PHT Constant Wattage Heating Cables – Tmax 285 °C
The PowerHeat PHT is a high-power, high-temperature constant wattage heating cable used for freeze protection and temperature maintenance of pipes and tanks.
It can withstand a maximum exposure temperature of 285 °C.
This constant wattage heating cable can be cut to length on site without the need for complex calculations.
It provides an alternative to mineral insulated (MI) cables, which, as series-resistance circuits, must be specifically designed for a given pipe length and cannot be easily adjusted on site.
The PHT heating cable is ATEX, IEC, IECEx, and CE approved and certified for use in both non-hazardous and hazardous areas, in accordance with international standards.
For specific requirements, please contact us.
Technical information
Applications
Industries
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The PHT constant wattage heating cables provide exceptional power and reliability: designed for demanding industrial applications, they withstand high temperatures, corrosive environments, and can be easily installed on site.
Product Specification – Maximum Allowable Exposure Temperature: 285 °C
Technical Specifications:
Maximum Allowable Exposure Temperature | 285 °C |
|---|---|
Maximum Operating Temperature (energized) | 275 °C Refer to the temperature data of the equipment to be heated |
Power Supply | 12 à 277 VCA |
Cable Dimensions | -PHT-N : 10,2 x 7,1 mm ± 0,5 mm -PHT-NF : 11,1 x 8,0 mm ± 0,5 mm |
Minimum Installation Temperature | -40 °C |
Minimum Bending Radius | -PHT-N : 45 mm -PHT-NF : 50 mm |
Weight (kg/100 m) | -PHT-C : 9,0 kg -PHT-CF : 11,0 kg |
Cable Gland Thread Size | -PHT-N : M20 -PHT-NF : M20 |
Maximum Circuit Length (m)
Reference | 115V | 230V |
|---|---|---|
30 PHT | 46 | 88 |
50 PHT | 35 | 68 |
70 PHT | 30 | 56 |
For a 10 % voltage drop variation* | ||
Maximum Temperature of the Equipment to be Heated (°C)
| Rated Heating Power (W/m) | PHT-N | PHT-NF |
|---|---|---|
30 PHT | 234 | 243 |
50 PHT | 186 | 201 |
70 PHT | 125 | 147 |
Surface Temperature Limits in accordance with EN 50014* | ||
Please contact us for specific requirements.
The PowerHeat (PHT) constant wattage heating cable is ideal for temperature maintenance and freeze protection of pipes and tanks, even in hazardous or corrosive environments.
Application Example:
In the chemical, food & beverage, or petrochemical industries, tanks and vessels must maintain a constant temperature to prevent product solidification or degradation.
Problem Example:
Insulation alone is insufficient. Heat is lost through conduction (walls and fittings), convection (enhanced outdoors by wind), and radiation (especially above 100 °C). These losses lead to gradual cooling of the product and can disrupt industrial processes.
The Solution – PHT
The PHT (PowerHeat) constant wattage heating cable is designed to compensate for these losses and ensure reliable temperature maintenance of tanks and vessels:
-Provides uniform and precise heating
-Suitable for demanding industrial environments and high temperatures
-Ensures continuity and reliability of sensitive processes
Constant Wattage Heating Cables – PowerHeat PHT are used in the following sectors:
-Chemical & Petrochemical
-Machinery Manufacturers
Power Generation and Steam Networks
-Industrial Fluid Treatment and Storage
-Food & Beverage Industry
-General Industry
This list is not exhaustive.
