JB/T 5278.3-1991Bakeable copper wire sealed vacuum flanges - Structure and dimensions of copper wire sealing rings (English PDF)

JB/T 5278.3-1991 is the English-translated version of 铜丝密封可烘烤真空法兰 铜丝密封圈结构尺寸.

JB/T 5278.3-1991, the third part of its series, is a recommended Chinese machinery industry standard that fixes the structure and dimensions of the copper sealing ring used in bakeable copper wire sealed vacuum flanges. It gives the dimensions of the ring together with the technical requirements it must meet. It applies to the flange types specified in JB 5278.1, so the ring it describes is the sealing element of that flange family. It quotes GB 3109, GB 3119, GB 6070.1 and JB 5278.1, and is classified under J15 for vacuum equipment, with the international class 23.160. Issued on 1 January 1991, it has applied since 1 July 1992.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

JB/T 5278.2-1991|JB/T 1090-2018|JB/T 1091-2018|JB/T 1092-2018|JB/T 1090-1991|GB/T 33825-2017

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