General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/Z 25756-2010
Scope
This technical guidance document specifies the dimensions of baked-off flanges, fixed or rotatable, bolted and knife-edge, used in vacuum systems with pressures ranging from atmospheric pressure down to 10-13Pa.
GB/Z 25756-2010 history
2010GB/Z 25756-2010 Vacuum technology.Bakable flanges.Dimensions of knife-edge flanges