Solar vacuum tube (three target )

Solar vacuum tube:, .Competitive price and good quality, .Certification:CE,ISO9001, .5-15 years warranty - more info check here: http://www.sourcingappliances.com/Solar-vacuum-tube-three-target-11127300/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Place of Origin: Zhejiang, China Brand Name: Sunfull

Product Features:

Solar vacuum tube:

.Competitive price and good quality

.Certification:CE,ISO9001

.5-15 years warranty

Business Terms:

Port: shanghai

Minimum Order Quantity: 2000 Piece/Pieces

Supply Ability: 100000 Piece/Pieces per Month

Payment Terms: L/C,T/T,Western Union

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Specifications and Product Details:

Solar tube tec data:

Model	Three-target solar vacuum tube	Single-target vacuum tube
Structure	All-glass double-tube co-axial structure
Glass material	High borosilicate 3.3 glass
Diameter x length	47x1500mm,1.6mm thickness, inner tube diameter:37mm
	58x1800mm,1.6mm thicnkess, inner tube diameter:47mm
	70x2000mm,2.0mm thickness,inner tube diameter:58mm
Structure	Cu/SS-ALN(H)/SS-ALN(L)ALN	AL/AL-ALN(H)AL-ALN(L)/ALN
Sediment method	Three target magnetron sputtering plating	Single target magnetron sputtering plating
Specific absorption	93%-96%(AM1.5)	90%-93%(AM1.5)
Emission ratio	0.04-0.06(80C+-5C)	0.05-0.075(80C+-5C)
Vacuum tightness	<=5.0x10^-3Pa	<=5.0x10^-3Pa
Idle suning property parameters 260-300m².C/KW
Heat-loss coefficient	0.4-0.6W/(m².C)	0.6-0.7 W/(m².C)
Preeure-endure ability	0.6Mpa
Thermal expansion	3.3x10^-6K