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Heat Tracing

Heat Tracing
Heat Tracing
Heat tracing is a system used to maintain the temperature of pipes, vessels and surfaces.

In heat tracing, an electrical heating element is fitting in physical contact along a length of pipe or across a surface. Heat generated by the element maintains the temperature of the surface. Typically, the pipe or surface is covered with insulation to retain heat loss. A robust heat tracing system often includes a thermostat, monitor and controller so that end users can track and adjust the temperature of the heated surface

Heat tracing is commonly used to prevent pipes from freezing, to maintain the temperature and flow of transported substances, and heat floors, driveways and parking lots.

PLT Series Image
  • Designed for Connecting 1 to 3 Heating Cables
  • Pipe Sizes Range from .75 to 20 inches
  • Constructions Available in Braided Heater, Overjacketed Heater, Cable Entry, and Special Heater
  • Enclosures Rated NEMA 4X
  • UL Listed, CSA Certified and FM Approved
Nelson's PLT Series non-metallic connection kits are Factory Mutual, Underwriter's Laboratory and Canadian Standards Association approved for use in ordinary and Division 2 hazardous areas when used with approved. PLT series connection kits are approved for use with all Nelson LT, HLT and NC Series field-fabricated heating cables.
TH Series Image
  • Features a Die Cast Aluminum Enclosure
  • Includes a Stainless Steel Capillary
  • Internal Temperature Adjustment Calibration Accuracy of 3 Degrees Fahrenheit
  • Incorporates a 480 Volt and 22 Amp Single Pole Double Throw Switch (TH4X325: DPST)
  • UL Listed, FM (7325) and LCIE (7325) Approved, CSA Certified, and CE (4X325; 4X325-2) Marked
Nelson's TH Series thermostats provide affordable, mechanical on and off switching in response to the temperature sensed at the pipe. Thermostats THX325 and THX4x325-2 are suitable for use in ordinary and corrosive Locations. Thermostat TH7325 is suitable for use in hazardous locations.
TF Series Image
  • Features a Molded Fiberglass Polyester Enclosure
  • Includes a Copper Capillary
  • Internal Temperature Adjustment Calibration Accuracy of 4 Degrees Fahrenheit
  • Incorporates a Single Pole Single Throw Switch
  • UL Listed, CSA Certified and CE Marked
Nelson's TF Series thermostats are used for controlling heat tracing systems in ordinary locations. The capillary bulb should be mounted on the side of the pipe.
HLT Series Image
  • Available for both 120 and 240 Service VAC Applications
  • Power Densities from 3 to 20 Watts per Foot at 50 Degrees Fahrenheit
  • Features a Metal Braid with a Fluoropolymer Overjacket
  • Maintenance Temperatures up to 150 Degrees Fahrenheit
  • UL Listed, CSA Certified and FM Approved
Nelson's HLT Series self-regulating heating cable prevents freezing and maintains fluid temperature and flow over a wide range of operating temperatures up to 250 degrees Fahrenheit. The HLT series are suitable for facilities that use super heated steam to flush and clean pipes since they can withstand exposure to temperatures up to 375 degrees Fahrenheit.
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