GB/T 12221-1989 Replaced National standards

GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions

GB/T 12221-1989 Metal valves for use in flanged pipe systems—Face-to -face and centre-to-face dimensions

Publish Date: 1990-01-04 Implement Date: 1990-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 12221-1989
Standard Type: National standards
Standard Status: Replaced
is_force_gb: no
CCS Name: \nValve
ICS Name: \nValve
Publish Date: 1990-01-04
Implement Date: 1990-12-01
Publisher: The National Technical Supervision Bureau
Technical Committee: Hefei General Machinery Research Institute
Pages: 16 pages

Development Information

Drafting Persons:

Hong Manheng, Sun Sai'ao, and Zhang Huayou

Word Count: 28 Thousand words Pages: 16 pages

Superseded by the following standards

Adopt standards

ISO 5752-82

Related Standards

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