GB/T 3760-1983 Butt nuts for ferrule type pipe fittings

This standard is only applicable to ferrule-type butt joints. GB/T 3760-1983 Butt nuts for ferrule-type pipe joints GB/T3760-1983 Standard download decompression password: www.bzxz.net

National Standard of the People's Republic of China
Bite type tube fittings-Nuts for butt joints
This standard is only applicable to butt tube fittings of the ferrule type. Marking example:
Nominal pressure J grade, pipe: butt nut with outer diameter D. of 14mm J14 GB 3760—83
National Bureau of Standards 1983-06~17 Issued
621.643.4
:621.882/.887
GB 3760—88
1984-04-01 Implementation
Nominal pipe
Pressure outer diameter
M12×1.25
M24 ×1.5
M30×2
M33×2
M36×2
M42×2
M45×2
M48 ×2
M52×2www.bzxz.net
M30×2
M33×2
M36×2
M39×2
3760—83
Nominal size limit deviation
Note: (The weight is a calculated value, and the specific gravity is 7.85kg/dt. 1.5
②Under the condition that it does not affect the use, the L size is allowed to be made into a hexagonal shape with full length. The technical conditions shall be in accordance with the provisions of GB3765-83. Additional remarks:
This standard is issued by the Machinery Industry of the People's Republic of China The Ministry proposed this standard, which is under the jurisdiction of the Standardization Research Institute of the Ministry of Machinery Industry. 17.31
(kg/100 pieces)
This standard was drafted by the Standardization Research 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 Audio Parts, Shanghai No. 1 Mechanical and Electrical Bureau 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 Wang Muqin. From the date of implementation of this standard, the original Ministry standard JB1986-77 "Butt nuts for tube fittings" will be invalidated.
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