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What is the flange gasket?

time:2016-07-23 09:50:54 author: Browse number:

The gasket is a plastic deformation, and made of materials with certain intensity rings. Most gasket is from non metal plate cutting down, or by professional plant size, the material for asbestos, asbestos, PTFE, polyethylene plate; also used a thin metal plate (white metal, stainless steel) asbestos nonmetal materials such as wrapping made of metal gasket; and a belt winding and asbestos tape with a thin steel spiral wound gasket, metal winding gasket is the most commonly used stainless steel and graphite formed by winding, according to different environment, can also take winding asbestos rubber gasket for ordinary temperature lower than 120 DEG C; asbestos rubber gasket is suitable for steam temperature lower than 450 DEG C, the oil temperature is below 350 DEG C, the pressure is lower than the 5MPa of the occasion, for general corrosive medium, is the most commonly used Acid asbestos board. In the high-pressure equipment and piping, the use of copper, aluminum, 10 steel, stainless steel lens type or other shapes of metallic gaskets. High pressure gasket and sealing surface of the contact width is very narrow (line contact), smooth processing surface and the gasket sealing degree is higher. Low pressure and small diameter of a wire connecting flange, high pressure and low pressure and large diameter are using welding flange, different pressure flange thickness and connection bolt diameter and the number is different.

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