各种管材管径标注、与公称直径对照关系表

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1、室外埋地给排水管材管径标注、与公称直径对照关系表第1页共2页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)PCCPLPCCPEDNDxδDNDNdndnDNdnDNddd12025202253232253324040324404050504055057x3.5506363506656575756578089x4809090808100108x41001101101001109125133x412514014

2、012514010150159x4.515016016015016015011200219x620020020020020020020012250273x825025025025025025025013300325x830030031531530031530030014350377x935035535035515400426x9400400400400400400400400400室外埋地给排水管材管径标注、与公称直径对照关系表第2页共2页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P

3、VC-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)PCCPLPCCPEDNDxδDNDNdndnDNdnDNd16450480x945045045045045017500530x950050050050050050050050050018600630x960060063063060063060060060019700720x970070071070071070070070020800820x980080080080080080080080021900920x99009009009009009009009002210001020x9

4、10001000100010001000100010001000231100110011001100110011002412001220x1012001200120012001200120012002514001420x1114001400140014001350140014002615001500150015002716001620x121600160016001600165016002818001820x141800180018001800180018002920002020x1420002000200020002000200030＞.20002200~2

5、6002200~25002200~30002200~24002200~4000