GB/T 3746.2-1983 Compression-type cross fitting

GB/T 3746.2-1983 Compression-type four-way joint body GB/T3746.2-1983 standard download decompression password: www.bzxz.net

Marking example:
National Standard of the People's Republic of China
Compression fitting cross-Body
Union cross-Body
Nominal pressure level I, compression fitting cross-Body with pipe outer diameter D of 14mmJ14GB3746.2—83
Published by the National Bureau of Standards on 1983-06-17
UDC 621.643.4
GB 3746.2—83
Other academic disciplineswwW.bzxz.Net
Implemented on 1984-04-01
Ml0×1
M 12×1.25
M 14× 1.5
M 16× 1.5
M 18×1.5
M 20×1.5
M 22×1.5
M 27× 1.5
M30×2
M33×2
M 36×2
M42×2
M45×2
M18×2
M52×2
M 18× 1.5
M 20× 1.5
M 22× 1.5
M 27×1.5
M33×2
M36×2
M39×2
GB 8146.2—Ba
Nominal limit
Nominal limit
Dimension deviation
Note: The weight system is calculated, and the specific gravity is ?.85kg/dm. Technical conditions are in accordance with the provisions of GB3765-83. Additional remarks:
"Weight limit
Dimension deviation
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. 8
(kg/100 pieces)
This standard is drafted by the Standardization Research Institute of the Ministry of Machinery Industry, and Shenyang Heavy Machinery, Chongqing Heavy Automobile Research Institute, Renlian Combined Machine Tool Research Institute, Zhejiang Haiyan County Pipe Fittings Factory, Shanghai Electromechanical Bureau No. 1 Science and Technology Information Institute, and the Seventh () Eighth Institute of the Ministry of Aerospace. The main drafters of this standard are Hu Lusheng, Liu Dequan, Cheng Zhenshi, and Gan Muqin. From the date of implementation of this standard, the original departmental standard JB1970-77 "Compression fitting type cross-connector body" shall be invalid.
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