Used for:

• Hot runner nozzles
• Cutting & sealing bars
• Medical equipment
• Rod, pipe & tube heating
• Heat tracing
• Semiconductor manufacturing

Construction and features

• High performance
• Rapid response
• Fully annealed
• Miniature sizes
• CSA and CE certified

Coil and cable heaters are made by placing a pair of tiny coils or two lines of straight resistance wire inside a very dense MgO medium. This core is then inserted into a stainless steel shell. These high performance heating cells can acquire temperatures of up to 1500°F. A coil heater in its unformed straight stage can have a maximum length of 6ft and its cross-section can be square or rectangular, while a cable heater can be 300ft long and is available in round cross sections. Thermocouple sensors could be installed internally at the tip or the middle of a heater. Power terminals, as well as ground and thermocouple wires are attached to the internal wires inside a transition adapter, which has a larger diameter than the actual heater’s cross-sectional diameter. Although HIGHWAT coil and cable heaters are fully annealed and can acquire any shape, they should be formed to a final shape in a single attempt. Forming and bending operations harden the outside stainless shell of a heater, and re-annealing might become necessary if changing the form is required.

The wattage in a coiled heater could be distributed, with higher wattage at the two ends, simply by stretching and distancing apart the middle loops.


*Coil and cable heaters that have a clearance between the resistance wire and the outside shell of more than 0.4mm