These heaters are constructed with the following Design Features:
Passivated Incoloy Sheath
10" long Teflon® Insulated lead wires
Brass Fitting
Epoxy Seal at Lead End, 266°F (130°C) Standard, 194°F (90°C) UL Rating
IMMERSION CARTRIDGE HEATERS SPECIFICATIONS
TERMINATION LOCATION
Single-Ended Straight Termination
The Electrical Termination is located at one end of the heater and exits straight out from the heater.
ELECTRICAL TERMINATIONS
Type F: Internally Connected Flexible Leads
Standard Termination for Low-Density Cartridge Heaters.
The fiberglass lead wires are internally connected to the terminal pins. This lead termination provides flexibility, permitting the lead wires to be sharply bent as they exit the heater.
TERMINATION OPTIONS
Type TL: Teflon® Leads
Maximum temperature rating: 200°C (392°F)
SHEATH OPTIONS
Type CM: Single Threaded Fitting
A single threaded pipe fitting is attached to the end of a cartridge heater to allow for installation into a threaded hole. This mounting option, available with many terminations, can also be offset from the lead end of the sheath. This option is useful when the lead wires need to be kept away from the heated area. Brass fittings are silver brazed and stainless steel fittings are heli-arc welded. Available with the potting seals listed in the table.
Type CN: Double Threaded Fitting
A double threaded pipe fitting is attached to the end of a cartridge heater to allow for installation into a threaded hole. Brass fittings are silver brazed and stainless steel fittings are heli-arc welded.
Type TH: Top Hat Screw Plug
This heater has a header cap as an integral part of the fitting. Leads exit through small holes which are sealed with epoxy for moisture protection.
Type BF: Bulkhead Fitting
A 5/8-18 UNF fitting is attached to the end of the cartridge heater to allow for mounting the heater to the wall of a tank or enclosure. Brass fittings are silver brazed and stainless steel fittings are heli-arc welded. Includes a copper washer and jam nut. The lead wires are internally connected. Available with the potting seals listed in the table.