Type D Flange Insulation Gasket

  • Description
Product Detail

Insulation Flange Gasket Kits are used for controlling losses due to corrosion. They can be used to control stray electric currents in piping at oil, gas, water, refinery, and chemical plants, to increase the effectiveness of cathodic protection systems.
Type “D” insulation gaskets are available for RTJ flanges but the KXT-150 Sealing Gasket is an excellent alternative to “D” gaskets because the sealing element may be positioned anywhere between the I.D. of the gasket and I.D. of the ring groove.

Sealing Gasket Physical Properties

Property

Plain
           Phenolic

Silicone
       Glass
         G-7*

Epoxy
         Glass
         G-10

Epoxy
           Glass
           G-11

Dielectric strengths,
            Volts/mil

500

350-400

550

550

Compressive strength,
psi

25,000

40,000

50,000

50,000+

Water absorption, %

1.6

0.07

0.10

0.10

Insulating Resistance,
Meg Ohms

40,000

2,500

200,000

200,000

Flexural strength, psi

22,500

27,000

45,000

43,000

Operating temp,°F

-65 to +220

-292 to +450

-292 to +280

-292 to +350

Operating temp,°C

-54 to +104

-180 to +232

-180 to +138

-180 to +177

* = G-7 material should not be used with hydrocarbons, not even trace amounts.


Type D Flange Insulation Gaskets are suitable for RTJ flange, they can be produced according to ASME and API flange standard.



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Ningbo Kaxite Sealing Materials Co., Ltd.

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