HG/T 20632-2009: Covered serrated metal gaskets for use with steel pipe flanges (Class designated)

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Scope

This standard specifies the type, dimension, technical requirements, marking and sign of
combined covered serrated gasket for use with steel pipe flanges (Class designated).
This standard is applicable to the covered serrated metal gaskets for use with steel pipe
flanges whose nominal pressures are from C1assl50 (PN20)-C1ass2500 (PN420) which are
specified in HG/T 20615 and HG/T 20623.

Basic Data

Standard ID	HG/T 20632-2009 (HG/T20632-2009)
Description (Translated English)	Covered serrated metal gaskets for use with steel pipe flanges (Class designated)
Sector / Industry	Chemical Industry Standard (Recommended)
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	14,143
Date of Issue	2009-02-05
Date of Implementation	2009-07-01
Older Standard (superseded by this standard)	HG 20632-1997
Quoted Standard	GB/T 912; GB/T 4237; GB/T 3280; HG/T 20615; HG/T 20623; HG/T 20635; JB/T 7758.2; QB/T 3625
Regulation (derived from)	Engineering [ 2009 ] No. 27
Issuing agency(ies)	Ministry of Industry and Information Technology
Summary	This standard specifies the steel pipe flanges (Class Series) with a covering layer of the tooth with a combination of pad type, size, technical requirements, marking and signs. This standard applies to HG/T 20615, HG/T 20623 specified nominal pressure Class150 (PN20) ~ Class2500 (PN420) steel pipe flanges with a covering layer of the tooth combination pad.