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Item # HX-881-Series, Impedance Heating System



An Impedance Heating System is a unique, safe and proven method for electric pipeline tracing and heating. The pipe actually becomes the heating element when low AC voltage is applied to it by a special, custom designed transformer.

Heatrex can provide single source responsibility for design, hardware and start-up assistance for an Impedance Heating System to heat gasses or fluids flowing through your pipeline. It can also be used over a wide range of temperatures to prevent freezing in cold weather, maintain fluidity of viscous materials, raise the temperature of heat sensitive materials or maintain gas temperatures up to 1600°F.







Benefits and Advantages

Benefits

Benefits of Impedance Heating
  • Low Voltage Operation - All systems operate at less than 30 Volts, many at 10 Volts or below. Heatrex systems meet or exceed the requirements of the National Electrical Code (Article 427), assuring safe operation.
  • Uniform Heating - Because the entire pipe effectively acts as the heating element, heat is generated uniformly throughout its entire length and circumference without hot spots.
  • Simplicity - The impedance method takes the complexity out of pipeline heating. A few basic components comprise the entire heating system. Installation is simple; it can be installed without disturbing most of the existing thermal insulation.
  • Wide Temperature Range - Heatrex has pioneered the use of impedance heating for applications ranging from below freezing to 1600°F. It is often the only viable option for high temperature pipeline heating.
  • Close Control - Thermocouple sensors placed along the pipeline provide precise, uniform temperature control. Optional SCR controls give the ability to achieve control within ± 1°F.
  • Low Cost - Installation costs are kept to a minimum by the inherent simplicity of the system. Likewise, maintenance is virtually eliminated; many systems operate unattended. Energy costs are low because the required energy is concentrated in the pipe and efficiently heats the fluid or gas traveling through it.
  • No Burnouts - When the pipe becomes the heating element, burnouts and failures associated with electrical resistance tapes and cables are eliminated.

Advantages

Advantages Over Conventional Methods
  • No External Fluids - Pipeline heating with steam or high temperature fluids introduces a high degree of complexity and a potential hazard. Impedance heating accomplishes the same result in a simple, straightforward manner.
  • No Leaky Jackets - With impedance heating, you won’t have leaky steam lines, cracked steam traps, pump failures or frozen return pipes.
  • No Hot Spots - Impedance heating eliminates the danger of overheating temperature-sensitive materials (asphalt, chocolate, heavy syrups) because hot spots associated with conventional pipe tracing are eliminated.
  • No Routine Maintenance - Routine maintenance is eliminated, along with the replacement parts and production shutdowns associated with such maintenance.


 DOWNLOADS 

Impedance Heating Applications
(PDF, 1487KB)

Impedance Heating Engineering Application Guide
(PDF, 282KB)

Impedance Heating System Hardware
(PDF, 572KB)

Impedance Heating Principles of Operation
(PDF, 349KB)

Impedance Heating Data Sheet
(DOC, 610KB)

Impedance Heating Features & Benefits Guide
(PDF, 255KB)

Impedance Heating Specifications
(PDF, 36KB)

Impedance Heating System IOM
(PDF, 324KB)


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