JB/T 989-1977 Welded right angle pipe fittings

JB/T 989-1977 Welded right angle pipe joint body JB/T989-1977 standard download decompression password: www.bzxz.net

Standard of the First Machinery Industry Department of the People's Republic of China
Welded right-angle pipe joint body
Marking example:
Right-angle pipe joint body with a pipe outer diameter of 28mm: Joint body 28JB989--77
First Machinery Industry Department of the People's Republic of China, First Machinery Industry Department Standardization Research Institute
JB989-77
Replace JB989-67
Other 2||t t||May 1, 1977
Jinan Foundry and Forging Machinery Research Institute, etc.
Total 2 pages Page 2
Outer diameter of pipe
M12×1.25
-0.20M22×1.5Www.bzxZ.net
M36×2
M42×2
M52×2
JB989—77
Technical conditions are in accordance with the provisions of JB1003-77. 32
Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.