ISITMAXأنظمة التدفئة الكهربائية
SMax constant-wattage pipe heating cable, a heat tracing cable of parallel construction
التتبع الحراري للأنابيب والخزانات

SMax Series Constant-Wattage Pipe Heating Cable

SMax is a constant-wattage pipe heating cable made to prevent pipelines from freezing and to hold the liquid at its working temperature.

رقم الصنف: ISX-SMAX-SABIT-GUC الفئة: التتبع الحراري للأنابيب والخزانات
سعر استرشادي · ابتداءً من
€375 / $435

سعر استرشادي تسليم المصنع إسطنبول، غير شامل الضريبة والشحن والرسوم. محوّل من سعر القائمة بالليرة التركية وفق السعر المبيّن، ويُعتمد نهائياً في عرض السعر.
سعر الصرف بتاريخ: 2026-09-15

المقاسات المتاحة

  • 5m
  • 6m
  • 7m
  • 8m
  • 9m
  • 10m
  • 15m
  • 20m
  • 25m
  • 30m
  • 40m
  • 50m
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نظرة عامة

SMax is a constant-wattage pipe heating cable made to prevent pipelines from freezing and to hold the liquid at its working temperature. Its difference from self-regulating cables is this: SMax delivers the same wattage to every metre of the run and does not change its output with the ambient temperature. It is therefore the choice on projects where the specification calls for a particular W/m figure, and on long straight runs. It is made in 20, 30, 40 and 50 W/m power options, all four at the same price. A control panel is mandatory — because the cable does not throttle itself, the panel manages the temperature.

SMax is a constant-wattage pipe heating cable of parallel construction. Two supply conductors run side by side along the cable; resistance sections connected between them at set intervals produce the heat. Because each section delivers the same power on its own, the wattage does not change along the run — the first metre of the cable and the thirtieth produce the same heat.

لمحة سريعة

Constant wattageEqual heat at every metre; if the specification calls for a W/m figure, this is the cable.
20 / 30 / 40 / 50 W/mAll four powers are the same price; the pipe determines the choice.
Fault isolationParallel construction — apart from the damaged section, the run keeps working.
2-year warrantyCE-certified ISITMAX manufacture.

أين يُستخدم

Constant wattage — SMax

Equal wattage along the run

The project calculation becomes simple: total power = metres × W/m. If the specification calls for a particular W/m figure, this cable delivers that figure directly and it can be documented.

Self-regulating — HMax

Every point adjusts its own output

The output varies with the ambient temperature and the cable may be overlapped. It is the choice on irregular runs with a high density of valves and flanges.

المواصفات الفنية

PropertyValue
TypeParallel, constant wattage
Output20 · 30 · 40 · 50 W/mall four at the same price
Conductor cross-section2×0,75 mm² · 2×1,5 mm² · 2×2,5 mm²
Supply voltage230 V standard115 V and 400 V optional
InsulationSilicone insulation, PVC outer sheath, twin-conductor
Behaviour in a faultOnly the damaged section stops heating; the run keeps working
Cutting on siteYes — cut to any length required
OverlappingNone
FasteningIntegrated cold lead
ControlControl panel mandatory
Maximum run per circuit50–60 mabove this, the circuit is split into several runs
Explosion protectionNone
ConformityCE-certified manufacture
Warranty2-year manufacturer warranty

دليل الاختيار

Which power rating should I choose?

PipeDiameterRecommended output
Plastic (PVC, PPRC, PE)Up to Ø50 mm20 W/mthis figure must not be exceeded
MetalUp to Ø50 mm20–30 W/m
MetalØ50–100 mm30–40 W/m
MetalØ100 mm and above40–50 W/m or a twin run

هل هذا المنتج مناسب لك؟

مناسب عندما

  • Your project specification calls for a fixed W/m figure; equal heat output is required at every metre along the run.
  • Your run is long and straight; the density of valves, flanges and pumps is low and the cable will not overlap itself.
  • High power in the 20–50 W/m range is required; on metal pipe above Ø100 mm, constant-wattage pipe heating cable delivers the required wattage directly.
  • You are able to operate the run with a control panel and a temperature sensor.
  • The fault isolation feature of the parallel construction is useful to you: apart from the damaged section, the run keeps working.

غير مناسب عندما

  • If the geometry will make the cable overlap itself — on runs with a high density of valves, flanges and elbows, constant-wattage cable overheats at that point. HMax self-regulating heating cable is used for that job.
  • If you do not want to install a panel — without a thermostat, SMax runs continuously. At the scale of a single domestic pipe, a garden tap or a meter box, installing a panel and a circuit is unnecessary anyway; HMax, whose thermostat is optional, is used for those jobs.
  • The surface to be heated is not a pipe but a tank or silo body — industrial tank heat tracing is sized by surface area.
  • You want to heat a valve or a short pipe section with a removable solution — heated flange and valve jackets and heated pipe jackets are the alternative to cable.
  • A hazardous area (Ex) classification is required — this cable is not explosion protected.

التركيب

  1. lengthCut the cable to the calculated length; do not forget the allowances for valves, pumps and elbows
  2. layingLay it as a straight run along the pipe; do not overlap the cable
  3. fixingFix it in place — aluminium tape on plastic pipe, glass fibre tape on metal pipe
  4. sensorPlace the sensor on the pipe surface, on the opposite side from the cable
  5. testingMeasure and record the insulation resistance
  6. insulationCover the pipe and cable with rock wool or glass wool and wrap foil over it
  7. commissioningConnect the cold lead to the junction box and the panel, then set the thresholds and test
A system without insulation does not work efficiently. The insulation keeps the heat that is produced in the pipe; on an uninsulated run the cable works continuously, consumption rises and the protection is still not complete. The cable goes beneath the insulation. Fix the sensor on the opposite side of the pipe from the cable as well, so that it sees the temperature of the pipe and not of the cable — a sensor placed next to it shuts the system down too early.

الطلب والتسليم

  1. same dayLength and rating confirmed, order placed
  2. 1 working dayCutting, testing and packing
  3. 1 working dayHandover to the carrier and tracking number
  4. 1–3 working daysDelivery throughout Türkiye

الضمان والدعم

ISITMAX has manufactured electric heating products in its own facility since 1995; the manufacture is CE-certified. The concept of electrical resistance is a good starting point for classifying heating cables in general: in constant-wattage cables the heat is released across sections of fixed resistance.

الأسئلة الشائعة

What is the difference between constant-wattage pipe heating cable and self-regulating cable?
SMax delivers the same wattage to every metre of the run and does not change its output; it is the choice on projects where the specification calls for a particular W/m figure and on long straight runs. HMax adjusts its own output at every point according to the ambient temperature and may be overlapped; it is used on irregular runs with a high density of valves and flanges.
Is a control panel really mandatory?
Yes. Constant-wattage pipe heating cable produces the same heat for as long as it is energised; with no panel to stop the system, the pipe rises far above the target temperature. The panel switches the cable on and off according to the value it reads from the sensor on the pipe surface. Residual current protection and correct earthing are mandatory as well.
Which wattage should I choose?
20 W/m on plastic pipe — this figure must not be exceeded. On metal pipe, according to diameter: 20–30 W/m up to Ø50 mm, 30–40 W/m for Ø50–100 mm, and 40–50 W/m or a twin run above Ø100 mm. All four powers are the same price.
Can constant-wattage pipe heating cable be cut on site?
Yes, it is cut to the required length and connected with an integral cold lead. The cut point is sealed with a splice and termination kit. The cable must not, however, be overlapped — it overheats where it crosses itself.
What does fault isolation mean?
SMax is of parallel construction: if the cable is damaged at a point, only the section between the two contact points either side of the damage stops heating, and the rest of the run keeps working. In series-connected cables a single break puts the whole run out of service.

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