Evacuated Tube Triple Coating
Professional solar water heater manufaturer,Absorber coating TiNox,Tube coating:Cu-Ss-Al/N/Al
Port: Shanghai or Ningbo
Minimum Order Quantity: 100 Piece/Pieces
Supply Ability: 1800 Piece/Pieces per Day
Payment Terms: L/C,T/T
Contact SupplierPackaging Detail: Carton box
Delivery Detail: 7 working days for sample,15 working days for container
Evacuated Tube Triple Coating (ISO9001,CE)
The solar tube is made from borosilicate glass 3.3 and the structure of solar vacuum tubes is as same as the gallbladder of the pot, which is sealed with double glass and the double glass tube is pumped into a high-vacuum. The surface of inner glass is sprayed with selective coating through a special technology. The solar energy absorption rate can reach 94.5% by the usage of the selective coating, while the rate of thermal radiation below 5.5%. Vacuum tube absorbs solar energy, and then heats the water or liquid by heat conduction. The heat loss of liquid is very low through the high-vacuum between inner glass tubes and outside, its stagnation temperature is above 200 degrees. It is widely used in solar water heater, solar collector, and solar projects.
471500
Length(mm)500 ~ 22005mm (special specification per contract)
Weight(kg)1.730.12kg
Outer tube Dia.(mm)47(mm)0.6mm
Inner tube Dia. (mm)37(mm)0.6mm
Outer tube thickness(mm)1.6 0.15mms
Inner tube thickness(mm)1.6 0.15mm
581800
Length(mm)500 ~ 22005mm (special specification per contract)
Weight(kg)2.290.18kg
Outer tube Dia.(mm)58 (mm)0.6mm
Inner tube Dia. (mm)47(mm)0.6mm
Outer tube thickness(mm)1.6 0.15mm
Inner tube thickness(mm)1.6 0.15mm
Material High boron-silicon (specially hard) glass 3.3
Film structure Gradual change AL-H/AL selective absorbing coated
Sun absorption layers:0.92(AM=1.5) (international standard0.86)
Hemisphere emissivity:0.086 (80) (international stand0.09)
Empty solarization parameters: 186/KW(international standard175)
Cover tightly solarization amount: 3.6MJ/(international stand3.8)
Average heat loss coefficient: 0.86W/(international stand0.90)
Interlayer vacuum0.03 Pa (international stand0.90)
Heat shock resistance Under the 25 there is no damage after times by using above 90 hot water