Hangzhou Yuzhituo Sealing & Insulation Co., Ltd.

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Type D Flange Insulation Gasket

Type D Flange Insulation Gasket Type D Flange Insulation Gasket Type D Flange Insulation Gasket

Product name:Type D Flange Insulation Gasket

Item:

Details:

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 YZT-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, ºF
-65 to +220
-292 to +450
-292 to +280
-292 to +350
Operating temp, ºC
-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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Flange Insulating Sealing Gaskets
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Flange Insulation Gasket Kits
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