Heat tracing

type TycoThermal into google

You mean to trace the heat generated by the electrical circuits/system?

If this what you mean. Used thermal imaging cameras.

Good luck!

Please be more specific!

are you planning to heat trace Fuel oil pipe or tank or any valve

You will get information from suppliers of instrumentation,control valve or a tank manufacturer.Suppliers of Fuel oil also can tell this.Bunker oil pipe normaly will have heat tracing to maintain fluidity in cold season or during night time.

If you need I can give you suppliers from India

You can get millions of hits for Heat Tracing in Google. The only rule is, heat tracing will maintain existing heat already in the line (make up for small ambient losses) but will not heat up a cold line. The energy is too low.

Years ago, I worked on a hot wax system that was electric heat traced and would heat the system from 70F to 280F. Heat trace can be specified to provide watts per lineal foot of pipe. And if needed you can run multiple lines to get the required heat rate.

http://www.tycothermal.com/usa/english/heat_tracing/

This site will tell you all you want to know . They make an excellent product. I use it to heat pipes carrying liquid fat, mollasses and fuel oil. It's not cheap but it is trouble free and safe and works very well.
I use it to heat our liquid fat lines to 100 degrees F and it has no problem doing this in the middle of winter when our temps often drop to below 0 degrees F. jack

Heat tracing on a piping system for process heat, or freeze protection. Its one or the other. Get in touch with Tyco Thermal Controls as suggested. They can heip you design a system.

Try Thermon Inc. I have used skin effect heat trace with great success on steel pipeline, even down to -30F. A bit better statement of the problem you are facing will help everyone here to help you.