These gaskets are composed of carefully selected cushion material such as Asbetos Millboard, Non Asbestos Millboard, Graphite Sheet and PTFE with external metal jacket of carbon steel, stainless steel, copper, 5Cr-0.5Mo alloy steel, etc. They are widely used on piping flanges, joint of machinery and heat exchangers because they can be fabricated not only to a regular round shape but also to other irregular shapes such as oval, rectangular, etc. With additional rib or rib to seal multi-pass heat exchangers. An icreased demand has recently been seen for a spesial type having attached expanded graphite tapes on both sealing faces to increase sealability.
Ring joint gasket is type of pressure energized gasket used on pipe flanges, pressure vessels, valve bonnets handling high pressure steam, gas, hot oil, oil gas solvent vapor at high temperature. Our factory experienced technology offer many different type so that customers may select the most suitable one in accordance with operacting conditions.
