Flat solar collector

Working principle

Flat panel collectors working principle is different from evacuated tubes collector. A glazed flat-plate solar collector consists of a shallow rectangular box with a flat black plate behind a tempered glass cover. The plate is attached to a series of parallel tubes or one serpentine tube through which water or another liquid (such as an antifreeze solution) passes. Sunlight passes through the glazing and strikes the absorber plate, which heats up, changing sunshine into heat energy. The heat is transferred to liquid passing through pipes attached to the absorber plate. XINNAN can supply you different kinds of high quality absorber plate with selective film.


1.High weather-proof selective absorbing film.
2.Ultrasonic welding technology. No welding on aborption plate but welding a special alunminum fin, which fix the copper riser to the aborption plate. 

   Protect the coating and material, for longer life span.
3.High quality low-iron tempered glass with surface treatment to get high transmittance and low emittance;
4.Circulation fluid in closed copper pipes, collectors without corrosion and circulation fluid leaking;

Tech info

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