HG 20632-1997
Toothed combination pads for steel pipe flanges (American system) (English Version)

Standard No.

HG 20632-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

Professional Standard - Chemical Industry

Status

Be replaced 2009-07

Replace By

HG/T 20632-2009

Latest

HG/T 20632-2009

Scope

This standard specifies the type, size and technical requirements for toothed combination gaskets for steel pipe flanges (American system). This standard is applicable to toothed combination gaskets for raised face necked butt-welded steel pipe flanges and integral steel pipe flanges with a nominal pressure PN of 5.0MPa (Class 300) to 42.0MPa (Class 2500) specified in HG 20615 piece.

HG 20632-1997 history

• 2009 HG/T 20632-2009 Covered serrated metal gaskets for use with steel pipe flanges(Class designated)
• 1997 HG 20632-1997 Toothed combination pads for steel pipe flanges (American system)

HG 20632-1997 Toothed combination pads for steel pipe flanges (American system) was changed to HG/T 20632-2009 Covered serrated metal gaskets for use with steel pipe flanges(Class designated).