... Solar ComponentCertificate:CE, KEYMARK, SRCC,ISO , CCC Specification 1.Heat pipe tube :High quality tri-elements coating tube(ALN/ALN-SS ... Dia.47mm,1500mm,inside is high quality copper pipe-thickness: 1mm 2.Inner direct-flow pipe: red copper pipe dia.:35mm,thickness:1 mm 3.Insulating ... collectors works with high pressure.2. It uses the heat pipe to delivery the heat energy, it can work rapidly.3 ...