Alutal Measure & Trust

Self-Regulating Medium Temperature

Chromalox SRM/E self-regulating heating cable provides safe, reliable heat tracing for process temperature maintenance and freeze protection of pipes, valves, tanks and similar applications. Constructed of industrial grade 16 AWG buss wire with metal braid and optional overjacketing, SRM/E ensures operating integrity in most hostile industrial environments. The 420°F (215°C) maximum exposure temperature rating allows steam cleaning of process equipment with up to 300 psig steam.

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The product

  • Self-Regulating, Energy Efficient
  • 16 AWG Buss Wire
  • Circuit Lengths to 750 Feet
  • Process Temperature Maintenance to 302°F (150°C)
  • Maximum Continuous Exposure Temperature, Power Off, 420°F (215°C)
  • Industrial Process Maintenance Applications
  • Industrial Freeze Protection Applications
  • Single or Dual Monitor Wires Available
  • Steam Cleanable on Process Equipment Up to 300 PSIG
  • 5, 8, 10, 15 and 20 W/Ft.
  • 120 and 208 – 277 Volt From Stock
  • Approximate Size .47 in. W x .20 in. H
  • Minimum Bend Radius 1-1/8 in.
  • For Use on Metallic Pipes Only
  • Factory Mutual (FM) Approved, UL Listed, and CSA certified for ordinary areas.
  • ATEX, IECEx, FM, and CSA Approved for hazardous (classified) areas when used with U Series, HL, DL, and EL accessories.


  • Energy efficient, self-regulating SRM/E uses less energy when less heat is required.
  • Easy to install, SRM/E can be cut to any length (up to max. circuit length) in the field.
  • Field splices can be performed easily in minutes with no scrap or wasted cold sections.
  • With lower installed cost than steam tracing, SRM/E features less maintenance expense and downtime.
  • SRM/E can be overlapped without burnout, which simplifies heat tracing of in-line process equipment such as valves, elbows and pumps.
  • Because SRM/E is self-regulating, overtemperature conditions are minimized.
  • Chromalox termination, splice, tee and end seal kits reduce installation time.

SRM/E Heat Trace Cable Applications

  • Freeze Protection
  • Freeze Protection, High Exposure Temperature
  • Process Maintenance, Low Temperature
  • Process Maintenance, High Temperature

Features of SRM/E Cable

Max. Maintenance Temp. (°F) 302
Max. Exposure Temp. (°F) Power Off 420
Max. W/Ft. 20
Max. Circuit Length (Ft.) 750
Buss Wire Size 16
Voltages 120, 208-277
Hazardous Ratings Yes
Usable on Plastic Pipe No
Cut-to-Length in Field Yes
Field Splicable Yes
Can be Overlapped Yes
Output Varies with Temp. No
Varies Output Along Length No
Accessories DL/EL/U
Monitor Wire Available Contact Factory
SRM/E Corrosion Selection Guide

Moisture C, CT
Aqueous Solutions of Inorganic Compounds CT
Liquids Organic Chemicals Acids or Bases CT
Acids or Bases CT

C – Tin-Plated copper metallic braid for additional protection and ground path
– Fluoropolymer corrosion resistant overjacket over braid for hostile/corrosive environments
– TPR overjacket over braid for protection against certain inorganic chemical solutions

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ISO 9001

Certificada desde 2006


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