Chromalox High Density Ring Heaters are manufactured using the same construction as our high density strip heater. Chromalox Ring Heaters are available in diameters ranging from 2 1/2" to 11" with inside diameters from 1/2" to 8 1/2". Ring Heaters have temperature ratings up to 1200°F (650°C). Ring Heaters have a wide variety of surface heating applications.
Single-Heat Rings — Have two terminals for single wattage on-off switch or thermostat.
Three-Heat Rings — Have three terminals that split the heater into 2 equal circuits. Center terminal is common.
Easy Installation — Circular shape and use of Chromalox utility clamps simplifies use of ring heaters.
Nesting Rings to pack heat in a small area.
Half Sheath Units Have Reduced Thermal Gradient to Heated Surface — Provides faster heat up