GB/T 12234-1989
General purpose industrial valves.Flanged and buttweld steel gate valves (English Version)

Standard No.

GB/T 12234-1989

Language

Chinese, Available in English version

Release Date

1990

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2007-11

Replace By

GB/T 12234-2007

Latest

GB/T 12234-2019

Scope

This standard specifies the structural type and technical requirements of flanged and butt welded steel gate valves. This standard is applicable to steel gate valves with nominal pressure PN1.6～42.0MPa, nominal diameter DN25～600mm flange and butt welding connection.

GB/T 12234-1989 history

• 2019 GB/T 12234-2019 Bolted bonnet steel gate valves for petroleum and natural gas industries
• 2007 GB/T 12234-2007 Bolted bonnet steel gate valves for petroleum and natural gas industries
• 1990 GB/T 12234-1989 General purpose industrial valves.Flanged and buttweld steel gate valves