vacuum tube solar collector
1.Glass vacuum tube solar collector, high temperature,antifreeze,vacuum insulation.
2.Food-grade stainless-steel SUS304 2B inner tank,full-automatic welding technology,under
the protection of magnesium rod,it can increase of service life.
3.High pressure polyurethane foaming insulation,as the prefect density and
4.the thermal conductivity coefficient is small, so it can provide effective heat preservation
5.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.
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.
Specification & model
Full system parameter
Net Volume of Storage Tank（L）
Diamater of inner/outer Tank（㎜）
length of outer tank L1（㎜）
length of inner tank L（㎜）
material and thickness of inner tank（㎜）
material of outer tank
color steel plate t0.45
material of insulation
Size of electrical heater hole
Cold water inlet hole
Hot water outlet hole
Assistant tank hole
Air vent hole
Drain vent hole
High boron and silicon glass 3.3
Light transmission rate
Vacuum degree （Pa）
Average heat waste coefficient
2 feets ( left-to-right )
3 feets ( left-middle-right )
Galvanized steel t1.2
Galvanized steel t1.2
Tube support Specification/hole distance（㎜）
Tube sealing ring
Tube dusting rings