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家庭装修热水管用多大的合适？

家庭装修热水管用多大的合适？

浏览：48次 | 提问时间： 07-10 08:43

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凉城小街姑娘未离 07-10 08:44

室外热水管：
一、室外埋地生活热水管：1、管径80mm及其以内的采用PP-R热水给水管，热熔连接；2、管径100mm及其以上的采用HDPE热水给水管，电热熔连接或热熔连接；3、管径100mm及其以上的也可采用衬塑热镀锌钢管，沟槽连接或法兰连接，法兰垫采用耐高温金属垫片，沟槽的密封圈与给水铸铁管的密封圈要求不同，必须得耐高温。
二、室外埋地采暖热水管：供回水均采用无缝钢管。
三、埋地管的保温及保护层：要求防水、防腐，保护层要求有一定的强度。

毒a高跟鞋的撫媚 07-10 08:52

冷水管用25，热水管用20，主管25，支管20，也可以全用20的。冷热水管，PPR分冷水管和热水管，因为性能的原因，PPR热水管壁厚要大一些;如果是PE-RT管，性能好一些，就不分。　　一般说来入户管道都是6分，屋里为4分水管，其次还要看您家水管的材质，如果是铝塑管，1216为4分，1620为6分，2025为1寸;如果选用PPR作为材料，20的为4分,，25的为6分，32的为1寸，一般家庭以4分，6分居多，其他依情况而定。

Forever优雅 07-10 09:01

水管规格为25的有以下几种型号的，25X2.3 25X2.8 25 X3.5 25 X4.2，一般来说，家用ppr水管规格20X2.8或者是25X3.5型号的就可以了的。当然如果你经济宽裕可以买25规格，价格在10多块一米的也行。在品牌上一般金德、日丰的。希望以上回复能够对您有所帮助，望采纳。

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