HG/T 20630-2009: Metal jacketed gaskets for use with steel pipe flanges (Class designated)

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Scope

This standard specifies the type, dimension, technical requirements and marking of metal
jacketed gaskets for use with steel pipe flanges (Class designated).
This standard is applicable to the raised-face metal jacketed gaskets for use with steel
pipe flanges that the nominal pressure is Class300 (PN150) in HG/T 20615.
Note. As for the use of the gaskets in which contain the material of asbestos, it shall meet
the requirements of the relevant laws and regulations. If the aforesaid gaskets are used, the
protective measures shall be adopted to prevent man from damaging.

Basic Data

Standard ID	HG/T 20630-2009 (HG/T20630-2009)
Description (Translated English)	Metal jacketed 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	8,817
Date of Issue	2009-02-05
Date of Implementation	2009-07-01
Older Standard (superseded by this standard)	HG 20630-1997
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 20615; HG/T 20635; 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 (Class Series) covered with metal gasket type, size, technical requirements and marking. This standard applies to HG/T 20615 specified nominal Class300 (PN50) ~ Class900 (PN150) projecting surface of steel pipe flanges with metal jacketed gaskets.