GB/T 12385-2008: Standard test method for sealability of gaskets for pipe flanges

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Scope

This Standard specifies 2 test methods, Method A and Method B, for the sealability of
gaskets for pipe flanges.
The 2 test methods of this Standard are applicable to asbestos rubber gaskets,
non-asbestos rubber gaskets, rubber gaskets, Teflon gaskets, expanded or modified
Teflon gasket, flexible graphite composite gaskets, spiral wound gaskets, metallic clad
gaskets, Teflon clad gaskets and gaskets of serrated metal, corrugated metal
and waveform serrated metal with non-metallic coating. They are also applicable to
metallic flat gaskets.

Basic Data

Standard ID	GB/T 12385-2008 (GB/T12385-2008)
Description (Translated English)	Standard test method for sealability of gaskets for pipe flanges
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	8,848
Date of Issue	2008-05-07
Date of Implementation	2008-11-01
Older Standard (superseded by this standard)	GB/T 12385-1990
Regulation (derived from)	National Standard Approval Announcement 2008 No.7 (Total No.120)
Issuing agency(ies)	General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary	This standard specifies the pipe flange gasket sealing performance of A, B two test methods. This standard two test methods are applicable to asbestos rubber gaskets, non-asbestos rubber gaskets, rubber gaskets, PTFE gaskets, expanded or modified PTFE pads gaskets, flexible graphite gaskets, spiral wound gasket, metal jacketed gaskets, teflon coated pads, with toothed metal and nonmetal cover layer, corrugated metal and metal gasket tooth wave. Metal flat gaskets may be referring to the method.