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evacuated solar tube 500mm length , 58mm diameter

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CHANGZHOU RAVEN NEW ENERGY TECHNOLOGY LTD

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evacuated solar tube 500mm length , 58mm diameter

Name: evacuated solar tube 500mm length 58mm diameter
Brand: RAVEN NEW ENERGY
Price: 2 USD

Wholesale evacuated solar tube 500mm length , 58mm diameter from china suppliers

Brand Name : RAVEN NEW ENERGY

Model Number : 58/500

Certification : CE

Place of Origin : CHINA

MOQ : 50pcs

Price : 2USD-5USD/PCS

Payment Terms : Western Union, T/T

Supply Ability : 200000PCS/ MONTH

Delivery Time : 10days

Packaging Details : carton

Name : solar vacuum tube

Model : 58/500

Material : high borosilicate glass 3.3, 1.6mm

Outer tube diameter : 58mm

Inner tube diameter : 47mm

Coating : three target , Cu/ALN-SS/ALN

Vacuum degree : 3.5x10-3Pa

Tube length : 500mm

Absorption rate : 93%

Emission rate : 4%

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Solar Vacuum tube 58/1800mm

Solar Vacuum Tube
Model		58*500
Outer Diameter/Length of Tube			φ58mm/500mm
Structure		All glass double tube co-axial
Glass material		High borosilicate 3.3 glass
Absorptive coating property	Material	Cu/SS-ALN(H)/SS-ALN(L)AlN
	Sediment method	3 high magnertron sputtering plation
	Specific absorption	As=0.93～0.96(AM1.5)
	Emission ratio	∑h=0.04～0.0.06(80°C±5°C)
Vacuum degree		P≤5×10-3Pa
Idle sunning property parameters		Y=200~300㎡.℃/KW
Solar irradiation for obtaining a preset water temperature		H≤4.7MJ/㎡(Φ58), H≤3.71~4.2MJ/㎡
Average heat loss coefficient		ULT=0.4~0.6W/(㎡.℃)
Loading Qty (piece)			20GP
			7500

Vacuum tubes assimliate the advanced 3 layers of sputtering deposition of trivalent element technology, high borosilicate glass, gradual change of ALN/ALN-SS/CU selective complex absorptive coating. And these make vacuum tubes have high performance of absorptance and low reflection ratio. Through the interlayer, vacuum has a unique effect of thermo, with its temperature up to 380 Celsius degree of ideal sunning, performing a strong heating ability.

evacuated solar tube 500mm length , 58mm diameter

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