Hydraulic Cylinder, Multi-Stage Cylinder manufacturer / supplier in China, offering Single Action Parker Hydraulic Cylinder for Crop Protection, 200L Compact Non-Pressure Solar Water Heater with Keymark Certificate, Multistage Parker Telescopic Hydraulic Cylinder for Trailer/Dump Truck and so on.
Min. Order / Reference FOB Price | |
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7100 Piece | US $1.50/ Piece |
Local Area: | Jinan, Shandong, China |
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R&D Capacity: | OEM, ODM, Other |
Payment Terms: | LC, T/T |
Condition: | New |
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Type: | Double Vacuum Heating Tube |
Certification: | API, ISO, CB, CCC |
Technical Data
All-glass evacuated solar collector tubes
Material
Borosilicate Glass 3.3
Timer & CounterAbsorption of SELECtIVE COATING
≥0.93 (AM1.5)
Emission of SELECtIVE COATING
≤0.06 (80°C±5°C)
Vacuum
<3x10-3 Pa
StagnatioPower Tools n Temperature
>200°C
Solar radiance exposure
≤3.6MJ/m2
Coefficient of Average Heat Loss
<0.80W/(m2°C)
Selective absorber coating
Aluminum nitrite
Maximum Strength
0.6Mpa
Technical Data
All-glass evacuated solar collector tubes
Outer Diameter
58mm
Inner Diameter
47mm
Tube Thickness
1.6+-0.1mm
Coating
ALN/ALN-SS-CU
Type
Non-pressure
Tube Life
15-20 Years
Warranty
5 Years
Application
Solar Water Heater
Package
5 layerscorrugated paper/three foam block/ 3 strapping; 10/12/15 tubes/carton