JB/T 990-1977 Welded tee pipe joint body
time:
1977-01-17 16:00:00
- JB/T 990-1977
- in force
Standard ID:
JB/T 990-1977
Standard Name:
Welded tee pipe joint body
Chinese Name:
焊接式三通管接头体
Standard category:
Machinery Industry Standard (JB)
-
Date of Release:
1977-01-17 -
Date of Implementation:
1977-05-01
China Standard Classification Number:
Machinery>>General Parts>>J15 Pipe Accessories
alternative situation:
JB 990-1967; replaced by JB/T 966-2005
Description (Translated English) / downloadSkip to download
Summary:
JB/T 990-1977 Welded tee pipe joint body JB/T990-1977 Standard download and decompression password: www.bzxz.net
Standard contentSome standard content:
Standard welded tee pipe joint body of the First Ministry of Machinery Industry of the People's Republic of China
Marking example,
Tee pipe joint body with pipe outer diameter 28mm: joint body 28JB990--77||tt ||The First Ministry of Machinery Industry of the People's Republic of China issued the Standardization Research Institute of the First Ministry of Machinery Industry to propose 369
JB 990--77
instead of JB 990-67
the remaining 2|| tt||A4
Implemented on May 1, 1977
Jinan Casting and Forging Machinery Research Institute and others drafted Zengzi Foreign Economicsbzxz.net
10|| tt||12
province||tt| |Male
Difference
M12×1.25||tt ||M16×1.5
M36×2
M42×2
M52×2
M60×2
The technical conditions are in accordance with JB1003-77. JB 990 --77
32||tt ||38
26| |tt||28
7||tt ||10
nominal dimensional tolerance
60| |tt||0
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.
Marking example,
Tee pipe joint body with pipe outer diameter 28mm: joint body 28JB990--77||tt ||The First Ministry of Machinery Industry of the People's Republic of China issued the Standardization Research Institute of the First Ministry of Machinery Industry to propose 369
JB 990--77
instead of JB 990-67
the remaining 2|| tt||A4
Implemented on May 1, 1977
Jinan Casting and Forging Machinery Research Institute and others drafted Zengzi Foreign Economicsbzxz.net
10|| tt||12
province||tt| |Male
Difference
M12×1.25||tt ||M16×1.5
M36×2
M42×2
M52×2
M60×2
The technical conditions are in accordance with JB1003-77. JB 990 --77
32||tt ||38
26| |tt||28
7||tt ||10
nominal dimensional tolerance
60| |tt||0
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.
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