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Drain pipe heater flexible heater silicone rubber heater

Drain pipe heater flexible heater silicone rubber heater

 Drain pipe heater flexible heater silicone rubber heater

Application Field for Silicon Rubber Drain Pipe Heaters


After the air cooler operates for some time, its blade will freeze, at the time, the antifreezing heating wire can be used for defrosting to let molten water discharge out of the refrigerator through the drain pipe.

As the front end of the drain pipe is installed in the refrigerator, defrosted water is frozen under 0°C to block the drain pipe, and heating wire is needed to install to ensure that defrosted water doesn't freeze in the drain pipe. The heating wire is installed in the drain pipe to defrost and heat the pipe at the same time to let water exhaust smoothly.


Characteristics for Silicon Rubber Drain Pipe Heaters

  • Complete water-proof design
  • Double-layer insulator
  • Mould pressing knot, flexibility
  • Silicon rubber insulator applicable scope: -60°C to +200°C


Technical Parameters of  defrost drain pipe heater

Heating Body NiCr or Cu-Ni Alloy Length/M 40W/M 50W/M
Tail End of Heating Body Seal Tail End of Colloidal Silica 1 40W 50W
Maximum Surface Temperature 200°C 1.3 52W 65W
Minimum Surface Temperature -60°C 1.5 60W 75W
Immergence Withstand Voltage AC2500V  V/min 2.0 80W 100W
Voltage 110-230v 3.0 120W 150W
Power ±5% 4.0 160W 200W
Shape Average7*5mm 5.0 200W 250W
Insulation Resistance ≥200MN 6.0 240W 300W


Generally, 50W/M drain pipe heating tape is rather common. When used for plastic drain pipe, the company recommends water pipe heating belt with output power of 40W/M.

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