GB/T 3748.1-1983 Compression sleeve bulkhead straight pipe joint GB/T3748.1-1983 standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Bulkhead onion-Assably
UDC 621.643.4
GB 3748.1-88
This standard specifies the ferrule bulkhead straight pipe fitting, which is suitable for piping systems of oil, gas and general corrosive media. S
GB3748.2—B3
Marking example:
Nominal pressure J level, pipe outer diameter D, 14mm ferrule bulkhead straight pipe joint: Pipe joint J14GB 3748.1—83
National Bureau of Standards 1989-06-17 Issued
GB3759-83
GB 3764-83
1984-04-01 ImplementationWww.bzxZ.net
Nominal pressure
Pipe outer diameter
Note: The weight is the calculated value,
Specific gravity×7.85kg/dm.
Technical conditions are in accordance with the provisions of GB3765—83. Additional Notes:
GB3748183
Wrench Size
The standard is 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. 39.3
(kg/100 pieces)
This standard is drafted by the Standardization Institute of the Ministry of Machinery Industry, and is drafted by Shenyang Heavy Machinery, Chongqing Heavy Automobile Research Institute, Dalian Combined Bed Research Institute, Zhejiang Haiyan County Pipe Fittings, Shanghai Mechanical and Electrical Fan Science and Technology Information Institute, and the 78th Institute of the Ministry of Aerospace. The main drafters of this standard are Hu Lusheng, Liu Dequan, Cheng Zhenshi, and Wang Muqin. From the date of implementation of this standard, the original ministry standard JB1951-77 "Card sleeve type bulkhead straight pipe joint" will be invalid.
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