 The direct-plug solar water heater uses glass vacuum tube and Water through vacuum tube.This kind of heater features simple and compact structure,excellent heating performance,low price and convenient installation. |
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技术参数表 technical data table
产品型号 Model type φ47ⅹ1.5m φ58ⅹ1.8m φ70ⅹ1.6m
外管直径 outside-tube diameter φ47 φ58 φ70ⅹ1.6m
内管直径 inner-tube diameter φ37 φ47 φ58
壁厚 wall thickness 1.6mm 1.6mm 2mm
长度 length 1.5mm 1.8mm 1.6mm
外管透射率 outside-tube diaphaneity 0.92 0.92 0.92
选择性吸收涂层 selective absorbing coating AL/N/AL AL/N/AL AL-ALNAL
吸收率 absorbing coefficient 0.93 0.93 0.93
发射率 reflective coefficient 0.06 0.06 0.06
真空度 cacuum degree p≦5×10 ²Pa p≦5×10 ²Pa p≦5×10 ²Pa
焖晒温度 the hightest temperature 250 250 250
抗冰雹能力 anti-impact capability 25mm 25mm 25mm
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