Chaoda solar vacuum tubes with heat pipe

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USD $1.45 - $2.1 / Piece

100 Pieces(Min.Order)

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Product Details

Place of Origin	Zhejiang, China		Brand Name	Chaoda/OEM
Model Number	58*1800

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Vacuum tube size	Φ581800mm / Φ471800mm
Vacuum tube material	High borosilicate glass 3.3
Selective coating	Cu/SS-ALN(H)/SS-ALN(L)/ALN
Heat pipe diameter	Condenser Φ14/ 24mm, body Φ8mm
Heat pipe material	TU1 copper
Heat conductor	Aluminum wrapping
Tube sealing material	Silicon plug with stainless plate
Vacuum degree	≤4*10-3Pa
Absorption coefficient	≥90%
Emission coefficient	≤7.5%
Heat transfer efficiency	≥ 95%
Heat transfer coefficient	(1.6~2)*104 w/m.k
Heat transfer power	150 - 180W
Heat resistance	0.01 - 0.02°C/W
Isotherm	≤ 2 °C
Start up temperature	≤ 25°C
Start up rate	30 s
Heat conducting wise	from liquid to gas and corpuscles
Working temperature	(-) 40 ~ 260°C
Axial thermal conductivity	27.2 MW/M2
Radial thermal conductivity	145 KW/M
Equivalent heat conductivity	6000-15000 times
Working angle	15 ~90°
Hail resistance	Φ25mm
Duration of element	≥ 15 years

Haining Chaoda Solar Collector Tubes Co., Ltd.: Contact nameTony Liao
Chat Now; Phone86-573-87859001; AddressYuanhua Industry Zone, Jiaxing, Zhejiang

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