Triple Layer Solar Vacuum Tubes 58*1800

Name: Triple Layer Solar Vacuum Tubes 58*1800
Brand: OEM
Availability: InStock

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US$ 1.5 - 2.5 / Piece

1000 Pieces(Min. Order)

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Product Details

triple layer solar vacuum tubes 58*1800

triple layer solar vacuum tubes
Item Name	Specification
Structure	All-glass double-tube co-axial structure
Glass material	High borosilicate 3.3 glass
External pipe diameter and thickness	dia.=47±0.7mm &=1.6mm dia.=58±0.7mm&=1.6mm dia.=70±0.7mm &=1.8mm
Internal pipe diameter and thickness	dia.=37±0.7mm &=1.6mm dia.=47±0.7mm &=1.6mm dia.=58±0.7mm &=1.6mm
Pipe length	1500mm 1600mm 1700mm 1800mm 1900mm 2000mm 2100mm
Absorptive coating property	Structure	Cu/SS-ALN(H)/SS-ALN(L)/ALN
	Sediment method	3 target magnertron sputtering plating
	Specific absorption	as=0.90~0.93(AM1.5)
	Emission ratio	0.05~0.075(80°C±5°C)
Vacuum tightness	P≤5.0×10-³Pa
Idle sunning property parameters	Y= 260 ~ 300m²°C/KW
Solar irradiation for obtaining a preset water temperature	H≤4.7 MJ/ m²(dia.58)	H=3.7~4.2 MJ/ m²
	H≤3.7 MJ/ m²(dia.47)	H=2.9~3.2 MJ/ m²
Average heat loss coefficient	Ult=0.4~0.6W/( m².°C)

Haining Xinlian Hardware Machinery Co., Ltd.: Contact nameZhu Jack
Chat Now; Phone86-573-87275086; AddressNo.5,Liancheng Road,Yanguan Town, Jiaxing, Zhejiang