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 ... ~3.4MJ/Average heat loss coefficient0.6~0.7W/(.)Resistant Hail25mmLife aged15 yearsADDING ONE MORE COMPLETE GLASS TUBE IN THE NORMAL TUBE,RAISING THE ...

The tube structure is between all-glass evacuated tube and metal-glass evacuated tube with heat pipes. All-glass Evacuated Solar Collector Tube with Heat Pipe for Solar Collector(Solar water heater ... is a vacuum glass tube that lowers heat loss6) Stable solar conversion throughout the day, with the round shaped tube allowing solar penetration from all angles

>All glass vacuum tube for solar collector >High heat effcient, can work all year long All glass vacuum tube for solar collector specifications:Glass materialHigh borosilicate 3.3 glassExternalpipe diameter and thicknessdia ... ±5°c)Vacuum tightnessP≤5.0×10-³PaIdle sunning property parametersY= 220 ~ 260m²°c/KW Details of All glass Evacuated tube:All glass evacuated tube consists of ...

All glass vacuum tube: 1.High absorption efficiency 2.workability in tough weather 3.Low heat loss Tube Length1200(±5mm)1500(±5mm)1700-1800(±5mm)2000(±5mm ... rediance exposure for obtaining a preset water temperature2.8MJ/M2Average heat loss coefficient0.8W(M2C) Lifetime15years

all glass vacuum tube Certificate: SRCC, Solar Keymark, CE and ISO9001 vacuum tubeAll glass vacuum tubes are the key component of solar collectors. The evacuated tube is ... the outer tube. The annular space between the outer tube and inner tube is evacuated to virtually eliminate heat loss by ... achieved.Features: 1.High solar-thermal conversion and low heat loss 2.Stable advanced coating up to 380 3. ...

nice design All-glass coaxial double-layer tubes outer tube diameter: 58/47mm inner tube diameter: 47/37mm length: 1.5-1.8m Our ... to wait and the water is available immediately, high level vacuum ensure operation under cold weather, and the unique super ... super pure copper surface,allowing reflection and minimal heat loss.High level vacuum ensure operation under cold weather.Long time warranty ...