HG/T 20609-2009: Metal jacketed gaskets for use with steel pipe flanges (PN designated)

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Scope

This national standard specifies pattern, dimension, and technical requirement and
marking of metal jacketed gaskets for use with steel pipe flanges (PN designated).
This Standard is applicable to metal jacketed gaskets for use with steel pipe flange with
raised face in nominal pressure of PN25~PN100 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 20609-2009 (HG/T20609-2009)
Description (Translated English)	Metal jacketed 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	8,865
Date of Issue	2009-02-05
Date of Implementation	2009-07-01
Older Standard (superseded by this standard)	HG 20609-1997
Quoted Standard	GB/T 232; GB/T 710; GB/T 2040; GB/T 2518; GB/T 3280; GB/T 3880; GB/T 3985; GB/T 15601; HG/T 20592; HG/T 20614; JB/T 7758.2
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) covered with metal gasket type, size, technical requirements and marking. This standard applies to HG/T 20592 specified nominal pressure PN25 ~ PN100 projecting surface of steel pipe flanges with metal jacketed gaskets.