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| T/CAS 619-2022 Prefabricated insulated ductile iron pipes,fittings and accessories for heating (English Version) |
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Introduction of T/CAS 619-2022
本文件规定了供热用预制保温球墨铸铁管、管件及附件的技术要求、检验方法、检验规则、标识、运输及贮存。 本文件适用于热水介质，设计压力不高于2.5 MPa，输送温度（长期运行）不高于120 ℃，峰值温度不高于130 ℃，管径范围为DN80~DN1 600。
Contents of T/CAS 619-2022