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塑料类管材用作住宅热介质管道的若干问题 【英文篇名】 Some issues of plastic tubes conveying hot media in dwelling houses 【作者中文名】 张锡虎; 钟京湘; 【作者英文名】 By Zhang Xihu ★ and Zhong Jingxiang Beijing Standardisation Office of Architecture Design; China; 【作者单位】 北京市建筑设计标准化办公室; 北京凯帝克建筑设计有限公司; 【文献出处】 暖通空调, Hv 住宅; 供暖系统; 热介质; 【英文关键词】 plastic tubes; dwelling house; heating system; hot media; 【摘要】 塑料类管材在住宅及其它建筑中应用越来越多 ,在住宅中主要用于户内供暖系统 ,但仅有部分管材适用于输送热介质。指出塑料类管材受使用温度影响很大 ,其许用应力随温度升高而下降 ,管材使用寿命与其使用温度有直接的关系。给出塑料类管材在供暖系统中的 5种使用条件分级 【英文摘要】 Plastic tubes are widely used in dwelling houses and other buildings. They are mainly used in heating systems, but only a certain of plastic materials are suitable for tubing transporting hot media. Points out that plastic tubes are strongly impacted by temperature and that their bearable stress declines as temperature rises. The working life of plastic tubes have direct relationship with temperature. Gives five using condition classifications for plastic tubes for heating systems.