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表2PVC-U管材与HDPE管材工程造价对比表项目PVC-U管HDPE管连接形式弹性密封圈连接、粘合剂粘接、法兰连接、机械压紧连接、丝扣连接。热熔连接、电熔连接、法兰连接、机械压紧连接、钢塑过渡管件连接。接口特点弹性密封圈连接可靠性高,对施工人员素质要求不高,施工工具简单,施
Table 2PVC-U pipe and HDPE pipe project cost comparison table Project PVC-U pipe HDPE pipe Connection Elastic ring connection, adhesive bonding, flange connection, mechanical compression connection, threaded connection. Hot-melt connection, fused connection, flange connection, mechanical compression connection, steel-plastic transition pipe connection. Interface Features Flexible sealing ring connection, high reliability, less demanding on the quality of construction workers, construction tools simple, Shi