Domestic Solar Water Heater sun water heater vacuum solar collector

1.15 years lifetime 2.high efficieny , resist hail and strong wind 3.Food material SUS304/2B 4.Low price Vacuum tube: Cercis SolarVacuum tube specification: Φ47×1.5m, Φ58×1.8m, Φ70×2.0mSteelInner tank: SUS304-2B for food grade stainless steelOuter tank: Stainless steel or galvanized steelHeat preservation: 50-70mm polyurethane wholly machinery compression form foamFrame: zinc plated steel,the interchange three piece structure of multipurpose bracketTank Diameter:460mm-500mm

1.Outer tank material:	Stainless steel 201/304
2.Inner tank material:	Food grade SUS 304 stainless steel
3.Tank insulating layer:	50/55mm high density polyurethane forming
4.Vaccume tube:	3.3Borasilicate glass with AL/N/AL selective coating;58*1800mm
5.Bracket:	stainless steel 201/202
6.Max pressure of tube	0.05Mpa
7.Vacuum tube tightness	P≤0.005Pa
8. Idle sunning property parameters	=220˜260m²°c/KW
9.structure of tank	5 holes:air vent/overflow hole/water inlet/water outlet/electric element hole)
10.Welding	Argon arc welding
11.heat preservation	72 hours
12.Certification	pass CE/ISO9001:2000
13.LOGO	OEM.silk screen pritn/sticker
14.Absorption	as=0.93-0.96(AM1.5)
15.Average heat loss coefficient	ULT=0.6˜0.7W(m²×°c)

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