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JB/T 5211-1991 Gate valve seat

time: 2024-06-17 09:47:20
  • JB/T 5211-1991
  • Abolished

Basic Information

  • Standard ID:

    JB/T 5211-1991

  • Standard Name:

    Gate valve seat

  • Chinese Name:

    闸阀阀座

  • Standard category:

    Machinery Industry Standard (JB)

  • Date of Release:

    1991-07-22

  • Date of Implementation:

    1992-07-01

  • Date of Expiration:

    2008-07-01

standard classification number

  • China Standard Classification Number:

    Machinery>>General Parts>>J16 Valve

associated standards

Publication information

  • publishing house:

    Mechanical Industry Press

  • Publication date:

    1992-07-01

Other Information

  • Drafter:

    Lu Peiwen, Zhang Huayou, Hong Miancheng, Wang Jingxin

  • Drafting Organization:

    Hefei General Machinery Research Institute and Beijing Valve Research Institute of the Ministry of Machinery and Electronics Industry

  • Focal point Organization:

    Hefei General Machinery Research Institute, Ministry of Machinery and Electronics Industry

  • Proposing Organization:

    Hefei General Machinery Research Institute, Ministry of Machinery and Electronics Industry

  • Publishing Department:

    Machinery Industry Electronics Industry Ministry
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Summary:

This standard specifies the structural type, size and technical requirements of gate valve seats. This standard is applicable to cast steel gate valves with nominal pressure pN1.6~6.4MPa and nominal diameter DN50~300mm. JB/T 5211-1991 Gate Valve Seat JB/T5211-1991 Standard download decompression password: www.bzxz.net
Standard contentStandard content

Some standard content:

Mechanical Industry Standard of the People's Republic of China
Gate valve seat
Subject content and scope of application
This standard specifies the structural type, dimensions and technical requirements of the gate valve seat. This standard is applicable to cast steel gate valves with nominal pressure plus 1.6~6.4MPa and nominal diameter D50~300mm. 2 Reference standards
GB1804
3 Types and dimensions
Technical conditions for high-quality carbon structural steel
Tolerances and fits Limit deviations of dimensions without tolerances The structural type of the gate valve seat is shown in the figure, and the dimensions are as specified in the table. 'Dbzxz.net
Spray welding iron-based powder
1×45°
Approved by the Ministry of Machinery and Electronics Industry on July 23, 1991D
D, (f9)
JB5211—91
Implemented on July 1, 1992
Nominal pressure part
Technical requirements
4.1Material is 25, technical requirements are in accordance with GB699. JB5211—91
4.2Tolerance grade of dimensions without tolerance is in accordance with IT14 specified in GB1804. Additional remarks:
This standard is proposed and managed by the Hefei General Machinery Research Institute of the Ministry of Machinery and Electronics Industry. 58
This standard is drafted by the Hefei General Machinery Research Institute of the Ministry of Machinery and Electronics Industry and the Beijing Valve Research Institute. The main drafters of this standard are Lu Peiwen, Zhang Huayou, Hong Miancheng and Wang Jingxi.
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