Electric Tracing

heat tracing system

Heat tracing is used to prevent heat loss from process fluids being transported in process fluid pipes, when there is risk of damage to piping, or interference with operation such as fouling or blockage, caused by the congealing, increase in viscosity, or separation of components, in the fluid below certain temperatures, or when there is risk of formation of corrosive substances or water due to condensation in corrosive services.

This prevention of heat loss is accomplished by employing electrical tracing, or Steam tracing, and insulating both the process fluid pipe and the tracer together, using appropriate insulation materials & metal lagging is vital on any application, in an attempt to reduce heat loss from the pipe and tracer to their surroundings. The demands placed on heat tracing systems vary based on the design parameters specific to each application. To meet these needs, Straight Line Industrial Services, Inc. uses Thermon® manufacturer as its supplier who has the widest variety of electric heating cables and controls systems in the world.

Controlling an electric tracing circuit can be as simple as a mechanical thermostat. Frequently, more sophisticated control monitoring requirements are necessary. Whether it’s a mechanical thermostat or a microprocessor-based control and monitoring system, Straight Line Industrial Services can handle the need.   [More Details...]

Steam Tracing

heat tracing system

Steam tracing is described by attaching a tubing (Copper or Stainless) containing saturated steam, also known as the "tracer", parallel to the process fluid pipe. The two pipes are then also insulated together with the specified insulation and jacketed. Steam tracing is more labor intensive to install than electrical heat tracing, but there are very few risks associated with it.

The temperature of the tracer also cannot exceed the maximum saturation temperature of the steam, as it operates at specific steam pressures. Steam Tracing may be done in one of two ways. Bare steam tracing is the most popular choice as it is fairly easily installed and maintained and it is ideally suited to lower temperature requirements. It is simply composed of a half inch or three quarters of an inch tubing (Copper or Stainless) attached to the process fluid pipe by straps and both pipes are then insulated together.The other available option is to make use of cemented steam tracing, during which heat conductive cement is placed around the steam tracer running parallel to the process fluid pipe in an attempt to increase the contact area available for heat transfer, between the tracer and the process fluid pipe.   [More Details...]

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