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刊名：石油和化工设备
曾用名：化工设备与防腐蚀
主办：中国化工机械动力技术协会
主管：中国石油和化学工业联合会
ISSN：1674-8980
CN：11-5253/TQ
语言：中文
周期：月刊
影响因子：0.185185
被引频次：8571
数据库收录：
CA 化学文摘(美)(2014);期刊分类：矿产开采

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来源：石油和化工设备 【在线投稿】栏目：期刊导读时间：2021-11-10

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【摘要】文章摘要:This European Standard applies to valves of DN15 and greater, made of metallic materials for chemical and petrochemical plants. It contains additional requirements to those contained in the relevant European product standards.T

文章摘要:This European Standard applies to valves of DN15 and greater, made of metallic materials for chemical and petrochemical plants. It contains additional requirements to those contained in the relevant European product standards.Two levels of quality are included. All valves shall meet the requirements of level I. Valves shall meet the requirements of level II only when required by the order.NOTE: It is assumed that the essential safety requirements of the PED （satisfied by European product standards） and safety requirements from other standards are satisfied.

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文章来源：《石油和化工设备》网址: http://www.syhhgsb.cn/qikandaodu/2021/1110/990.html