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China Top Quality of Solar Water Heating System (135Liter)


Solar Water Heater details:

Model:FD-NPB58-15

 

How solar water heater works
1.Solar water heater of all glass evacuated tube collector integrated with storage tank, are ideal for use in houses and other applications where cheap, reliable hot water supply is required. They are simple, economic and practical.
2. As the specific gravities of hot water and cold water are different, cold water goes downward and hot water goes upward.
3. When cold water in evacuated tubes is heated, it becomes lighter and goes to the water tank, while cold water in the tank goes down to the evacuated tubes
4. Through this circulation, the cold water in the water tank will be gradually heated.

 

Solr water heating system features
1. Cheap and reliable solution, Simple structure, Easy installation
2. High efficiency
3. Withstands water pressure no more than 0.1MPa
4. Operated without any power supplying
5. Electric heater can be used as back up in rainy days
6. Hot water can be used directly, or can be used as a pre-heated

Solar water heater optional accessories
1. Controller
2. Electrical heater: 1.5/2/2.5kw

3.Magnesium anode

 

Solar water heater material specification:

Description

solar water heater

Material of out tank

Food grade 0.4mm SUS304/SUS202 stainless steel

Material of inner tank

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:

1.2mm thickness SUS201/SUS202/SUS304 stainless steel

Structure of tank:

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

Welding:

Argon arc welding

Fastening pieces:

Made of stainless steel screw

Absorber area

1.41m²

Tube quantity

15 tube  58x1800mm

Tank capacity

135L

Afford for house

3-4persons

 

 

 

 

 

 

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