Chromalox SRP self-regulating heating cable provides safe, reliable heat tracing for process maintenance applications to 230°F (110°C) or freeze protection of pipes / tank with high heat losses. Constructed of industrial grade 16 AWG buss wire with a tinned copper braid and optional overjacketing, SRP ensures operating integrity most hostile industrial environments..
WARNING — A ground fault protection device
is required by NEC to minimize the danger of
fire if the heating cable is damaged or improperly
installed. A minimum trip level of 30mA is
recommended to minimize nuisance tripping.
Features
- Energy efficient, self-regulating SRP uses less energy when less heat is required.
- Easy to install, SRP can be cut to any length (up to max circuit length) in the field.
- SRP features lower installed cost than steam tracing, less maintenance expense and less down time.
- SRP can be single overlapped without burnout, which simplifies heat tracing of in-line process equipment such as valves, elbows and pumps.
- Because SRP is self-regulating, over-temperature conditions are minimized.
- Chromalox U-Series Connection Kits reduce installation time.
Approvals
Factory Mutual (FM) approved for ordinary areas. FM approved for hazardous (classified) areas when used with U Series and DL accessories
FM Approval:
- Class I, Division 2, Groups B, C, D (Gases, vapors)
- Class II, Divisions 1*&2, Groups F, G (Combustible dust)
- Class III, Division 2 (Easily ignitable fibers and fillings)
- Class I, Zone 1, AEx e II
- 3,5,8 and 10 Watt Rated T4 Temperature Class
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Proofing
- Freeze Protection
- Freeze Protection, High Exposure Temperature
- Process Maintenance, Low Temperature
- Process Maintenance, High Temperature
Features of SRP Cable |
Max. Maintenance Temp. (°F) |
225 |
Max. Exposure Temp. (°F) Power Off |
275 |
Max. W/Ft. |
15 |
Max. Circuit Length (Ft.) |
55-750 |
Buss Wire Size |
16 |
Voltages |
120, 208-270 |
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. |
Yes |
Varies Output Along Length |
Yes |
Accessories |
D/UL |
Monitor Wire Available |
Yes |
SRP 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
CT - Fluoropolymer corrosion resistant overjacket over braid for hostile/corrosive environments
This is a recommendation guide. Chromalox cannot warrant any Electric Heat Trace against failure by sheath degradation if such failure
is the result of operating conditions beyond the control of the heater manufacturer. It is the responsibility of the purchaser to make the
ultimate choice of sheath material based on knowledge of the chemical composition of the corrosive solution, character of materials
entering the solution, and controls which maintains the process.