Open Coil Elements

Open Coil Elements
  • 1-7/8 and 2-3/4" Outside Diameter
  • 60 - 320" (5 - 26 Ft.) Lengths
  • 4 - 20 kW Single Element Ratings
  • 3 - 12 W/In2 (Pipe Surface)
  • 240 and 480V, Three Phase (600V available)
  • For Use In Horizontal 2 or 3" Schedule 40 NPS Pipe

Chromalox OCE Open Coil Element assemblies are specifically designed to fit inside standard 2 or 3" Schedule 40 NPS pipe for use in tank and pipe heating. They can also be used inside metal tubing. (Requires 1/8" min. clearance between ceramic and inside tube wall.)

An OCE heater assembly installed inside a Schedule 40 NPS pipe provides uniform heat over a large surface area. This method of indirect heating lowers the watt density or heat flux on the surface area of the pipe in contact with the heated media, reducing the tendency to coke or breakdown heat sensitive materials.

Rugged Construction — Insulating supports are made of high density electrical ceramic

Easy Installation— Only 3 feet is required for installation or removal in cramped areas

Highly Flexible — Can be bent in a vertical plane on a minimum 12" radius

Continuous Support Bar positions the ceramic insulators and provides sufficient rigidity for handling and installation in pipe

Heavy Gauge Bus Bars provide spacing of heated section away from terminal area

Heavy Gauge Resistance Wire provides reliable service and long element life

Special Ratings and Lengths available

CAUTION — OCE elements should never be mounted in a vertical position as the resistance wire will sag causing uneven heating and short circuits. Allow 3/8" per foot of heater length for expansion. Users should install temperature regulating controls, fusing and backup safety devices.

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