JB/T 5278.2-1991 Copper wire sealed bakeable vacuum flange
Basic Information
Standard ID:
JB/T 5278.2-1991
Standard Name: Copper wire sealed bakeable vacuum flange
Chinese Name:
铜丝密封可烘烤真空法兰 法兰
Standard category:Machinery Industry Standard (JB)
state:in force
Date of Release1991-01-01
Date of Implementation:1992-07-01
standard classification number
Standard Classification Number:Machinery>>General Machinery and Equipment>>J78 Vacuum Technology and Equipment
associated standards
Publication information
publishing house:Mechanical Industry Press
Publication date:1992-06-01
other information
drafter:Feng Huisheng
Drafting unit:State-owned Nanguang Machinery Factory
Focal point unit:National Vacuum Technology Standardization Technical Committee
Proposing unit:National Vacuum Technology Standardization Technical Committee
Publishing department:Ministry of Electronics Industry of the People's Republic of China
Introduction to standards:
This standard specifies the structural dimensions and technical requirements of wire-sealed vacuum flanges. This standard applies to the vacuum flange connection types specified in JB 5278.1. JB/T 5278.2-1991 Copper wire-sealed bakeable vacuum flanges JB/T5278.2-1991 Standard download decompression password: www.bzxz.net
Some standard content:
Mechanical Industry Standard of the People's Republic of China
Copper wire sealed bakeable vacuum flange
Flange structure dimensions
Subject content and scope of application
This standard specifies the structure dimensions and technical requirements of copper wire sealed vacuum flanges. This standard applies to the vacuum flange connection type specified in JB5278.1. Reference standards
GB1220wwW.bzxz.Net
Technical conditions for stainless acid-resistant steel
Nominal diameter of vacuum flange
Copper wire sealed bakeable vacuum flange
3 Flange structure and dimensions
Flange structure and dimensions are specified in the following figure and table. Technical requirements
Connection type
The nominal diameter of the flange shall comply with the provisions of GB6070.1. 4.1
4.2 The knife-edge sealing surface of the flange shall not have scratches, marks or other defects that affect the sealing performance. 4.3 The flange is made of 1Cr18Ni9Ti stainless steel specified in GB1220. The Ministry of Machinery and Electronics Industry approved JB5278.2-91 on January 1, 1991. Implemented on July 1, 1991. T-type flange. C uniform distribution. A-type flange. JB 5278.2—91
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