Evacuated Tube Solar Heater, all glass twin tube Co-axical Structure
Port: Shanghai or Ningbo
Minimum Order Quantity: 2 Piece/Pieces
Supply Ability: 200000 Piece/Pieces per Month
Payment Terms: L/C,T/T,Western Union,Paypal
Contact SupplierPackaging Detail: Wooden Cartons
Delivery Detail: 7-10days after received deposits or original L/C
Evacuated Tube Solar Heater
Description:
Standard vacuum tube : Vacuum tube:
3.3high borosilicate glass
the absorption rate is 0.90-0.93 (AM1.5)
the emission rate is 0.05-0.075 (80°C±5°C)
vacuum tightness is P≤5.0*0.0001Pa
idle sunning property parameters is Y=220-260m2.°C/KW
the average heat loss coefficient is Ult=0.6-0.7W(m2.°C)
Standard Vacuum Tube | ||
Single target all glass vacuum tube property and specifications | ||
Structure | All Glass twin tube Co-axical Structure | |
Glass Material | High borocillicate 3.3 Glass | |
External Pipe Diameter and thickness | Ø =58mm±0.7mm & thickness=1.6mm | |
Internal Pipe Diameter and thickness | Ø =47mm±0.7mm & thickness=1.6mm | |
Pipe Length | 1500mm, 1800mm | |
Absorptive Coating Property | Structure | AL/AL-ALN(H)/AL-ALN(L)/ALN |
Sediment Method | Single target magnertron sputtering plating | |
Specific Absorption | as=0.90~0.93(AM1.5) | |
Emmision Ratio | h= 0.05~0.075 (80°C±5°C) | |
Vaccum tightness | P≤5.0×10-3(Pa) | |
Iddle Shining Property Parameters | Y=220~260m2·°C/KW | |
Solar Irradiation for obtaining a preset water temperature | H≤4.7MJ/m2(Ø =58mm) | H=4.1~4.4MJ/m2 |
H≤3.7MJ/m2(Ø =47mm) | H=3.1~3.4MJ/m2 | |
Average Heat Loss Coefficiency | ULT=0.6~0.7W/(m2·°C) |