GB 3751.1-1983 Compression-type pressure gauge pipe joints

This standard specifies the ferrule type pressure gauge pipe joints, which are suitable for pipeline systems of oil, gas and general corrosive media. GB 3751.1-1983 ferrule type pressure gauge pipe joints GB3751.1-1983 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Compression sleeve pressure gauge pipe joint
Connector for pressure gauge-Assembly UDC621.643.4
GB3751.1—83wwW.bzxz.Net
This standard specifies the sleeve-type pressure gauge pipe joint, which is suitable for pipeline systems of oil, gas and general corrosive media. GB3751.2--93
Marking example:
GB375R—83
(B 376483
Tube outer diameter D is 14mm, positive gauge thread is M20×1.5 ferrule type pressure gauge pipe joint: nominal pressure grade J,
pipe joint
J14M20 × 1.5
M10×1
M14 × 1.5
M20× 1.5
GB 3751.1—83
: gravity is calculated value, specific gravity is 7.85 kg/dm3. Issued by the National Bureau of Standards on June 17, 1983
Wrench size
(kg/100 pieces)
Implemented on April 1, 1984
Technical conditions shall be in accordance with the provisions of GB365-3.
Additional notes:
GB3751.1-83
This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China and is under the jurisdiction of the Standardization Institute of the Ministry of Machinery Industry. This standard was drafted by the Standardization Institute of the Ministry of Machinery Industry, and was drafted by Shenyang Heavy Machinery Plant, Chongqing Heavy Automobile Research Institute, Dalian Combined Machine Tool Research Institute, Zhejiang Haiyan County Pipe Fittings Factory, Shanghai No. 1 Mechanical and Electrical Bureau Science and Technology Information Institute, and the 708th Institute of the Ministry of Aerospace. The main drafters of this standard are Hu Shansheng, Liu Dequan, Cheng Zhenshi, and Wang Muqin. From the date of implementation of this standard, the original ministry standard JB157-7 "Compression Fitting Pressure Gauge Pipe Joint" will be invalidated.
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