HG/T 20632-2009
Covered serrated metal gaskets for use with steel pipe flanges(Class designated) (English Version)
- Standard No.
- HG/T 20632-2009
- Language
- Chinese, Available in English version
- Release Date
- 2009
- Published By
- Professional Standard - Chemical Industry
- Latest
- HG/T 20632-2009
- Replace
- HG 20632-1997
- Scope
- This standard specifies the type, size, technical requirements and markings of toothed combination gaskets with covering for steel pipe flanges (Class series). This standard is applicable to toothed combination gaskets with covering layers for steel pipe flanges with nominal pressures Class 150 (PN20) and Class 2500 (PN420) specified in HG/T 20615 and HG/T 20623.
HG/T 20632-2009 Referenced Document
- GB/T 3280 Cold rolled stainless steel plate, sheet and strip*， 2015-09-11 Update
- GB/T 4237 Hot rolled stainless steel plate,sheet and strip*， 2015-09-11 Update
- GB/T 912 Hot-rolled sheets and strips of carbon structural steels and high strength low alloy structural steels
- HG/T 20615 Steel pipe flanges(Class designated)
- HG/T 20623 Large diameter steel pipe flanges(Class designated)
- HG/T 20635 Specification for selection of steel pipe flanges,gaskets and bolting(Class designated)
- JB/T 7758.2 Specifications of flexible graphite sheets
- QB/T 3625 Polytetrafluoroethylene plate
HG/T 20632-2009 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/T 20632-2009 Covered serrated metal gaskets for use with steel pipe flanges(Class designated) has been changed from HG 20632-1997 Toothed combination pads for steel pipe flanges (American system).
HG/T 20632-2009 Covered serrated metal gaskets for use with steel pipe flanges(Class designated) has been changed from HG 20632-1997 Toothed combination pads for steel pipe flanges (American system).
