three target coating solar vacuum tube - 47/1500,1600,1800.58/1600,1800,19...

three target coating solar vacuum tube, good quality and service, competive price, best quality testing, small order is accepted - more info check here: http://www.sourcingappliances.com/three-target-coating-solar-vacuum-tube-30144569/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Brand Name: chaoda/OEM Model Number: 47/1500,1600,1800.58/1600,1800,19... glass material: Borosilicate glass 3.3 color: blue.black,purple gold,as your request application: solar water heater thickness: 1.6-2.0 solar absorbing rate: 94% authentication system: CE.ISO

Product Features:

three target coating solar vacuum tube

good quality and service

competive price

best quality testing

small order is accepted

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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Specifications and Product Details:

solar vacuum tube

Structure		All-glass double-tube co-axial structure
Glass material		High borosilicate 3.3 glass
External pipe diameter and thickness		Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mm Φ=70±0.7mm &=2.0mm
Internal pipe diameter and thickness		Φ=37±0.7mm &=1.6mm Φ=47±0.7mm &=1.6mm Φ=58±0.7mm &=1.6mm
Pipe length		500mm 850mm 1200mm 1500mm 1600mm 1700mm 1800mm 1900mm 2000mm 2100mm
Absorptive coating property	Structure	AL/AL-ALN(H)/AL-ALN(L)/ALN
	Sediment method	Single target magnetron sputtering plating
	Specific absorption	0.90~0.93(AM1.5)
	Emission ratio	0.05~0.075(80°C±5°C)
Vacuum tightness		5.0×10^-3Pa
Idle sunning property parameters		220~260 m².°C /KW
Solar irradiation for obtaining a preset water temperature	H≤4.7MJ m²(Φ58)	H=4.1~4.4 MJ/ m²
	H≤3.7MJ/ m²(Φ47)	H=3.1~3.4 MJ/ m²
Average heat loss coefficient		0.6~0.7W/(m².°C)
Resistant Hail		25mm
Life aged		15 years