GB/T 1047-2005 in English

SUPERSEDED

Pipework components - Definition and selection of DN(nominal size)

Issued on:2005-01-13
Implemented on:2005-08-01
File Format:PDF
Delivery:Via email within 1~3 business days

Price(USD)： $60.00
$59.00

Standard No:	GB/T 1047-2005
Document status:	SUPERSEDED
Superseded by:	GB/T 1047-2019 Pipework components-Definition and selection of nominal size
Superseded on:	2019-10-01
Title in English:	Pipework components - Definition and selection of DN(nominal size)
Title in Chinese:	管道元件DN(公称尺寸)的定义和选用
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 1~3 business days
Issued on:	2005-01-13
Implemented on:	2005-08-01
Superseding:	GB/T 1047-1995 Nominal size for pipe components
ICS Classification:	23.040.60-Flanges, couplings and joints
Chinese Classification:	J15-Pipeline fittings
Professional Classification:	GB-National Standard
Related Keywords:	nominal size nominal pipe size size designation pipework components size
Related Topics:	Nominal size Nominal size standard Nominal say iso size definition Nominal size Nominal size The value of the nominal size Nominal diameter of piping components gb1047 select iso pipe size ISO pipe size gb/t1047 pixel size GB/T1047-1995 Dimension Nominal GBT1047 GBT1047-1995 GB/T 1047-2005 GBT 1047-2019 gb/t 1047-2005 gb/t1047-2005 gb/t 1047-2019 gbt1047-2019 gb-t1047-1995 gb/t1047-2005 p

《GB/T 1047-2005管道元件 DN（公称尺寸）的定义和选用》由TC237（全国管路附件标准化技术委员会）归口，主管部门为中国机械工业联合会
本标准规定了DN(公称尺寸)的定义和系列。本标准适用于使用DN标识的相关标准中规定的管道件。

1 Scope
This standard specifies definitions and series of DN (nominal size).
This Standard is applicable to pipework components specified in relevant standards which use DN designation system.
Note: Other methods of size designation are also used, e.g. products having threaded, compression, solder or welded end connections or products designated by NPS (nominal pipe size), OD (outside diameter), ID (inside diameter), but these are not defined in this International Standard.

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