GB/T 12239-1989
General purpose industrial valves--Diaphragm valves (English Version)

Standard No.

GB/T 12239-1989

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 2009-07

Replace By

GB/T 12239-2008

Latest

GB/T 12239-2008

Scope

This standard specifies the type, technical requirements and test methods of diaphragm valves. This standard applies to diaphragm valves with nominal pressure PN≤1.6MPa, nominal diameter DN10~400mm flange connection and DN8~80mm (1/4″~3″) threaded connection.

GB/T 12239-1989 history

• 2008 GB/T 12239-2008 Industrial valves.Diaphragm valves made of metallic materials
• 1990 GB/T 12239-1989 General purpose industrial valves--Diaphragm valves