GB/T 9123.4-2000
Steel pipe blank flanges with ring-joint face

Be replaced

Standard No.

GB/T 9123.4-2000

Language

Chinese

Release Date

2000

Published By

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

Replace By

GB/T 9123-2010

Lastest

GB/T 9124.1-2019

GB/T 9124.2-2019

Scope

This standard specifies the type and size of steel pipe flange covers with ring joint surfaces with nominal pressure PN of 2.0, 5.0, 11.0, 15.0, 26.0 and 42.0 MPa. This standard is applicable to steel pipe flange covers with ring connection surface of nominal pressure PN2.0～PN42.0MPa.

GB/T 9123.4-2000 history

• 2019 GB/T 9124.1-2019 Steel pipe flanges—Part 1：PN designated
• 2011 GB/T 9123-2010 Steel pipe blank flanges
• 2000 GB/T 9123.4-2000 Steel pipe blank flanges with ring-joint face

GB/T 9123.4-2000 Steel pipe blank flanges with ring-joint face was changed to GB/T 9123-2010 Steel pipe blank flanges.

GB/T 9123.4-2000 -All Parts