Haoguang three cavity vacuum heat collecting tube - Three cavity vacuum heat collecti...

1)material:borosilicate 3.3 glass, 2)Strong heat collection;, 3)low emission, 4)Long life, Min. order:1000 pieces - more info check here: http://www.sourcingappliances.com/Haoguang-three-cavity-vacuum-heat-collecting-tube-11074402/

Quick Brief

Type: Solar Water Heater Parts Place of Origin: Zhejiang China (Mainland) Brand Name: Haoguang Model Number: Three cavity vacuum heat collecti... Coating layer: 12

Product Features:

1)material:borosilicate 3.3 glass

2)Strong heat collection;

3)low emission

4)Long life

Min. order:1000 pieces

Business Terms:

Port: Shanghai/Ningbo

Minimum Order Quantity: 1000 Piece/Pieces

Supply Ability: 300000 Piece/Pieces per Year

Payment Terms: L/C,T/T

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Haoguang three cavity vacuum heat collecting tube

Specifications and Product Details:

The three cavity vacuum heat collecting property and specification is as follows

Structure		All-glass concentric dual tube geomer
Glass material		Borosilicate glass
Outer tube diameter and thickness		Φ=47±0.7mm & =1.5mm Φ=58±0.7mm & =2mm Φ=70±0.7mm & =2mm
Inter tube diameter and thickness		Φ=37±0.7mm & =1.5mm Φ=47±0.7mm & =1.6mm Φ=58±0.7mm & =1.6mm
Tube Length		1200(±5mm)1500(±5mm) 1700-1800(±5mm) 2000(±5mm)
Absorbing coating properties	Configulation	1200(±5mm) 1500(±5mm) 1700-1800(±5mm) 2000( ±5mm)
	Method to deposition	Graded A1-N/A1 solar selectuve absorbing coating
	absorptance	as 0.88-0.93
	Emittance	Σn:-.08-0.04
Vacuum		p ≤ 2 × 10^-3
Stagnation parameter		250M²C/KW
Solar radiance exposure for obtaining a preset water temperature		2.8MJ/M²
Average heat loss coefficient		0.8W(M²C)
Lifetime		15years