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GB/T 5649-1985 Locking nuts for flared pipe fittings

time: 2024-08-04 14:42:58
  • GB/T 5649-1985
  • Abolished

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)

  • Date of Release:

    1985-01-01

  • 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

  • China Standard Classification Number:

    Machinery>>General Parts>>J15 Pipe Accessories

associated standards

Publication information

Other Information

  • Release date:

    1985-11-25

  • Review date:

    2004-10-14

  • Drafting Organization:

    Standardization Institute of the Ministry of Machinery Industry

  • Focal point Organization:

    National Technical Committee for Standardization of Pipe Accessories

  • Publishing Department:

    China Machinery Industry Federation

  • Competent Authority:

    China Machinery Industry Federation
Introduction to standardsDescription (Translated English) / download

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Summary:

GB/T 5649-1985 Flared pipe joint locking nut GB/T5649-1985 standard download decompression password: www.bzxz.net
Standard contentStandard content

Some standard content:

National Standard of the People's Republic of China
Flared type tube fittings--
LocknutbZxz.net
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 ×1.5
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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