1.Octagonal  ring gasket is the type of  mechanical compression, that is to say it is sealed only by the tightening torque of flanged bolt

2.octagonal ring gasket is used in 6B flanges, with standard flanged connections and line seal, and it is easy for storage and transport

3.octagonal ring gasket can be used interchangeably with R oval ring gasket and RX ring gasket

4.octagonal ring gasket can be reused in the field in the case of  the appearance with no damage