Cold Weather Catalog - Chromalox Precision Heat and Control
Cold Weather Catalog - Chromalox Precision Heat and Control
Cold Weather Catalog - Chromalox Precision Heat and Control
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<strong>Heat</strong>ing CableSRLSelf-RegulatingLow TemperatureDE C B A• Self-Regulating, Energy Efficient• 16 AWG Buss Wire• Circuit Lengths to 660 Feet• Process TemperatureMaintenance to 150°F (65°C)• Maximum Continuous ExposureTemperature, Power Off, 185°F(85°C)• Industrial Freeze ProtectionApplications• Freeze Protection of FireProtection System Piping• Field Splicing WithoutDisrupting <strong>Heat</strong> Output• 3, 5, 8 <strong>and</strong> 10 W/Ft.• 120 <strong>and</strong> 208 - 277 Volt FromStock• Approximate Size 3/8”W x 1/8"H• Min. Bend Radius 1-1/8"• For Use on Metal <strong>and</strong> PlasticPipesDescription<strong>Chromalox</strong> SRL self-regulating heating cableprovides safe, reliable heat tracing for freezeprotection of pipes, valves, tanks <strong>and</strong> similarapplications. Constructed of industrial grade16 AWG buss wire with a tinned copper braid<strong>and</strong> optional overjacketing, SRL ensures operatingintegrity in Div. 2 hazardous environmentsas well as certain corrosive industrialenvironments. SRL heating cablehas a maximum maintenance temperaturerating of 150°F (65°C).Features• Energy effi cient, self-regulating SRL usesless energy when less heat is required.• Easy to install, SRL can be cut to any length(up to max. circuit length) in the fi eld.• Field splices can be performed easily in minuteswith no scrap or wasted cold sections.• SRL features lower installed cost than steamtracing, less maintenance expense <strong>and</strong> lessdowntime.• SRL can be overlapped without burnout,which simplifi es heat tracing of in-line processequipment such as valves, elbows <strong>and</strong>pumps.• Because SRL is self-regulating, over-temperatureconditions are minimized.• <strong>Chromalox</strong> termination, splice, tee <strong>and</strong> endseal kits reduce installation time.ConstructionABCDCut to Lengthin FieldCan be SingleOverlappedTwin 16 AWG Copper Buss Wires —Provide reliable electrical currentcapability.Semiconductive Polymer Core Matrix —“Self-Regulating” component of the cable,its electrical resistance varies withtemperature. As process temperaturedrops, the core’s heat output increases; asprocess temperature rises, the heatoutput decreases.Polyolefi n Jacket — Flame retardant,electrically insulates the matrix <strong>and</strong> busswires <strong>and</strong> provides resistance to water<strong>and</strong> some inorganic chemical solutions.Tinned Copper Braid — Providesadditional mechanical protection in anyenvironment <strong>and</strong> a positive ground path.Maintains up to150°FWithst<strong>and</strong>s up to185°FLow TemperatureETemperatureSelf RegulatingOutputHigh Temperature Fluoropolymer or TPROverjacket (optional) — Corrosionresistant, fl ame retardant overjacket ishighly effective in many environments.TPR coatings protect against certaininorganic chemical solutions.Fluoropolymer coatings are used forexposure to organic or corrosivesolutions. These coatings also protectagainst abrasion <strong>and</strong> impact damage.ApprovalsATEX <strong>and</strong> IECEX Exe IIGb, Factory Mutual(FM) Approved for ordinary areas. UL Listed,CSA Certifi ed for ordinary areas. UL listed forfreeze protection of fi re protection systempiping. FM Approved for hazardous (classifi ed)areas when used with U Series, DL <strong>and</strong> ELaccessories:• Class I, Div. 2, Groups B, C, D(gases, vapors)• Class II, Div. 2, Groups F, G(combustible dust)• Class III, Div. 2(easily ignitable fi bers <strong>and</strong> fi llings)• 3 Watt Rated T6 Temperature Class• 5 <strong>and</strong> 8 Watt Rated T5 Temperature Class• 10 Watt Rated T4A Temperature Class.CSA Certifi ed for hazardous areas when usedwith DL or EL accessories:• Class I, Div. 2, Groups A, B, C, D• Class II, Div. 2, Groups F, G.• ATEX <strong>and</strong> IECEX Exe IIGb• IIG Exe II82