Water Heater Switch

Glass material

High borosilicate 3.3 glass

External pipe diameter and thickness

dia.=47±0.7mm  &=1.6mm    dia.=58±0.7mm  &=1.6mm

dia.=70±0.7mm  &=2.0mm   

Internal pipe diameter and thickness

dia.=37±0.7mm  &=1.6mm    dia.=47±0.7mm  &=1.6mm

dia.=58±0.7mm  &=1.6mm   

Pipe length 

1500mm 1600mm 1700mm  1800mm1900mm 2000mm 

Absorptive coating property

Structure

AL/AL-ALN(H)/AL-ALN(L)/ALN

Sediment method

Single target magnetron sputtering plating

Specific absorption

as=0.88~0.91(AM1.5)

Emission ratio

0.05~0.075(80°C±5°C)

Vacuum tightness

P≤5.0×10-³Pa

Idle sunning property parameters

Y= 220 ~ 260m²°C/KW

Solar irradiation for obtaining a preset water temperature

H≤4.7 MJ/ m²

H=4.1~4.4 MJ/ m²

H≤3.7 MJ/ m²

H=3.1~3.4 MJ/ m²

Average heat loss coefficient

Ult=0.6~0.7W/( m².°C)