Description

Unpressurized solar water heater

Material of out tank

0.31-0.4mm thickness color steel/ fluorine carbon steel

Material of inner tank

Food grade 0.31-0.4mm thickness SUS304 stainless steel

Tank insulating layer

55mm 45kg/m³ high-density polyurethane foamed

Inlet and outlet hole

Male G 1/2, 3/4

Max pressure

0.05 Mpa

Solar collector tube

3.3 Borosilicate glass with N/Al coating

Thickness of glass tube

1.6mm

Vacuum tube tightness

P≤0.005 Pa

Absorption

as=0.93-0.96(AM1.5)

Emission ratio

εh=0.04-0.06(80C±5C)

Idle sunning property parameters

Y=220~260m2.C/KW

Average heat loss coefficient

ULT=0.6~0.7W/(m2.C)

Bracket:

1.5mm thickness Galvanized Steel

Structure of tank:

4 holes for air vent,overflow,water inlet and outlet,electric heater

Welding:

Argon arc welding

Fastening pieces:

Made of stainless steel screw

Absorber area

1.875 m²

Tube quantity

18 tube  58x1,800mm

Tank capacity

150L

Structure

All-Glass Double Tube Co-Axial Structure

Glass Material

High Borosilicate 3.3 Glass

External Pipe Diameter & Thickness

dia.=47±0.5mm  &=1.6mm,    dia.=58±0.5mm  &=1.6mm,

dia.=70±0.5mm  &=2.0mm,  

Internal Pipe

Diameter & Thickness

dia.=37±0.5mm  &=1.6mm,    dia.=47±0.5mm  &=1.6mm,

dia.=58±0.5mm  &=1.6mm,  

Pipe Length

1500mm, 1600mm, 1700mm, 1800mm, 1900mm, 2000mm

Absorptive Coating Property

Structure

Cu/SS-ALN(H)/SS-ALN(L)/ALN

Sediment Method

Three Layer Magnetron Sputtering Plating

Specific Absorption

as=0.92~0.96(AM1.5)

Emission Ratio

0.01~0.03(80°C±5°C)

Vacuum

P≤2.0×10-3Pa

Idle Sunning Property

Y= 260 ~ 300m²°C/KW

Solar Irradiation for Obtaining a Preset Water Temperature

H≤4.7 MJ/ m²(dia.58)

H=3.7~4.2 MJ/ m²

H≤3.7 MJ/ m²(dia.47)

H=2.9~3.2 MJ/ m²

Average Heat Loss Coefficient

Ult=0.4~0.6W/( m².°C)

Pressure-Endure Ability

0.6Mpa

Hail-Endure Ability

30mm

Lifetime

15years