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	hainingqirSolar Water Heater Co., Ltd.

Solar Collectors

[qrt-vacuum tube] [China]

Posted Date: July 31, 2009

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Description

Heat pipe series solar collector
Evacuated tubes convert solar energy into heat energy, that is transferred to U pipe by an aluminum fin with high solar energy absorption and low heat radiance loss, Liquid (anti freezing liquid or water) in the U pipe heats up, and the U pipe conducts thermal energy to the water inside the storage tank directly (or through internal copper coil), With a testing pressure of 1.2 MPa, Working pressure is 0.6MPa
1. Manifold outcasting material:Aluminum alloy
2. Evacuated tube: Three-target tube with the coating AL-N/AL-CU
3. Transfer pipe heat:heat pipe/U pipe copper
4. Header pipe P: copper
5. Insulating layer:Polyurethane foam: Aluminum alloy
Specification
Outer Diameter (MM) 47 ï¼�58
Length of Tube (MM) 1500, 1800,
Thickness of Tube (MM) 1.60ï¼�2.00
Selective absorbing surface: 3layers, aluminum-nitrogen-carbon (Al-N-C)
Material: Borosilicate glass 3.3
Color: Blue
Thermal Expansion: 3.3 multiply 10-6 / k
Maximum Strength: 0.6 Mpa
Absorption of Selective Coating: Above 95 percent
Emission of Selective Coating: Below 5 percent
Stagnation Temperature: Above200m2 degree / KW
Solar Irradiation for Water Temperature Rise below 3.0mj / m2
Coefficient of Average Heat Loss below 0.70w / (m2 degree)
Vacuum above 3.0 multiply 10-2Pa (anti heat loose)

Other Information

Location:	China
Minimum Order:
Price for Minimum Order:
	(This price is only for minimum order, for large quantities, please contact)

Sample Available:	YES
Price for Sample:
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Related Categories:	Solar, Recycling Energy, Water Heater,
Related Products:	vacuum tube, solar collector »

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hainingqirSolar Water Heater Co., Ltd.

Solar Collectors