all glassvacuum tube with heat pipe

详情

Key features: certified solar energy product reliable and efficient heat transfer by twin-glass vacuum tube copper heat pipe for much more rapid heat transfer suitable for main pressure (up to 8 bar/**6i) corrosion resisatant silver brazed copper header easy plug-in installation ideal suitalble for the integrative pressurized solar water heater(SWH) and split pressurized SWH maintenance free quality guaranteed period:*0 years certificates: CE , ISO********8, CCC, and Keymark, SRCC and so on. specification: The marerial of glass tube: hard borosilicate :3.3 The thickness of inner and outer tube of:1.6mm Absorption coefficient: ï¹¥*0%(*2%) Absorptive coating :high efficient heat absorptive selective coating: SS-C/CU