GB 3741.1-1983 Compression-type end tee pipe joints

This standard specifies the ferrule end tee pipe joints, which are suitable for pipeline systems of oil, gas and general corrosive media. GB 3741.1-1983 ferrule end tee pipe joints GB3741.1-1983 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Compression-type end tee pipe joint
Straight thread branch tee-AssemblyUnC 621.643.4
GB3741.1—83
This standard specifies the compression-type end tee pipe joint, which is suitable for pipeline systems of oil, gas and general corrosive media. s
GB3741.2—83
Marking example:
Nominal pressure J grade, tube outer diameter D is 14mm, ferrule end tee pipe joint: pipe joint J14GB3741.1—83
National Bureau of Standards 1983-06-17 Issued
GB 3759—83
B3764—83
Implementation 1984-04-01
Nominal pressure
Tube outer diameter
M18 ×1.5
M27×2
M33×2
M42×2
【M48×2】
M50×2
M27×2
M33×2wwW.bzxz.Net
Note: ①The dimensions in brackets in column d are only for old products. GB3741.1—B3
②, the weight is calculated value, the specific gravity is 7.85kg/dm2. The technical conditions are in accordance with the provisions of GB3765—83. 18.5
Spanner
(kg/00 piece)
Resistant to addition
HB31411-8
This standard is proposed by the Ministry of Machinery Industry of the People's Republic of China. The standard was drafted by the Standardization Institute of the Ministry of Machinery Industry, Shenyang Heavy Machinery Plant, Chongqing Heavy Automobile Research Institute, Dalian Weiben Standard, and the Machine Tool Research Institute, Zhejiang Haiyi County Pipe Fittings Factory, Shanghai Electromechanical Bureau No. 1 Science and Technology Information Institute, and the 708th Institute of the Ministry of Aerospace. The main drafters of this standard are Hu Lusheng, Liu Dequan, Cheng Zhenshi, and Makuqin: From the date of implementation of the Japanese standard, the original standard B197- "Compression Fitting End Tee Pipe Fitting" will be invalid.
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