... super heat pipe thermal collectors with new design(SRCC,CCC,CE,ISO,CGC,Keymark) Characteristics:1.All the pipeline is made of red ... heat transfer medium liquid .With the heat pipe in the Vaccum tube ,so no water will flow in the Vaccum tube.2.The manifold uses aluminum alloy ... /m2h) 2012 tope sale solar super heat pipe thermal collectors with new design(SRCC,CCC,CE,ISO,CGC,Keymark)