云南快乐十分一定牛彩票

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    70mm * 2100mm solar vacuum tube

    70mm * 2100mm solar vacuum tube
  • Category:
    Solar Vacuum Tube
  • Browse number:
    412
  • Release time:
    2019-04-19 09:33:46
  • INQUIRY

technical data:


model


58×1800


58x2100


47×1500


70×2100


structure


云南快乐十分一定牛彩票three goals


outer tube diameter


58±0.7 mm


58±0.7 mm


47±0.5 mm


70±0.7 mm


inner tube diameter


47±0.7 mm


47±0.7 mm


37±0.5 mm


47±0.7 mm


outer tube thickness


1.6 ± 0.15 mm


1.8±0.15 mm


1.6 ± 0.15 mm


云南快乐十分一定牛彩票2.0±0.15 mm


inner tube thickness


1.6 ± 0.15 mm


1.8±0.15 mm


1.6 ± 0.15 mm


1.8±0.15 mm


tube length


1800±5 mm


2100 ± 5 mm


1500±5 mm


2100 ± 5 mm


coating material


云南快乐十分一定牛彩票copper, aluminum, stainless steel


云南快乐十分一定牛彩票absorption rate


≥0.92


emissivity


≤0.06


vacuum


less than 5.2×10-4pa


云南快乐十分一定牛彩票outer tube transmittance


0.92


stagnation temperature (height)


270~300°c


heat loss coefficient


less than 0.5 w / (m2 * ° c)


carrying hail ability


云南快乐十分一定牛彩票30 mm steel ball, 450 mm high


pressure resistance


1mpa


20gp / 40gp / 40hq load


云南快乐十分一定牛彩票seven thousand three thousand four hundred eighty


2,480, 4,460


four thousand seven hundred and fifty thousand five hundred and fifty


three thousand eight hundred and sixty thousand one thousand eight hundred



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