Fully Enclosed Double Vacuum Superconducting Tube

Fully ENCLOSED DOUBLE VACUUM TUBE SUPERCONDUCTING TUBE.Characteristics：Superconducting vacuum tube is with double glass vacuum tubes, which is specially designed for the hard water areas.1.Anti-freezing;2.High Performance;3.Being used easily;4.No scale deposit in the tube;5.Available for the cold weather area;6.Still can work, even one tube is broken;7.Can be feed cold water at anytime, no explosion;8.Widely applicable range;9.Utilizing the medium inside the tube to transfer the heat.Technical Parameters:Tube structureAll-glass double deck co-axial structureGlass materialHigh Borosilicate 3.3 glassOuter tube diameter and glass thicknessφ47±0.7mm; Glass thickness 1.6±0.15mmφ58±0.7mm; Glass thickness 1.6±0.15mmφ70±0.7mm; Glass thickness 1.6±0.15mmInner tube diameter and glass thicknessφ37±0.7mm; Glass thickness 1.6±0.15mmφ47±0.7mm; Glass thickness 1.6±0.15mmφ58±0.7mm; Glass thickness 1.6±0.15mmTube length800mm, 1200mm, 1500mm, 1600mm, 1800mm, 1900mm, 2000mm, 2100mm, etcAbsorption coating propertyCoating materialCU/SS-ALN(H)/SS-ALN(L)/ALNSediment methodThree target magnetron spattering plationAbsorptive ratioa=0.92-0.96(AM1.5)Emission ratioe=0.04-0.06 (80℃±5℃)Vacuum degreeP≤5.0x10-3 （PA）Stagnation temperature (temperature inside of empty evacuated tubes260-350℃Average heat lossULT0.4-0.6W/（㎡*℃）Hail resistanceφ30mmPressure-endure1Mpa