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Vacuum Tube Solar Collector
Mon Oct 17, 2016 00:36

vacuum tube solar collectorFeature:1.Glass vacuum tube solar collector, high temperature,antifreeze,vacuum insulation.2.Food-grade stainless-steel SUS304 2B inner tank,full-automatic welding technology,underthe protection of magnesium rod,it can increase of service life.3.High pressure polyurethane foaming insulation,as the prefect density and4.the thermal conductivity coefficient is small, so it can provide effective heat preservation5.It can supply for several outlets at the same time, so it can fit for various requirement.6.Non-pressure operation, can be used for natural circulation systems, large collector area, flexible installation.7.Designed for commercial building design, suitable for schools, dormitories, hotels, bath centers and other public construction applications.8Can be used for a large swimming pool heating, hot water and other large industrial water systems.9The outer tank adopt color steel plate,and it has good double anti-corrosion function.10.Investment only once,benifit forever. No harm,no pollution, saving and clean.Working principle:the vacuum tube absorbs solar radiation and transform into heat, heat the water in the vacuum tube. hot water flows upward due to the small density , cold water flows downward due to the bigger density, it forms a natural circulation in the vacuum tube. It repeatedly for heat exchange. thereby heat the water in the collector manifold. cold water entering the collector manifold, replacement of the hot water , ultimately, we get hot water..table{ border-collapse:collapse;}
.table td, .table th{ border:1px solid #cdcdcd; padding:5px;}Technical data:Specification & modelSD-G2-15SD-G2-18SD-G2-20SD-G2-24SD-G2-25SD-G2-30Full system parameterTube QTY(pcs)151820242530Tube spacing㎜)75Water tank Net Volume of Storage Tank(L)120140155185195230Gross Capacity(L)155185205245255305Diamater of inner/outer Tank(㎜)φ360/φ470length of outer tank L1(㎜)131015351685198520602435length of inner tank L(㎜)117013951545184519202295material and thickness of inner tank(㎜)SUS304 /t0.41material of outer tankcolor steel plate  t0.45material of insulationpolyurethane Size of electrical heater hole 11/4″Cold water inlet hole1/2″Hot water outlet hole1/2″Assistant tank hole1/2″Air vent hole1/2″Drain vent hole1/2″Sensor hole1/2″Vacuum TubeDiameter/Length(㎜)φ58/1800MaterialHigh boron and silicon glass 3.3 Outside thickness(㎜)1.8Inside thickness(㎜)1.6Light transmission rate≥0.90Vacuum degree (Pa)<10^-2Coating absorption≥0.90Coating emittance≤0.07Average heat waste coefficient≤0.75W/(㎡·℃)Frame2 feets ( left-to-right )3 feets ( left-middle-right )Material Galvanized steel t1.2Galvanized steel t1.2Angle 45°Tube support Specification/hole distance(㎜)φ58/75Accessories:Tube sealing ringSilicon rubber/φ58Tube dusting ringsSilicon rubber/φ58Tube holderABS/φ58 url:

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