Omega CSS and CSH Series Owner Manual

Below you will find brief information for Cartridge Heaters CSH/CSS Series. These heaters are designed to be installed in a hole that is slightly smaller than the heater diameter, which helps to ensure a tight fit and rapid heat transfer. They are also sized so that they never exceed .005 less than the nominal diameter and always at least .001 under the nominal diameter for a slide fit. This helps to keep the unit as cool as possible, which contributes to long life. Ensure smooth, uniform metal to metal contact. On many applications, plastic material, machine oil, and/or moisture may be present. Cycling of a cartridge heater causes these materials to be absorbed. Heaters, therefore, should be carefully selected for these applications utilizing sealed terminations.

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Cartridge Heaters CSH/CSS Series Instruction Sheet | Manualzz

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Key features

  • Slide fit installation
  • Rapid heat transfer
  • Long Life
  • Sealed Terminations
  • High watt densities
  • Various increasing temperatures
  • Hole tolerances

Frequently asked questions

Drill and ream holes to the proper length and the nominal diameter plus .001” maximum, minus .000” of the heater diameter 3/16”, 3/8”, 1/2”, 5/8”, etc. The heaters are sized so that they never exceed .005 less than the nominal diameter and always at least .001 under the nominal diameter for a slide fit. Always finish-ream drilled or cast holes to insure a smooth, uniform metal to metal contact. A knockout hole should be provided if possible to aid removal. The receptacle hole should be free from oil before heater installation to avoid contamination and short life. Do not use set screws to hold heaters in place.

There are two main types of cartridge heaters: CSH and CSS. CSH heaters are high watt density while CSS are not. This document covers both series.

On many applications, plastic material, machine oil, and/or moisture may be present. Cycling of a cartridge heater causes these materials to be absorbed. Heaters, therefore, should be carefully selected for these applications utilizing sealed terminations.
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