triple cavity all glass vacuum heat collection tube

three cavity evacuated tube is ADDING ONE MORE COMPLETE GLASS TUBE IN THE NORMAL TUBE Structure All-glass double-tube co-axial structureGlass materialHigh borosilicate 3.3 glassExternal pipe ... AREA. THE HEATING EFFICIENCY CAN IMPROVE 30%BY THIS WAY. triple-cavity all-glass vacuum heat collection tube

glass vacuum heat collection tube ,solar vacuum tube,solar evacuated tube Certification:ISO9001-2000 glass vacuum heat collection tube ,solar vacuum tube,solar evacuated tube 1.Vacuum Tube 1).External pipe diameter :47mm/58mm/70mm Internal pipe diameter: ... over 50% 2).Can be used all years round in the climate 3).Low heat loss 4).Stable coating plating technology 5 ...

... glass 2)Strong heat collection; 3)low emission Min. order:1000 pieces The three-target all-glass vacuum heat collecting property and specification is as followsStructure All-glass double-tube ... /(Φ47)H=2.9~3.2MJ/Average heat loss coefficient0.4~0.7W/(.)Resistant Hail25mmLife aged15 years Haoguang three target all-glass vacuum heat collecting tube

... -hard glass which has the characteristics of cold and hot resistance,good crush ability,high mechanical strength and good transmittance.The vacuum heat collection tube ... low as -30 C Three target vacuum tube (AL/SS/CU)Single target vacuum tube(AL/N/AL)Single target vacuum tube and three target vacuum tube all glass vacuum tubes

... all glass vacuum tube 1.manufacturer of solar vacuum tube 2.certificates: CE,SGS,SRCC,ISO900 3.diameter--47/58/ three target all glass vacuum tube one element hitech solar vacuum tube ... of glass tube: hard borosilicate :3.3The thickness of inner and outer tube of:1.6mmAbsorption coefficient: more 88%Absorptive coating :high efficient heat ...

The evacuated tube is similar to a conventional Dewar flask and consists of two borosilicate glass tubes, a glass with high chem All glass vacuum tubes are ... heat loss by conduction and convection.DetailAll-glass Evacuated Solar Collector Tube Specifications Specifications for all-glass evacuated solar collector tube Configuration two concentric borosilicate glass tubes triple ...

solar energy collector using all-glass vacuum tube 1. made of pyrex glass 2. great capability of solar energy collecting solar energy collector using all-glass vacuum tube1. made ... absorbing coating materialHigh absorbing efficiency: the vacuum magnetic-control sputtering selective absorptive coatings on the heat-collecitng plates hasa high absorption coefficient ...

... further enhance the anti-freezing winter cold vacuum tube in the north.High decalescence , low heat loss, this is particularly suitable for cold ... 0.35 μm. In the same heat gain more water flow conditions; The other using the vacuum tube φ 58, the cross-section perimeter ... capacity25mm diameter hail impacts damaged voltage 1Mpa, excellent mechanical properties. All-glass Evacuated Solar Collect Tube

... material: AL-N/Al,sputtering Glass thermal expansion coefficient: 0.0000033/oCGlass tube thickness:1.6mm±0.2Glass material ... Glass 3.3Absorption ratio(AM1.5):>0.93Emittance Ratio(80oC)<0.062Stagnation Parameter:Y≥242m²oC/kWStagnation Temperature:240oCAverage Heat ... 2.64MJ/m²Vacuum Pressure:P<0.049PaContainer Loading:4800pcs/20',400ctn/40'Packing: 24pcs/ctn All-Glass Evacuated Solar Collector Tube