GB/T 5649-1985 Locking nuts for flared pipe fittings
Basic Information
Standard ID:
GB/T 5649-1985
Standard Name: Locking nuts for flared pipe fittings
Chinese Name:
扩口式管接头锁紧螺母
Standard category:National Standard (GB)
state:Abolished
Date of Release1985-01-01
Date of Implementation:1986-09-01
Date of Expiration:2008-11-01
standard classification number
Standard ICS number:Fluid systems and general parts>>Pipeline components and pipelines>>23.040.60 Flanges, pipe joints and connecting parts
Standard Classification Number:Machinery>>General Parts>>J15 Pipe Accessories
Publication information
other information
Release date:1985-11-25
Review date:2004-10-14
Drafting unit:Standardization Institute of the Ministry of Machinery Industry
Focal point unit:National Technical Committee for Standardization of Pipe Accessories
Publishing department:China Machinery Industry Federation
competent authority:China Machinery Industry Federation
Introduction to standards:
GB/T 5649-1985 Flared pipe joint locking nut GB/T5649-1985 standard download decompression password: www.bzxz.net
Some standard content:
National Standard of the People's Republic of China
Flared type tube fittings--
Locknut
This standard applies to flared type tube fittings lock nuts for piping systems with oil and gas as the medium. Marking example:
Flared pipe fitting locking nut with outer diameter D of 10mm: Locking nut 10GB5649-85
Published by National Bureau of Standards on 19B5-11-25
UDC 621.643.4
+621.882.3
GB5649—B5
Implemented on 1986-09-01
Pipe outer diameter
M10 ×1
M14 ×1.5wwW.bzxz.Net
M22× 1.5
M27 ×2
M33×2
M42×2
GB5649B5
Technical conditions are in accordance with the provisions of GB5653-85 "Technical conditions for ferrule-type pipe joints". Additional remarks:
This standard was proposed by the Ministry of Machinery Industry of the People's Republic of China and approved by the Standardization Research Institute of the Ministry of Machinery Industry. Weight (steel)
kg/100 pieces=
This standard was initiated by the Standardization Research Institute of the Ministry of Machinery Industry, Shanghai Hydraulic Accessories Factory, Changchun Automobile Research Institute, and Shanghai Hydraulic and Pneumatic Research Institute. The main drafters of this standard are Hu Lusheng, Li Ningning, and Zhang Qianlong.
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