Ring Heaters

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Durable Design

Long service life in hostile environments.

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Global Support

Support and spares available around the world.

Ring Heaters

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.  

A - Single & Three Heat Ring Heater 

Chrome Steel Sheath — 1200°F max. sheath temp.

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 two equal circuits. Center terminal is common.

Refractory-Insulated Construction — for dependable long service life.

Easy Installation — Circular shape and use of Chromalox utility clamps simplifies use of ring heaters.

Nesting Rings to Pack Heat in a Small Area — For example A-65, A-80 and A-90 combination provide 4,050 Watts within a 11" circle.

HSN Half & Full Sheath Ring Heaters

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.

HSW Half & Full Sheath Ring Heater

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.

RHSW Half & Full Sheath Ring Heaters

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.

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Every heating challenge is unique. Chromalox offers the industry’s most comprehensive offering of component heaters and controls. Our experienced engineers will work with you to provide a complete thermal solution for your unique application.