PE管道不停水开三通改进技术

Vol35No32009103PE杜海宽杜俨张军翟俊杰于海波李冬梅(,475002)通过改进管件和热熔模具直接头,将改进管件熔接在PE主管道上,然后使用专用开口钻开口,达到不停水开三通的目的可靠性试验和应用实践表明,该改进技术可靠,可在新建小区旧楼户表改造等工程中应用PE管道直接头不停水开三通改进管件1PE,PEPE,,dn110PEdn63,,,PEdn110,,,,,,,,2PE200711PEPE,PEdn110~315,(1),(2),,(3),(4)15,,(5),41,,,(6),,!,,4,:,,,,,,参考文献1,.(:).2.:,20012,.∀∀∀.:,2006#:[phone]:20081029:20081222104Vol35No320093,,dn110~315PE,,dn3151(-3∃),(1),,,(2)0.3MPa,,,,(3),0.6MPa,30min,0.3MPa2h,,,(4),,,,(4),44PEPE,,,,,,,,PEdn110~315,,,,,,dn110~315PEdn63dn110#:47500243:[phone]:20081107