Self-Regulating Process Temperature

SRP

Self-Regulating Process Temperature

Self- Regulating, Energy Efficient
16 AWG Buss Wire
Circuit Lengths to 750 ft.
Process Temperature Maintenance to 230°F (110°C)
Maximum Continuous Exposure Temperature, Power Off, 275°F (135°C)
Available in 5, 10, and 15 Watts per Foot
120 and 208-277 Volts Available from Stock
Industrial Process Maintenance Applications
Approximate Size .47 in. W x .20 in. H
Min. Bend Radius 1-1/8 in.
For use on Metallic Pipes
Consult Factory for use on Plastic Piping
Factory Mutual (FM) approved for ordinary areas.
FM, ATEX and IECEx approved for hazardous (classified) areas when used with U Series and DL accessories.
Literature
• SRP Catalog Page
• DL Accessories Catalog Page
• U Series Accessories Catalog Page

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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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.

ChromaTrace Design Software

Select Parameters

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Select a Part

Part #	Description
387188	SRP 5-1CT 120V 5W/FT	Buy Now
387225	SRP 5-2CT 240V 5W/FT	Buy Now
387129	SRP 10-1CT 120V 10W/FT	Buy Now
387196	SRP 10-2CT 240V 10W/FT	Buy Now
387073	SRP 15-1CT 120V 15W/FT	Buy Now
387137	SRP 15-2CT 240V 15W/FT	Buy Now

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