Specifications :
Average Solar Absorbtance (ASTM)
a = 0.960 (95.5%)
Average thermal emittance (400C) e = 0.095 (9.5%)
Steel tube outer diameter 70 – 90 mm
Wall thickness 2.0 – 3.0 mm
Length (at 20C ambient temperature) 4.060 mm
Vacuum Residual gas pressure = 10-4 mbar
Glass envelop Borosilicate glass
Outer diameter 125 – 145 mm
Antireflective coating = 95.0% of aperture length
Average solar transmittance t = 0.970 (97%)
HTF Water
Operating pressure = 30 bar
Operating temperature = 400C
Concentration ratio C less than 100
Please provide a quotation to the following requirement from importer -
Product Name: Solar Heaters
Specifications:
Type: Solar Water Heater
Heating System: Thermosyphon (Passive)
Usage: Home, House, Project, Swimming Pool
Solar Collector: Vacuum Tube 58*1800 or 47*1500
Coating Of The Tube: SS-CU-AIN/ALN
Tube Material: High Borosilicate Glass
Material Of The Inner Tank: sus304-2B Imported Food Grade Stainless Steel
Insulation: Polyurethane Foam
Material Of Outer Tank: Galvanized Steel Alloy Or Stainless Steel
Frame: Galvanized Steel Alloy Or Stainless Steel Or Aluminum Alloy
Heat Preservation:72-80 Hours
Electrical Heating:1.5-3KW
Specifications :
Type: Solar Water Heater
Heating System: Thermosyphon (Passive)
Usage: Home, House, Project, Swimming Pool
Solar Collector: Vacuum Tube 58*1800 or 47*1500
Coating Of The Tube: SS-CU-AIN/ALN
Tube Material: High Borosilicate Glass
Material Of The Inner Tank: SUS304-2B Imported Food Grade Stainless Steel
Insulation: Polyurethane Foam
Material Of Outer Tank: Galvanized Steel Alloy Or Stainless Steel
Frame: Galvanized Steel Alloy Or Stainless Steel Or Aluminum Alloy
Heat Preservation: 72-80 Hours
Electrical Heating: 1.5-3KW