Specifications

china patent
ating material SS-C/CU/AL
2.certificate CE ISO9001
3.OEM is available
4.16 years solar manufacturer

 

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-1500mm/1600mm/1800,
	58mm-1500mm/1600mm/1800mm/2000mm/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.