300L integrative close loop solar water heater

close loop solar water heater is a system which working under pressure. The system is isolated from atmosphere and no air come outside. It keeps the hot water preservation more longer than open loop solar water heater which contact the atmosphere directly.

Flat plate type close loop solar water heater adopts the flat plate solar collector as heating device which absorbing solar energy from sun and transfer heat by water exchange to the tank.This exchange way is passive circulation. Hot water goes up and cold water goes down to the solar collector.

Rough idea of our close loop solar water heater  would be helpful for  your quick understand.

l  Water Tank Volume: full water capacity 300L,working pressure 6bar

l  Inner material: Stainless steel SUS304-2B food grade with thickness 1.2mm for inner tank,testing pressure:12bar

l  Outer material: Stainless steel is applied for outer tank, thickness in 0.31mm;bright and noble design favorite by customers.

l  Heat Insulation: high quality polyurethane, thickness in 50mm

l  Stand: 1.2 mm high quality stainless steel in 201-BA, BA mean brightness type

Main features of close loop solar water heater  are popular reasons for more and more people using.

1.    Green Energy, No Pollution and ECO Friendly 

2.    Design to perform in hot place 

3.    Free Maintenance and no running cost 

4.    Pressurized hot water supplier

Our vod close loop solar water heater are dedicately produced in every details.

l  Tank is full capacity designed

l  Tempered glass cover of flat plate for free maintainer and no damage

l  Flat plate solar collector adopts high efficient blue coating.

l  Flat plate solar collector with fiber glass not even back side,but also surround case to make sure a less heat loss

l  Flat plate back side in aluminum alloy steel for anti-rust

l  Tank Insulation foam layer is finished by  chemical polyurethane material which part imported from German ,high density

l  High quality stainless steel in 201 is applied for outer tank

l  Inner tank steel is SUS304-2B food grade stainless steel, thickness reaches 1.5mm, thicker than market standard for long life time and high pressure,and big diameter in order to make tank short to suitable with panel width for beautiful design

l  There is no more depart off risk for out tank cover since rivet up with aluminum rivet to out tank shell.

l  arc-argon technical welding  is applied for all fittings, no leakage risk

l  Flat Flange Screws between storage tank and bracket are used to  protect the tank outer material .

l  Supporting bracket thickness is 1. 2mm.Tank holder bracket in large size to ensure system high resistant to wind.

l  Security valves such as PT valve, air suction  vale, one way valve are well designed .

l   The parts : Magnesium bar, electric heater, sensor port,and  intelligent controller are available as customer request

Choose our close loop solar water heater definitely meet your main demand for confirmtabe life.

We have  range 100L to 350L  close loop solar water heater  which can meet family 1 to 9 persons demand.