Economical popular non pressure all glass solar evacuated tubes 58*1800mm 47*1800mm

Product Overview

Description

 New Design. New Product.                                            

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Economical popular non-pressure all glass solar evacuated tubes 58*1800mm 47*1800mm

 

 Special Features                                                                   

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1.the material tube is heavier 

2.the coating time is longer 

3.we have equipment imported from Germany to guarantee the quality

• Material: high borosilicate 3.3 glass.


• Structure: all-glass double-tube co-axial structure.


• Color: blue or purple golden.


• Size: 47mm×1500mm, 47mm×1800mm; 58mm×1500mm, 58mm×1800mm, 58mm×2000mm; 


• Thickness: 1.6mm/2.0mm.


• Warranty: 15 years.


• High absorptance: 93%~96%(AM1.5).


• Low emittance: 0.04~0.06(80°C±5°C).

 

 Specification                                                                          

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Name	Babysun Three-target all-glass Solar vacuum tube
Structure	All-glass double-tube co-axial structure
Glass material	High borosilicate glass 3.3
External Pipe Diameter & Thickness	Ø=47±0.7mm&=1.6mm, Ø=58±0.7mm&=1.6mm,
Internal Pipe Diameter & Thickness	Ø=37±0.7mm &=1.6mm,    Ø=47±0.7mm &=1.6mm,
Pipe Length	1500mm, 1800mm, 2100mm
Coating layers	Cu/SS-ALN (H)/SS-ALN (L)/ALN
Coating method	Three target magnetron sputtering plation
Thickness	1.6mm/1.8mm/2.0mm
Specific absorption	as=0.93~0.96(AM1.5)
Emission ratio	Σh=0.04~0.06(80°C±5°C)
Vacuum tightness	P≤5.0×10-3Pa
Idle Sunning Property Parameters	Y= 260 ~ 300m². °C/KW
Solar Radiation for Obtaining a Preset Water Temperature	H≤3.7 MJ/ m²(Ø47), H=2.9~3.2 MJ/ m²; H≤4.7 MJ/ m²(Ø58), H=3.7~4.2 MJ/ m².
Average Heat Loss Coefficient	ULT=0.4~0.6W/ (m². °C)
Pressure-Endure Ability	0.6Mpa
Hail resistance	Ø25mm/ Ø40mm
Lifetime	15 Years
Color	Blue or purple golden

 

 Application                                                                                

Low Pressure Solar Water Heater & Solar Collector.

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 Production Line                                                                       

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