EN ISO 28721-1:2019
釉瓷和搪瓷.加工厂用玻璃衬里装置.第1部分:装置、部件、器具和附件的质量要求

Vitreous and porcelain enamels - Glass-lined apparatus for process plants - Part 1: Quality requirements for apparatus, components, appliances and accessories (ISO 28721-1:2019)

作废

非常抱歉，我们暂时无法提供预览，您可以试试： 免费下载 EN ISO 28721-1:2019 前三页，或者稍后再访问。

如果您需要购买此标准的全文，请联系： 。

注意： 点击下载后，生成下载文件时间比较长，请耐心等待......

标准号

EN ISO 28721-1:2019

发布

2019年

发布单位

欧洲标准化委员会

当前最新

EN ISO 28721-1:2019

 

 

适用范围

This document specifies the quality requirements for apparatus, components, appliances and accessories of glass-lined steel (including semi-crystallized enamel coatings) and glass-lined steel castings used for process plants. It specifies the quality requirements and the tests to be carried out by the manufacturer as well as the actions to be taken to repair defects. It is also applicable to glass-lined pumps, pump components and fittings. It does not apply to glass-lined flanged steel pipes or glass-lined flanged steel fittings. NOTE 1 Provisions for glass-lined flanged steel pipes and glass-lined flanged steel fittings are given in ISO 28721-4. The test methods specified cover checking the enamel, the dimensional accuracy and the performance of apparatus and components. This document is applicable to new apparatus and components as well as used items that have been re-enamelled. It does not contain requirements regarding the chemical or physical properties of vitreous and porcelain enamels. NOTE 2 Examples of test reports are given in Annex A.

EN ISO 28721-1:2019相似标准

推荐