solar vacuum heat collection tubes

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/ ... 3).Low heat loss 4).Stable coating plating technology 5).High heat resistanceand high cold resistance.(Certification:ISO9001-2000) glass vacuum heat collection tube ( ...

... vacuum tube can ensure both sealing and replace of damaged glass vacuumtube. evacuated heat collection tubeEvacuated tube are the absorber of the solar ... manufacturing costEach evacuated tube consists of two glass tubes made from extremely strong borosilicate glass,The outer ... which features excellent solar radiation absorption and minimal reflection propertiesThe top of the two tubes are fused together ...

... /H≤3.7MJ/(Φ47)H=3.1~3.4MJ/Average heat loss coefficient0.6~0.7W/(.)Resistant Hail25mmLife aged15 yearsADDING ONE ... CAN IMPROVE 30%BY THIS WAY. triple-cavity all-glass vacuum heat collection tube

... and effiency China Hitek Solar Co., Ltd. Features1. This is Full Vacuum Tube with Direct Flow Pipe.2. High heat efficiency, 15% higher ... efficiency than normal vacuum tube.3. The direct flow ipe is made up by two concentric single-wall-tubes ... of glass: 91%Vacuum< 10-8 barMin. ambient tem.-50°CStagnation temp.300°CResistance to hailØ35mm 70MM Direct Flow Vacuum Heat Pipe

... high-quality 3.3 high borosilicate glass tubes, it has a good anti-emergency heat, solar vacuum tube ItermsSizeCapacity(L)Absorb area(m2)20GP ... /40GP loading qty(pc)single vacuum tube47*12001.290.074200 ... ! We sincerely hope you will be my next business friends. solar vacuum tube

... years liftime.5 years warrenty period. Three-high all-glass vacuum heat collection tube property and specification: Structure: All-glass double-tube co ... .5)Emission ratio: 0.04~0.06(80± 5)Vacuum tightness: P≤ 50x10-3 (Pa)Idle sunning property parameters ... (Φ 47) H=2.9~3.2 MJ/m2 Average heat loss coefficient: ULT=0.4~0.6W/(m2. ) solar vacuum tube

... solar vacuum tube: 1.fast thermal collecting efficiency 2.high heat resistance 3.high cold resistance 58mm/1800mm Solar vacuum tube: Three-target all-glass vacuum heat collection ... ratio0.04~0.06(80°C±5°C)Vacuum tightness5.0×10-3PaIdle sunning property parameters260~300m².° ... 47)H=2.9~3.2MJ/ m²Average heat loss coefficient0.4~0.6W/(m².°C)Resistant ... which is black 2012 hot New solar vacuum tube

... if individual tube is damaged.the service life of the heat pipe can be longer than 15 years3.With a special ... the air conditioner,which can transfer the heat energy into the electric energy . Such tubes possess the high performance of absorption and ... .We have established business with many companies which purchase our solar air conditioner tubes for exportation. solar vacuum air conditioner tube

... )Available size: 47mmX1500mm, 58mmX1800mm7)Materials of tubes:copper,stainless steel,aluminum. Item NameItem NO.Solar heat pipe58mm*1.8mStructureAll-glass double-tube co ... , or vice verse; by doing this to change the heat flowden solar vacuum tube with Heat pipe 2012 NEW! ! ! ! Send Me inquiry ,Surprise waiting ...

Three layers vacuum tubes High absorption is 92%, reflection reduces 65% heat increases 12% Higher temperature, more hot water. Three layers vacuum tubesJust like ... . 3) Efficient absorption: High absorption is 92%, reflection reduces 65% heat increases 12% Higher temperature, more hot water.Part 1. Advantages ... .Evacuated Tube Basic Specifications 1800*58mm/1500*47mm three layers solar vacuum tubes

... years warranty .OEM availabl Solar vacuum tubeModel:FD-HP-01Solar vacuum tube working principle: 1. On heat-pipe collector, the condenser ... . 2. After the solar energy is absorbed by the vacuum tubes, it is transferred to the heat-pipe through the aluminum ... coils in the tank. Solar vacuum tube features 1. Higher heat efficiency: Advanced heat transferring style of the heat pipe, excellent selective ...

... absorbing layers 4.optional length spec. details of solar vacuum tubes:Single Target vacuum magnetron sputteringTube structuredual tubes, coaxialTube materialBorosilicate glass 3.3Outer tube Dia ... -3Outer tube transmittance≥91%Absorption rate≥93%Emittance rate≤8%heat loss efficient≤0.8w/M2°CStagnation tempreture220~260°Cthermal expansion ...