CARTRIDGE HEATERS
6Pages

CARTRIDGE HEATERS component parts

CARTRIDGE HEATERS component parts OVERVIEW WATTCO™ cartridge heaters are made of a swaged construction that consists in a high-grade nickel chromium resistance wire wound around a high-quality MgO core that is centered in a stainless steel casing. Please consider the following factors in order to select the right cartridge heater. Cartridge heaters are used for several heating metal parts and can be fitted with threaded bushings for liquid heating for certain applications. Cartridge heaters will reach metal temperatures of up to 1400ºF (760ºC) with the appropriate material, watt density,...

CARTRIDGE HEATERS component parts FIG. 2 - WATT DENSITY VS. FIT TOLERANCE AND WORK TEMPERATURE TOLERANCES Please refer to this chart to learn more about the allowed manufacturing tolerances: MANUFACTURING TOLERANCES Resistance tolerance Wattage tolerance (at rated tension) Diameter tolerance Length tolerance Maximum sheath temperature FIG. 3 – SUGGESTED WATT DENSITY FOR HEATING METAL PARTS 2 WHEN ORDERING, PLEASE SPECIFY: Quantity, catalogue number, tension, wattage, diameter, length of cartridge, length of lead, and extra features.

CARTRIDGE HEATERS component parts TABLE 1 Standard Watt Density Cartridge Heaters SHEATH LENGTH CATALOG NUMBER ¼ INCH HOLE DIAMETER (0.247 INCH SHEATH DIAMETER) 3/8 INCH HOLE DIAMETER (0.372 INCH SHEATH DIAMETER) 1/2 INCH HOLE DIAMETER (0.497 INCH SHEATH DIAMETER)

CARTRIDGE HEATERS component parts TABLE 1 Standard Watt Density Cartridge Heaters SHEATH LENGTH CATALOG NUMBER 5/8 INCH HOLE DIAMETER (0.622 INCH SHEATH DIAMETER) 3/4 INCH HOLE DIAMETER (0.747 INCH SHEATH DIAMETER)

CARTRIDGE HEATERS component parts EXTRA FEATURES AND MODIFICATIONS EXTRA FEATURES WATTCO™ cartridge heaters can be custom build to suit other tensions and wattages upon request. Connecting series cartridges on line tensions of more than 300V is not recommended.Please call us at 1-800-4WATTCO (1-800-492-8826) for further details or assistance. WATTCO™ cartridge heaters can be specially configured to any length, up to 100 inches. With longer lengths, special equipment will be necessary for accurate drilling and reaming holes. SHEATH MATERIALS WATTCO™ standard cartridge heaters are made from...