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GB/T 5648-1985 Flared B-type pipe fitting nuts

time: 2024-08-04 14:43:33
  • GB/T 5648-1985
  • Abolished

Basic Information

  • Standard ID:

    GB/T 5648-1985

  • Standard Name:

    Flared B-type pipe fitting nuts

  • Chinese Name:

    扩口式B型管接头螺母

  • 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
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GB/T 5648-1985 Flared B-type pipe fitting nut GB/T5648-1985 Standard download decompression password: www.bzxz.net
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Some standard content:

National Standard of the People's Republic of China
Flared type B pipe fitting nuts
F lared type tube fittings.
Style B'nuf.
This standard applies to flared type B pipe fitting nuts for pipeline systems with oil and gas as the medium. Other
Marking example:
Flared type B pipe fitting nuts with pipe outer diameter D. of 10 mm: Nut B10GB 564B-85
M10×1
M14 × 1.5
M18 × 1.5
Basic size
Limit deviation
National Bureau of Standards, 1985-11-25bZxz.net
UDC 621.643.4
+621.882.3
GB 5648B5
Most quality (steel)
kg/100 pieces
1986-09-01 implementation
GB 5648-85
Technical conditions shall be in accordance with the provisions of GB553-85 "Technical conditions for flared pipe joints". Additional notes:
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 Institute of the Ministry of Machinery Industry. This standard was drafted by the Standardization 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. From the date of implementation of this standard, the original ministry standard JB1920-77 "Flared B-type pipe joint nuts" will be invalid
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