Jiaxing Damei Sunshine New Energy Technology Co., Ltd.
Main products:Solar water heater,storage tanks,vacuum tube,solar energy projects,solar collector,solar panels,solar hot water heaters,heat pipe solar collector,non pressure solar water heater,low pressure solar water heater
Products
Contact Us
  • Contact Person : Mr. fan hongxiang
  • Company Name : Jiaxing Damei Sunshine New Energy Technology Co., Ltd.
  • Tel : 0086-0573-87870505
  • Fax : 0086-0573-87863178
  • Address : Zhejiang,haining,yuanhua town
  • Country/Region : China
  • Zip : 314416

2012 hot New solar vacuum tube

2012 hot New solar vacuum tube
Product Detailed
58mm/1800mm solar vacuum tube: 1.fast thermal collecting efficiency 2.high heat resistance 3.high cold resistance

58mm/1800mm Solar vacuum tube:

Three-target all-glass vacuum heat collection tube property and specification

Structure

All-glass double-tube co-axial structure

Glass material

High borosilicate 3.3 glass

External pipe diameter and thickness

Φ=58±0.7mm &=1.6mm

Internal pipe diameter and thickness

Φ=47±0.7mm &=1.6mm

Pipe length

1800mm

Absorptive coating property

Structure

Cu/SS-ALN(H)/SS-ALN(L)/ALN

Sediment method

3 target magnetron sputtering plating

Specific absorption

0.93~0.96(AM1.5)

Emission ratio

0.04~0.06(80°C±5°C)

Vacuum tightness

5.0×10-3Pa

Idle sunning property parameters

260~300m².°C /KW

Solar irradiation for obtaining a preset water temperature

H≤4.7MJ/ m²(Φ58)

H=3.7~4.2MJ/ m²

H≤3.7MJ/ m²(Φ47)

H=2.9~3.2MJ/ m²

Average heat loss coefficient

0.4~0.6W/(m².°C)

Resistant Hail

25mm

Life aged

15 years

the high efficient tube is red inside, better than the traditional tube which is black

2012 hot New solar vacuum tube



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