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各种管材公称直径与外径对照.docx

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各种管材公称直径与外径对照表 序号公称直径DN外径De焊接钢管无缝钢管螺旋管UPVC管PP-R管PB管铝塑管铸铁排水管高密度聚乙烯管11521.320202022026.82825252532533.53232323243242.3384040405404848505050650605750636363505076575.5767575757588088.5897590909075910011410811011011011010011010125140133125111501651591601501601220021921920020020013250273273143003253251535037737716400426426174504804801850053053019600630630室外埋地给排水管材管径标注、与公称直径对照关系表 序号公称直径焊接 钢管球墨铸铁管玻璃钢夹砂管(RPM管)埋地PVC-U 给水管埋地聚乙烯给水管用于给水排水钢塑复合管埋地排水PVC-U 双壁波纹管埋地聚乙烯排水管钢筋混凝土排水管预应力钢筒混凝土管(PCCP)PCCPLPCCPEDNDxδDNDNDNDNDNDNDNDDD12025202253232253324040324404050504055057x3.5506363506656575756578089x4809090808100108x41001101101001109125133x412514014012514010150159x4.515016016015016015011200219x620020020020020020020012250273x825025025025025025025013300325x830030031531530031530030014350377x935035535035515400426x9400400400400400400400400400 室外埋地给排水管材管径标注、与公称直径对照关系表 序号公称直径焊接 钢管球墨铸铁管玻璃钢夹砂管(RPM管)埋地PVC-U 给水管埋地聚乙烯给水管用于给水排水钢塑复合管埋地排水PVC-U 双壁波纹管埋地聚乙烯排水管钢筋混凝土排水管预应力钢筒混凝土管(PCCP)PCCPLPCCPEDNDxδ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＞.20002200~ 26002200~ 25002200~ 30002200~ 24002200~ 4000