Constant Wattage heating cables (ATEX approved) can be conveniently cut-to-length, and do not regulate, they have the same output irrespective of pipe or surface temperature. 

We can produce constant wattage heating cables within the following ranges: 

• 12-1000 Volts 
• Up to 500°C (932°F) withstand temperature
• Up to 220 W/m of output