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Solar vacuum tubes - Solar Water Heater Parts

Solar vacuum tubes, Competitive price and good quality, Certification:CE,ISO9001 - more info check here: //www.sourcingappliances.com/Solar-vacuum-tubes-10000367/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Shandong China (Mainland) Model Number: Solar Water Heater Parts

Product Features:

Solar vacuum tubes

Competitive price and good quality

Certification:CE,ISO9001

Business Terms:

Price Terms:FOB,CIF,EXW

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

Minimum Order: Negotiatable

Delivery Port: Customized

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Solar vacuum tubes
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Product Packagings & Delivery Terms:

Packaging Detail: carton

Delivery Detail: 10-20days

Specifications and Product Details:

Solar vacuum tubes

ModelThree-target solar vacuum tubeSingle-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

StructureCu/SS-ALN(H)/SS-ALN(L)ALNAL/AL-ALN(H)AL-ALN(L)/ALN
Sediment methodThree target magnetron sputtering platingSingle target magnetron sputtering plating
Specific absorption93%-96%(AM1.5)90%-93%(AM1.5)
Emission ratio0.04-0.06(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 coefficient0.4-0.6W/(m2.C)0.6-0.7 W/(m2.C)
Preeure-endure ability

0.6Mpa

Thermal expansion

3.3x10-6K

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