GB/T 9120-2010
Loose plate steel pipe flanges with weld-neck collar and with weld ring neck (English Version)

Standard No.

GB/T 9120-2010

Language

Chinese, Available in English version

Release Date

2011

Published By

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

Status

Be replaced 2019-12

Replace By

GB/T 9124.1-2019

GB/T 9124.2-2019

Latest

GB/T 9124.1-2019

GB/T 9124.2-2019

Replace

GB/T 9120.1-2000 GB/T 10747-1989 GB/T 9120.3-2000 GB/T 9120.2-2000

Scope

This standard specifies the type, size, technical requirements and marks of butt-welding ring plate loose sleeve steel pipe flanges whose nominal pressure is marked with PN. This standard is applicable to butt-welding ring plate loose sleeve steel pipe flanges with nominal pressure PN2.5~PN40.

GB/T 9120-2010 Referenced Document

• GB/T 9112 Types and parameters for steel pipe flanges
• GB/T 9124 Specifications for steel pipe flanges*， 2011-10-01 Update

GB/T 9120-2010 history

• 2019 GB/T 9124.1-2019 Steel pipe flanges—Part 1：PN designated
• 2011 GB/T 9120-2010 Loose plate steel pipe flanges with weld-neck collar and with weld ring neck
• 2000 GB/T 9120.2-2000 Loose plate steel pipe flanges with welding neck collar with male and female face
• 1989 GB/T 10747-1989 Marine combination pipe flanges, slip-on steel outer flanges, butt weld-on steel inner flanges

GB/T 9120-2010 Loose plate steel pipe flanges with weld-neck collar and with weld ring neck has been changed from GB/T 10747-1989 Marine combination pipe flanges, slip-on steel outer flanges, butt weld-on steel inner flanges.

GB/T 9120-2010 Loose plate steel pipe flanges with weld-neck collar and with weld ring neck was changed to GB/T 9124.1-2019 Steel pipe flanges—Part 1：PN designated.