This standard specifies the dimensions of vacuum rubber sealing flat flange retaining rings. This standard is applicable to the retaining ring used to connect the clamping flange and the rotating flange in a vacuum system with a pressure of 10^(5)~10^(-5)Pa.
SJ/T 10161.5-1991 history
1991SJ/T 10161.5-1991 Vacuum rubber seal plane flanges.Dimensions of retaining rings