各種管材公稱直徑與外徑對照

1、各種管材公稱直徑與外徑對照表公稱直徑DN外徑De焊接鋼管無縫鋼管螺旋管UPVC 管PP-R 管PB管鋁塑管鑄鐵排水管高密度聚乙烯管時(shí)間:2021.02. 05創(chuàng) 作： 歐陽科序號11521.320202022026.82825252532533.53232323243242.3384040405404848505050650605750636363505076575.5767575757588088.58975909090759100114108110110110110100110101251401331251115016515916015016012200219219200200200132

2、50273273143003253251535037737716400426426174504804801850053053019600630630室外埋地給排水管材管徑標(biāo)注、與公稱直徑對照關(guān)系表序 號公稱 直徑R球墨鑄鐵 管玻璃鋼夾 砂管(RPM 管)埋地 PVC-U 給水管埋地聚乙 烯給水管用于給水 排水鋼塑 復(fù)合管埋地排水 PVC-U 雙壁波紋管埋地聚乙 烯排水管鋼筋混凝 土排水管預(yù)應(yīng)力鋼筒混凝土管(PCCP)PCCPLPCCPEDNDMDNDNDNDNDNDNDNDDD12025202253232253321010324404050501055057x3. 55063635066565

3、75756578089x4809090S08100108x41001101101001109125133x412514014012514010150159x4. 515016016015016015011200219x620020020020020020020012250273x825025025025025025025013300325x830030031531530031530030014350377x935035535035515400426x9400100100100100400100400100室外埋地給排水管材管徑標(biāo)注、與公稱直徑對照關(guān)系表序 號篦焊接 鋼管球墨鑄鐵 管玻璃鋼夾 砂

4、管(RPM 管)埋地 PVC-U 給水管埋地聚乙 烯給水管用于給水排 水鋼塑復(fù)合 管埋地排水 PVC-U 雙壁波紋管埋地聚乙 烯排水管鋼筋混凝 土排水管預(yù)應(yīng)力鋼筒混凝 土管(PCCP)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