JB/T 997-1977 Welded branch pipe joint body
Basic Information
Standard ID:
JB/T 997-1977
Standard Name: Welded branch pipe joint body
Chinese Name:
焊接式分管管接头体
Standard category:Machinery Industry Standard (JB)
state:Abolished
Date of Implementation:2002-03-01
Date of Expiration:2005-11-01
standard classification number
Standard Classification Number:Machinery>>General Parts>>J15 Pipe Accessories
Publication information
other information
Introduction to standards:
JB/T 997-1977 Welded branch pipe joint body JB/T997-1977 standard download decompression password: www.bzxz.net
Some standard content:
Standard of the First Machinery Industry Department of the People's Republic of China
Welded branch pipe joint body
C×45°
Marking example:
Branch pipe joint with pipe outer diameter of 28mm:
Joint body 28JB99777
The First Machinery Industry Department of the People's Republic of China issued and proposed
·Standardization Research Institute of the Ministry of Machinery Industry
JB997-77
Replace JB99767
Other Yu√3
Implemented on May 1, 1977
Drafted by Jinan Foundry and Forging Machinery Research Institute, etc., a total of 2 pages, page 2
Outer pipe
JB99777wwW.bzxz.Net
M12×1.25
-0.20/M22×1.5
M36×2
M42×2
M52×2
M60×2
Technical conditions shall be in accordance with the provisions of JB1003-77.
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