Flat Plate Solar Collector Manufacturer

iW Solar builds the iW-F series flat plate solar collector in one standard 2,000 × 1,000 × 80 mm format, with six absorber and coating combinations, a 0.6 MPa working pressure rating and a 25-year design life. B2B manufacturing and OEM & ODM for importers and distributors since 2013.

2.00 m²Gross collector area
0.6 MPaWorking pressure
25 yrDesign service life
6Absorber / coating options
iW-F flat plate solar collector 2000 x 1000 x 80 mm with black chrome absorber and aluminium frame
iW-F series flat plate solar collector, 2,000 × 1,000 × 80 mm

What Is a Flat Plate Solar Collector?

A flat plate solar collector is an insulated, weatherproof panel that turns sunlight into usable heat for hot water and heating systems. Sunlight passes through a tempered glass cover, is absorbed by a selectively coated absorber plate, and is carried away by copper tubes welded to the back of the plate. From there the heat travels to the storage tank in water or a glycol mixture.

iW Solar manufactures the iW-F series flat plate solar collector in Taian City, Shandong Province. Every panel uses one standard format of 2,000 × 1,000 × 80 mm with 2.00 m² gross area, which keeps roof layout planning and container loading simple for our distributors. Six absorber and coating combinations are available, from an economical anodised aluminium version to laser-welded black chrome and blue film versions.

Flat Panel or Flat Plate? They Are the Same Product

Buyers search for this product under both names, so let us settle it here: a flat panel solar collector and a flat plate solar collector are exactly the same device — a flat, rectangular panel with a glass cover and an absorber inside. “Flat plate collector” is the more common term in technical and European contexts, while “flat panel collector” is widely used in trade. Whichever name your customers use, the iW-F series is the product behind both.

iW-F Series Specifications

ItemSpecification
ModelsSC-F-C/A, SC-F-C/A1, SC-F-C/BC, SC-F-C/BC1, SC-F-C/VC, SC-F-C/VC1
Dimension (L × W × T)2,000 × 1,000 × 80 mm
Gross area2.00 m²
CoverTempered textured glass, 4 mm, transmittance up to 92%
Absorber coatingAnodic oxidation / black chrome / Chinese blue film / German blue film
WeldingUltrasonic welding (A series) or laser welding (BC and VC series)
Header and riser pipeCopper TP2, 22 × 0.6 mm
Max working pressure0.6 MPa (pressure tested to 0.8 MPa)
Max operating temperature≤ 200 °C
InsulationGlass wool, 30 mm back / 20 mm sides
Frame6063 aluminium alloy
Back coverEmbossed aluminium sheet
SealEPDM
Net weight36 – 38 kg depending on model
Design service life25 years

Absorber Coating Options

The absorber is where a flat plate collector earns its keep, so the iW-F series comes in six build combinations:

  • SC-F-C/A — anodic oxidation coating, ultrasonic welding. The economical choice for price-driven markets.
  • SC-F-C/A1 — anodic oxidation with copper strap, ultrasonic welding. Better heat transfer than the A version, still budget-friendly.
  • SC-F-C/BC and SC-F-C/BC1 — black chrome coating, laser welding. High absorption and the most popular specification for export projects.
  • SC-F-C/VC — Chinese blue film, laser welding. A balanced mix of performance and appearance.
  • SC-F-C/VC1 — German blue film, laser welding. The premium option for European-style projects where the collector stays visible.

Not sure which version to quote? Send us your market and target price and we will recommend the right build. For background on materials, see our solar water heater material guide.

Engineered for a 25-Year Service Life

  • Laser welding between the full aluminium absorber and the copper tubes gives strong heat conduction and a rigid structure that survives long-distance transport.
  • 4 mm tempered textured glass with up to 92% transmittance lets more energy in and shrugs off hail and vandalism.
  • Glass wool insulation (30 mm at the back, 20 mm at the sides) with an EPDM seal keeps heat in and rain out.
  • The 6063 aluminium alloy frame and embossed aluminium back sheet resist corrosion, including in coastal air.
  • Rated for 0.6 MPa working pressure and tested to 0.8 MPa, with a maximum operating temperature of 200 °C.
  • Every series is tested for mechanical load, freeze resistance, rain penetration, exposure, hail impact and internal and external shock.

Where a Flat Plate Collector Is the Right Choice

Flat plate collectors are the natural fit when your market has:

  • Mild to warm climates where frost is rare or brief
  • Projects where the collector is visible and appearance matters, including in-roof and facade installation
  • Pressurised systems, heat pumps or combi systems that need a collector rated for line pressure
  • Commercial hot water: hotels, schools, apartment blocks and swimming pools

If your market has hard winters, compare it with our heat pipe solar collector, which keeps working down to -35 °C. And for the lowest-cost household option where budget leads the decision, see our non-pressure solar water heater.

OEM & ODM for Importers and Distributors

iW Solar is a B2B manufacturer, not a retail shop. That means the collector is built around your business:

  • Your logo on the frame, carton and manual
  • Packing designed around your container plan
  • Matched storage tanks: pressurised (iW-F), non-pressurised (iW-FT, 150–300 L) and split systems (SS-F, 150–500 L)
  • MOQ from 1 set for market testing, flexible quantities for bulk orders
  • 18–25 working days production after confirmation

Frequently Asked Questions

Is a flat panel solar collector the same as a flat plate solar collector?

Yes. Both terms describe the same product — a flat, glazed panel with an absorber plate inside. “Flat plate collector” is the technical term used in most standards and in Europe; “flat panel collector” is a common trade name. The iW-F series covers both.

Can the iW-F collector be used in a pressurised system?

Yes. The collector is rated for 0.6 MPa working pressure and pressure tested to 0.8 MPa, so it works with pressurised tanks, heat pumps and split systems.

Which coating should I import for my market?

Black chrome with laser welding (SC-F-C/BC) is the most popular export specification. Choose anodic oxidation for price-driven markets and blue film versions where a premium look matters, such as visible European-style installations.

How long does a flat plate collector last?

The iW-F series is engineered for a 25-year service life, and complete solar water heater systems built with it typically last 15–20 years depending on water quality and maintenance.

What is the minimum order and lead time?

MOQ starts from 1 set for market testing. Production takes 18–25 working days after order confirmation, and we reply to every enquiry within 12 hours.

Get Your Flat Plate Collector Quotation

Tell us your target market, estimated annual quantity and any drawing or tender specification you already have. Our engineers will come back with a recommended model, coating and price within 12 hours.

Request a quotation See all solar water heater products

“Your Budget, Our Priority”

Competitive pricing, exceptional quality — get a factory quote within 12 hours.

If you are looking for an experienced and reliable factory for your OEM custom solar water heaters and bespoke solar equipment in China, iWSOLAR is your best choice. We offer the most reasonable price with the finest quality to support your business.

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