Guardian Premium flange insulation kit

GUARDIAN PREMIUM IS Properties Table
ASTM TEST METHOD G10 (FR4) G11 (FR5)
D149 Dielectric Strength KV/mm Short Time 29.5 ÷ 31.5 19.7
D695 Compressive Strength (Kpsi) 65 50
D790 Flexural Strength (Kpsi) 65 57
D638 Tensile  Strength (Kpsi) 50 41
D570 Water Adsorption (%) 0.05 0.10
- Temperature - Operatimg -130°C to +150°C -45°C to +200°C
- ANSI Gasket Pressure Range Classes 150 ÷ 2500 psi
- API Gasket Pressure Range API 2000 ÷ 10000 psi
- PN Gasket Pressure Range PN 6 ÷ 420

The grid shows the average values of the materials properties

 

Guardian Premium IS

Guardian Premium IS flange isolation kits do not use any metallic retainers, as GRE acts both as the retainer and the insulator.


The gasket can be used on RF, FF, and also RTJ flanges, replacing the inefficient phenolic Ring Joints.
Sealing is achieved either with PTFE or nitrile or fluorinated rubber.
The gasket groove is designed to prevent retainer breakage in case of overstress and to enhance the elasticity of the sealing element.


Guardian Premium IS is suitable for use up to 200°C, depending on the selected GRE, in ANSI 150 - 1500#, API 2 - 5K#, and PN 6 - 250# ratings.

 

Guardian Premium IS Technical Data Sheet