HG/T 20606-2009: Non-metallic flat gaskets for use with steel pipe flanges (PN designated)

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Scope

This national standard specifies the pattern, dimension, technical requirements and marking
of non-metallic flat gaskets (with or without insertion) for use with steel pipe flanges (PN
designed).
This Standard is applicable to non-metallic flat gaskets for use with steel pipe flange in
nominal pressure of PN2.5~PN63 specified in HG/T 20592.
Note. the use of the asbestos-contained material shall comply with requirements of relevant
laws and regulations. When the production and use are containing asbestos material gasket,
protective measures shall be adopted, so as to ensure not endanger the person health.

Basic Data

Standard ID	HG/T 20606-2009 (HG/T20606-2009)
Description (Translated English)	Non-metallic flat 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	14,156
Date of Issue	2009-02-05
Date of Implementation	2009-07-01
Older Standard (superseded by this standard)	HG 20606-1997; HG 20608-1997
Quoted Standard	GB/T 539; GB/T 3280; GB/T 3985; HG/T 20592; HG/T 20614; JB/T 6613; JB/T 6628; 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 non-metallic flat gaskets (with inserts or no inserts) of the type, size, technical requirements and marking. This standard applies to HG/T 20592 specified nominal PN2. 5 ~ PN63 steel pipe flanges with metallic flat gaskets.