Factory Thermodynamic flat panel solar water heater

Raw material

Al-plate: finished products thickness: 1.1 2.0mm,
raw material Al plate thickness: 1.4 2.5mm,

Structure

  Double side rollbond evaporator,
  single side rollbond evaporator,
  part single side rollbond evaporator

Key process

Prepare the material, Cleaning, roughing surface, Printing, Riveting, Rolling, Annealing, Blow up, Punching, Folding and shaping, Capillary connecting, Assembly welding, Leakage Test, Cleaning and drying, Coating, Curing, Inspection, Packing

Technical Standards

1) Size: width 590 (max), length 2050 (max)
2) Can produce according to the drawing or sample supplied by clients, also can help the clients design and produce different models of roll bond evaporator.

Performance

1) Surface treated with powder painting to prevent the corrosion
2) Inner cleanness can meet the requirement of R134a & CFC cooling system.
3) Can satisfy the cooling capability requirements.

Performance

3.5 million sets per year (10000 sets per day)

Residual moisture

≤5 /100cm3

Residual impurity

≤1 /100cm3

Residual mineral oil

≤100 /100cm3

Residual chlorine

≤5vloppm

Residual paraffin

≤3 /

Biggest single impurity

≤0.5mm

Coating thickness

thickness of coating40 90 μ m

Hardness of coating

≥2H

Impact of coating

50cm?kg/cm impact, no crack

Adhesion of coating

≥two grade

Flexibility of coating

Around R=3D bend 180?, no crack or no fall off

Color tolerance of powder
painting

E≤1.5