Economic 2m² flat plate solar collector for solar water heater and big hot water project

Short Description:

The economic flat plate solar collector model is special design for big commercial solar hot water heating system, big commercial solar hybrid heat pump hot water system, or for the home solar water heater with a cost save budget. 

Product Detail

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Detailed Product Description

Flat panel solar collector is the basic component of low-temperature heat utilization of solar energy, and has always been the leading product in the world solar market. Flat plate collector has been widely used in domestic water heating, swimming pool heating, industrial water heating, building heating and air conditioning and many other fields. 

03 flat plate solar collector2
02 flat plate solar collector2
flat plate collector

We have two models flat plate solar collector, one is high class C- Series flat plate collector, another is the economic one PB series. Both of the models have black chrome coating absorber surface.  

details of flat plate solar collector2


Model Number

PB-2.0A -80

Ext. Dimension (mm)

2000 x 1000 x 80

Gross / Aperture area

2.0 / 1.83 (M2)

Absorber Coating

Selective black chrome coating

Optical Performance
of absorber coating

Absorption: >95%  Emission: <8%

Efficiency coefficients
(Based on Aperture Area)

ŋa =  0.76 - 4.72Tm*

Stagnation temperature


Incidence angle modifier


Absorber Material

All in one: Aluminum fin / L1940 X W950 x δ0.3mm

Risers tube

Copper TP2- L1886 x Ø9 x δ0.5mm

Riser quantity


Header Manifold

Ø22/ L1060/ δ0.6mm

Fluid Capacity


Frame Casing/
Wall Thickness

Aluminum alloy 6063

Bottom Insulation
and thermal conductivity

25mm fiberglass wool+alu foil cover
Thermal conductivity: 0.034w/m.k

Back Sheet

0.3mm galvanized steel

Glass Cover

3.2mm tempered, low- iron patterned solar glass,

transitivity >/= 92%

Tested/Rated pressure

1.2Mpa/ 0.6Mpa

Q&A: What’s the advantage of black chrome coating absorber surface? 

Absorptivity of black chrome coating has the emission ratio ε 93- 0.97 and 0.07- 0.15 respectively, α/ ε It has good spectral selectivity.

The black chrome coating has good thermal stability and high temperature resistance. It is suitable for high temperature conditions and can work stably for a long time at 300 ℃.

In addition, the black chrome coating has good weather resistance and corrosion resistance. 

Loading the solar collectors

05 flat plate solar collector2

Application Cases 

06 flat plate solar collector2

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