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High Density Cartridge Heaters
Description:
Anupam's Cartridge heaters can be considered "component heaters" that are used to heat up many different applications. Primarily used in mould, these heaters fit snug inside a cavity and helps heat solids by reaching high temperatures. Cartridge heaters have the versatility of being able to carry thermocouple inside to help control temperatures of the heater more accurately. Various diameters allow for it to be used in any cavity and can be custom designed with any cold section. Lead wires extend from the end to your controls.
The construction of high temperature cartridge heaters positions a nickel-chrome resistance wire precision wound around a magnesium oxide core. It is inserted into a stainless or Incoloy tube locating the resistance wire close to the sheath. The core is centrally positioned within the tube and filled with magnesium oxide powder. Nickel pins pass through the centre of the core making contact with the resistance wire at both ends. The whole is assembly is highly compacted by a swaging operation and thus ensuring excellent heat transfer to the external sheath. One end of the heater is closed with a welded metal end-disc and wire leads exit at the opposite end which is typically closed with a lava seal. A variety of wire leads and lead protection options are available. Heaters can be supplied with internal thermocouples, mounting fittings and many other options.
Applications:
- Hot Runner Bushings
- Form Fill & seal machines
- Pharma Industry
- Marking & Sealing Machinery
- Packaging Industry
- Medical & Laboratory Apparatus
- Shoe Making Industry
- Die and platents
Features:
- Incoloy sheath for oxidation resistance.
- Unique winding design allows faster heating and longer life
- Fine grain high purity magnesium oxide (MgO) fills any voids around the resistor wire to optimize heat transfer, dielectric strength and life of the heater.
- Operated at Higher temperatures
Specifications:
| Technical Features: | |
| Features | High Watt Density |
| Max. Surface Load | 25 W/cm² or 150 W/inch² |
| Wattage Tolerance | + / - 10% |
| Std. Dia Range | 3mm to 25.4mm |
| Diameter Tolerance | - 0.02 mm to - 0.06 mm , if not specified |
| Thermocouple | Type J / K |
| Length Tolerance | ± 1.5 % , min ± 1mm |
| Max. Sheath Temperature | 750° C / 1380° F |
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