GB 3733.1-1983 Compression-type straight pipe fittings

This standard specifies the ferrule end straight pipe joints, which are suitable for pipeline systems of oil, gas and general corrosive media. GB 3733.1-1983 ferrule end straight pipe joints GB3733.1-1983 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Card sleeve end straight pipe joint
Straight thread connector-AssemblyUDC 621.643.4
GB 3783.1-—83
This standard specifies the card sleeve end straight pipe joint, which is suitable for pipeline systems of oil, gas and general corrosive media. CB3733.2-83
Marking example:
Nominal pressure J level, tube outer diameter Ds is 14mm ferrule end straight pipe fitting: Pipe fitting
GB3733.1—83
National Bureau of Standards 1983-06-17 Issued
GB 3759--83www.bzxz.net
GB3764-83
198404-01 Implementation
Nominal pressure
Tube outer diameter
M10× 1
GB 3T33.1—83
M27× 2
M33×2
M42×2
(M18×2)
M50 × 2
M12 ×1.5
M27 × 2
M33×2
Note, the scale in brackets in column ① is only applicable to old products. ②The weight is the calculated value, the specific gravity × .85kg/dm2Technical conditions are in accordance with the provisions of GB3765·-83, 12
Wrench size
Additional instructions:
This standard is proposed by the Ministry of Machinery Industry of the People's Republic of China and is under the jurisdiction of the Standardization Research Institute of the Ministry of Machinery Industry. 17.3
kkg/100）
This standard is drafted by the Standardization Research Institute of the Ministry of Machinery Industry, and issued by Shenyang Heavy Machinery, Dongqing Heavy Automobile Research Institute, Renlian Combined Machine Tool Research Institute, Haiyan County, Zhejiang Province Pipe Fittings! , Shanghai No.1 Mechanical and Electrical Bureau Technology Information Institute, Shanghai No.78 Aviation Department Institute, etc. participated in the drafting. The main drafters of this standard are Hu Lusheng, Liu Dequan, Cheng Zhenye, and Wang Muqin. From the date of implementation of this standard, the original departmental standard JB1942-77 "Compression-type end Belly pipe fittings" will be invalidated.
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