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Stainless steel  solar water heater

Material of out tank

Food grade 0.31-0.4mm  SUS304/SUS202 stainless steel

Material of inner tank

0.31-04mm 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

ε h=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:

1.2mm thickness SUS201/SUS202/SUS304 stainless 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

2.249m²

Tube quantity

24  tube      58x1, 800mm

Tank capacity

200-240L

Assistant tank

20L