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    Yancheng Yukai Electric Equipment Co.,Ltd.
    Address:268 Jiefang South Road, Yancheng City
    Telephone:0515-88406978/ 0515-83276077
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    Reasons for whether the heating tube can prolong the service life by lowering the voltage.
    2019-6-14 Reading times:[1190]
    Firstly, the voltage, power and resistance of the heating tube are related. Resistance = voltage * voltage / power. According to the formula, we know that the resistance value of the electric heating tube is fixed after it is made. So 220V*220V/3000W=16.1, when the power supply voltage is 120V, 120V*120V/16.1=894W. At this moment, we find that the power is three times smaller, which leads to lower surface load, lower surface temperature and less heat of the heating tube, thus the heating tube will not heat.
    Through the above, we know that reducing the voltage of the heating tube can not prolong the service life, but affect the normal use of the electric heating tube, thus shortening the service life of the electric heating tube.
    If you don't have a friend who knows something about the electric heating tube, you may think that reducing the voltage of the electric heating tube can save electricity or prolong the service life of the heating tube. In fact, this idea is wrong, our friends who customize electric heating tubes should all know that when customizing electric heating tubes, salesmen will ask: What is the rated voltage and working voltage of electric heating tubes, which is also the reason why the heating tubes can prolong their service life by lowering the voltage.
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