china patented double-vacuum all-glass 58x1800 Solar Collector

Specifications

1.high effective low price with heat pipe
2.certificate CE china patent
3.OEM is available
4.19 years solar manufacture

 

Specification
Structure	All glass double concentric tubes
Material	Borosilicate glass 3.3
Outer tube diameter	Φ47±0.7.mm  &=1.6mm
Inner tube diameter	Φ58±0.7.mm  &=1.6mm
Length	47mm-1500/1600/1800mm
	58mm-1500/1600/1800/2000/2100mm
Coating	SS-C/Cu
Absorption rate after evacuating(AM1.5)	α= 0.88–0.90
Emission rate after evacuating(AM1.5)	ε= 0.04–0.06(80°C±5°C)
Vacuum degree	P≤5.0×10­¯³Pa
Average heat loss conficient	ULT = 0.4-0.6w(m².°c)
Max stagnation temperature	260°C-300°C
(temperature inside of empty vacuum tube)
Pressure	0.6MPa
Impact Resistance	Φ≤25mm

Water tank inner cylinder: thickened SUS304 stainless inner cylinder, diameter Φ360mm, thickness δ=0.31mm

Water tank outer cylinder: white pearl board, diameter Φ470mm, thicknessδ=0.32mm

Insulated layer: adopting full-automatic constant temperature quantitative foaming process to manufacture the insulated layer(55 to 60mm), subjected to high-temperature curing treatment, compact and uniform cells, high thermal insulation effect

Bracket: red, hot-dipping zinc galvanized plate, adopting anti-corrosive treatment process to guarantee the tightness and anti-corrosion of the bracket, high bearing and windproof properties, long service life which is as long as more than ten years

Vacuum tube: Φ58*1,800mm double-vacuum solar collector tube, the product is a high-tech product with proprietary intellectual property rights, manufactured by the company (the patent No. 99221421.1), and has the characteristics of high-temperature resistance, anti-freezing, high heat efficiency, long service life, no leakage of water in the tube, scaling resistance, no tube explosion, no water leakage, aging resistance, high efficiency, vacuum super heat conduction, one-way heat transfer, etc.

 

 

Advantage:

 

1.china patented, -60degree centigrade without broken.

2.certificate CE ,famous brand. ISO9001:2008 certificate.
3.OEM is available, fast delivery, all details can be changed according customer required.
4.19years professional solar manufacturer, pressured type.