Description

Un-Pressurized Solar Water Heater

Water tank outer cylinder

White pearl board, diameter Φ470mm, thicknessδ=0.32mm

Water tank inner cylinder

Food grade  SUS304 stainless inner cylinder,

diameter Φ360mm, thickness δ=0.31mm

Tank insulating layer

55-60mm thickness,high-density polyurethane foamed

Inlet and outlet hole

Male G 1/2, 3/4

Solar vacuum tube

High Borosilicate 3.3 glass with  SS-Cu-ALNx coating

Thickness of glass tube

1.6mm

Air-drying temperature

P≤2x10^-3Pa

Absorption

as=0.93-0.96(AM1.5)

Emission ratio

εh=0.04-0.06(80°C±5 °C )

Maximum stagnation

Y=250m²°C /kw

Average heat loss coefficient

ULT=0.4~0.6W/(m²°C )

Bracket

Galvanized steel or Aluminum alloy

Absorber area

3.25m²

Heat pipe size

High efficient 58x1800mm triple target tube

Heat pipe material 

All glass

Temperature tolerance 

 from  -60 °C   to 300 °C

Tube quantity

10/16/18 / 20 /24 /  / 30 / 36/42 tubes

Tank capacity

80L/100L/ 130L / 150L/ 165L / 200L /  250L / 300L/ 350L

 Number of persons

 3-12