HG/T 20611-2009: Covered serrated metal gaskets for use with steel pipe flanges (PN designated)

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Scope

This standard specifies the type, dimension, technical requirements, labeling and
marking of covered serrated metal gaskets for steel pipe flanges (PN designated).
This standard is applicable to covered serrated metal gaskets for steel pipe flanges
specified in HG/T 20592 whose nominal pressure is PN16~PN160.

Basic Data

Standard ID	HG/T 20611-2009 (HG/T20611-2009)
Description (Translated English)	Covered serrated metal gaskets for use with steel pipe flanges (PN designated)
Sector / Industry	Chemical Industry Standard (Recommended)
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	12,193
Date of Issue	2009-02-05
Date of Implementation	2009-07-01
Older Standard (superseded by this standard)	HG 20611-1997
Quoted Standard	GB/T 912; GB/T 4237; GB/T 3280; HG/T 20592; HG/T 20614; 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 (PN 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 20592 specified nominal pressure PN16 ~ PN160 steel pipe flanges with a covering layer of the tooth combination pad.