General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 6071-2003
Replace
GB/T 6071.3-1985GB/T 6071.2-1985GB/T 6071.1-1985
Scope
This standard specifies the type, size and technical requirements of internal welding type, loose sleeve type, blind type ultra-high vacuum flange (hereinafter referred to as flange) and copper gasket. This standard applies to stainless steel flanges and copper gaskets with a nominal diameter of 16mm to 250mm sealed with copper gaskets in ultra-high vacuum systems.