Now, electric heat tracing has become a common way of pipe insulation and heat tracing. However, for first-time contacts, how to determine the length of an electric heat trace can be a problem.
First of all, we need to clarify the role of electric heat tracing. Electric heat tracing is mainly used for heat preservation and heat tracing of pipelines to prevent the freezing and condensation of the medium in the pipeline due to the equipment not meeting the requirements of the ambient temperature. It converts electrical energy into heat energy to provide a continuous heat source for pipes, tanks, pumps, valves, and other equipment. Therefore, the length of the electric heat trace should match the length of the pipe.
According to practical application experience, under normal circumstances, the length of the electric heat trace that needs to be wound in one meter of pipe is 1About 5 meters. This length of electric heat trace can adequately supply heat to the pipes without causing them to overheat. Of course, this is only a rough reference value, and it needs to be adjusted according to the specific situation in practical application.
In addition, we also need to pay attention to factors such as the power of the electric heat trace and the material and diameter of the pipe. If the pipe diameter is larger or the material is less thermally conductive, more electrical heat tracing may be required, at which point 1:1The winding ratio of 5 is not suitable, and the specific situation still needs to be analyzed.
In addition, at the two-way and three-way fittings, the length of 50cm should also be reserved at each end of the electric heat tracing;The first power supply point and the tail end of the circuit should also reserve part of the electric heat tracing;If there are valves and other equipment, it is also necessary to reserve an electric heat trace for the valve. Therefore, when choosing an electric heat tracing, we need to consider various factors comprehensively to ensure that it can meet the actual needs, if it is not clear, you can ask the professional engineering construction personnel of the manufacturer.