This standard specifies the dimensions of vacuum rubber sealing flat clamping flanges. This standard is applicable to rubber-sealed clamping flanges in vacuum systems with a pressure of 10^(5)~10^(-5)pa.
SJ/T 10161.3-1991 history
1991SJ/T 10161.3-1991 Vacuum rubber seal plane flanges.Dimensions of clamping flanges