Download or read book GB T 1047 2019 Translated English of Chinese Standard GBT 1047 2019 GB T1047 2019 GBT1047 2019 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2019-04-14 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.