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We're able to ofer a small selection of ring type commercial rubber flange gaskets to suit class-150 pipe flanges to ANSI/ASME B16.5:2017 can be found below, this type of seal is also commonly known as an IBC (Inner bolt circle) gasket. All of these IBC gaskets are made of 3mm thick N03 grade natural black rubber, they have a 70 Shore A hardness and are rated for temperatures between -20°C – 70°C.
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