GB/T 1047-2019: Pipework components - Definition and selection of nominal size

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Scope

This Standard gives the definition of DN (nominal size) of pipework components, and
specifies the nominal size series used for pipework components.
This Standard applies to pipework components which use the DN designation system.

Basic Data

Standard ID	GB/T 1047-2019 (GB/T1047-2019)
Description (Translated English)	Pipework components - Definition and selection of nominal size
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	J15
Classification of International Standard	23.040.60
Word Count Estimation	6,645
Date of Issue	2019-03-25
Date of Implementation	2019-10-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration