solar vacuum tube
icy cao
Contact person
Basic Information
| Place of Origin | Zhejiang China (Mainland) |
|---|---|
| Brand Name | haining jiachen |
| Model Number | Normal all glass vacuum tube |
Normal all glass vacuum tube Specification:StructureAll-glass double-tube co-axial structureGlass materialHigh borosilicate 3.3 glassExternal pipe diameter and thicknessdia.=47±0.7mm &=1.6mm dia.=58±0.7mm &=1.6mmdia.=70±0.7mm &=2.0mmInternal pipe diameter and thicknessdia.=37±0.7mm &=1.6mm dia.=47±0.7mm &=1.6mmdia.=58±0.7mm &=1.6mmPipe length1500mm 1600mm 1700mm 1800mm1900mm 2000mmAbsorptive coating propertyStructureAL/AL-ALN(H)/AL-ALN(L)/ALNSediment methodSingle target magnetron sputtering platingSpecific absorptionas=0.88 0.91(AM1.5)Emission ratio0.05 0.075(80°C±5°C)Vacuum tightnessP≤5.0×10-³PaIdle sunning property parametersY= 220 260m²°C/KWSolar irradiation for obtaining a preset water temperatureH≤4.7 MJ/ m²H=4.1 4.4 MJ/ m²H≤3.7 MJ/ m²H=3.1 3.4 MJ/ m²Average heat loss coefficientUlt=0.6 0.7W/( m².°C)
Delivery terms and packaging
Packaging Detail: standard packing Delivery Detail: 3-7 days after purchase order
Port: shanhai
Payment term
Letter of credit
Telegraphic transfer
Western Union
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Payment Methods
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