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.

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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.

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.

Specifications

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	170℃
Incidence angle modifier	0.89(50°）
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	7PCS
Header Manifold	Ø22/ L1060/ δ0.6mm
Fluid Capacity	1.6L
Frame Casing/ Wall Thickness	Aluminum alloy 6063
Bottom Insulation and thermal conductivity	²⁵^{mm 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.