitrile-faced phenolic or FPG-Seal© phenolic gasket in our Uni-Set©.  Phenolic is usually superior to aramid fiber in instances when line pressure exceeds 1500 PSIG.  Therefore, aramid fiber is used as our standard material in 150# and 300# class (ASME) Uni-Sets©, while a nitrile-faced phenolic or FPG-Seal© phenolic gasket is our standard for higher pressure ratings.

Our integral sleeve/washers are manufactured from Minlon®, an engineering thermoplastic mineral reinforced nylon resin.  Minlon® provides strength, toughness, chemical resistance, heat resistance, high dielectric strength and dimensional stability over a wide range of temperatures and humidities.  Through an injection molding process we have unitized the insulating sleeve and washer.  This process facilitates installation through fewer parts.

An installation sheet is included in each flange insulation kit.  This should allow for ease of installation and also answer any questions that field-level personnel may have.


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