SIS SS-ENV 305-1990 热交换器.换热器的性能定义和建立对于所有热交换器性能的通用测试程序
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标准号:SIS SS-ENV 305-1990
中文标准名称:热交换器.换热器的性能定义和建立对于所有热交换器性能的通用测试程序
英文标准名称:Heat exchangers — Definitions of performance of heat exchangers and the general test procedure for establishing performance of all heating exchangers
发布日期:1990/10/17 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:Th1s European Prestandard defines general terms and calculations used in determining performance of heat exchangers including related theory and general test procedure.This European Prestandard applies to heat exchangers classified according to the general arrangement of heat transfer specified by heat transfer surface types of ENV 247 subclause 4.1. in sub-clause 4.2 (Standard 1).This European Prestandard applies when referenced by the various branch application standards. The specific application European (Pre)standards shall be the prime reference documents.
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1、检测行业全覆盖,满足不同的检测;
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4、免费初检,初检不收取检测费用;
5、自助下单 快递免费上门取样;
6、周期短,费用低,服务周到;
7、拥有CMA、CNAS、CAL等权威资质;
8、检测报告权威有效、中国通用;