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300L No Leakage Solar Panel Heater , Sun Power Solar Water Heater Flat Plate

Categories Flat Plate Solar Water Heater
Brand Name: PASSION/OEM
Model Number: 300L
Certification: CE
Place of Origin: CHINA
MOQ: 1
Price: Negotiable
Payment Terms: L/C, T/T
Supply Ability: 5000units/month
Delivery Time: 10 working days
Packaging Details: CARTONS/PLYWOOD CASE/PALLET
Capacity: 300L
Working Pressure: 6 bar
Glass: Tempered Woven Low Iron Tempered Woven Glass
Accessories: P/T Valve, Safety Valve, Magnesium rod, Electrical heater, Controller
Outer Tank: Color Steel
Inner Tank: Stainless Steel 316L
Bracket: Stainless Steel 304 0/20/30/45 degrees
Collector: Flat Plate
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300L No Leakage Solar Panel Heater , Sun Power Solar Water Heater Flat Plate

300L No Leakage Flat Plate Solar Water Heater Tempered Woven Low Iron Tempered Woven Glass Material


1. 6 years warranty.

2. Excellent after-sale.

3. Sample and bulk orders are available.

4. Fast response within 12 hours and less.

5. OEM/ODM are welcome.


Solar water heater

1) Header pipe: copper pipe , Absorbing fin:Aluminum or copper

2) Outer tank shell:colored steel or stainless steel ,
3) Inner tank : stainless steel 3042B or 316,100L-350L
4) Insulation: by polyurethane Thickness:55-65mm
5) Rubber Seals and Rings: UV stabilized high temperature silicon rubber
6) Optimal installation angle: 20-80 degree
7) Inlet & Outlet: 1/2” or 3/4”


Detailed Product Description
Flat-plate collectors are the most common solar collectors for use in solar water-heating systems in homes and in solar space heating.

A flat-plate collector consists basically of an insulated metal box with a glass or plastic cover (the glazing) and a dark-colored absorber plate.

Solar radiation is absorbed by the absorber plate and transferred to a fluid that circulates through the collector in tubes.

In an air-based collector the circulating fluid is air, whereas in a liquid-based collector it is usually water.
Flat-plate collectors heat the circulating fluid to a temperature considerably less than that of the boiling point of water and are best suited to applications where the demand temperature is 30-70°C (86-158°F) and/or for applications that require heat during the winter months.
Flat collectors can be mounted in a variety of ways, depending on the type of building, application, and size of collector. Options include mounting on a roof, in the roof itself, or free-standing.


Specification of Flat plate panel


Dimensions(W*L*H) mm2000*1060*702000*1060*80
Cross area m222
Absorber area m21.81.8
Conversion factor %78.579.8
Loss coefficient a1 w/m2k4.023.65
Loss coefficient a2 w/m2k 20.00780.0065
Fluid content L2.222.22
Maximum operating pressure MPA11
Temperature of operation °C(-)35~150(-)35~150
Weight empty KG3233
CoreAll copper, ultrasonic welding
CoatingHighly selective titanium-coating(from Gemany)
Absorption≥95%±2%
Emittance≤4%±2%
Absorber material & thicknessCopper T2, δ=0.15mm

Header pipe material

Dimension & quantity

Copper T2, ø22*0.7/ø25*0.6*1060mm, 2pcs

Riser pipe material

Dimension & quantity

Copper T2, ø10*0.5mm, 8pcs
Material & thickness of glass

Normal glass:4mm/tempered glass:4mm

Rhombic tempered glass:4mm/low iron rhombic tempered glass: 3.2mm

Dimension of glass sheet mm1988x988
Transmittance of glass87%~91%
Material & thickness of the frameAluminum, δ=0.8mmAluminum, δ=0.9mm
Color of the framechampagneBronze-colored
Insulation material mmGlass wool, PE Foam/glass wool, high dense polyurethane foam
Insulation thickness3040
Material & thickness of the back sheetZincification plate:0.3mm/embosseo aluminum back sheet: 0.3mm
Cover sealing materialMetal/EPDM+metal
PackingNeutral carton

Packing dimension

(2 pieces in 1 carton) mm

2020*1100*1602020*1100*180

Specification of flat plate solar water heater


capacityPanel sizePanel qty20GP40GP40HQ
150L2000x1060x701121234295
200L2000x1060x702116225283
300L2000x1060x802112216272

Quality 300L No Leakage Solar Panel Heater , Sun Power Solar Water Heater Flat Plate for sale
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