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Catalogue
NormaWatt: cartridge heaters



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Economical heating

Cartridges with low voltage charge are the most suitable for moderate heating up to 300ºC. Made with best quality stainless steel tube that can be found, or with other material such as copper, brass or aluminium. Everything is perfectly calibrated, such as the exterior. A long-life ceramic piece is inserted into the tube and stands up to every continuous temperature variation, together with the best possible thermic conductivity, as the piece is in contact with the wall of the tube, thereby giving a perfect distribution of heat. The heater wire is inside the ceramic piece and is of first class quality. The nickel-chronium heater wire is the most suitalbe in the manufacture of cartridge heaters due to its high degree of tolerance to high temperatures. Coated with checked granulometric magnesium oxide, covering the whole inside of the cartridge heater. Therefore, a perfect conductivity between the heater wire and the heater is obtained

 Economical
 Uniform temperature
 Variety of terminations
 Wide 24 hours permanent stock

Internal complements
  Termocouple
Watt distribution
Inactive Areas
Different voltages

 Technical data
 
Heat Intensity Not exceeding 4Wcm2 (advisable)
Power Depends on the dimension
Escape of current (when cold) <=0.1mA a 242 v.
Insulation (when cold) <=5mA. a 500v.
Dieletric strengthi 1500v. 1/second
Working temperature 350ºG max.
Tolerance of length +/-1.5%
Tolerance of diameter +/- 0.1
Tolerance of cut of connexion. +/-15 mlm
Power Tolerance(w) + 5 % - 10 %
Cold Areas Depends on length and diameter 5-25 mm

  1. Welded watertight base (Tig) withstands pressure up to 60kg/cm2
  2. Calibrated stainless steel AISI 304/ 316 / 321
  3. Ceramic disc insulator.
  4. Checked pure granulometric magnesium oxide.
  5. Nickel-chronium 80/20 heater wire. Melting point 1400ºC.
  6. Ceramic core.
  7. Hard ceramic head.
  8. Conductor lead.
  9. Hard refracting paste.

The unique Maxiwatt manufacturing system, together with its electronic system, makes it possible to separate the spirals, thereby guaranteeing the same temperature for the whole perimeter and length of the cartridge. Therefore, a uniform and lasting temperature is obtained.

 Use
Los cartuchos normales están especialmente indicados a todos los lugares donde se necesite una temperatura

 Applicationes
Moulds
Smelting of materials
Heating of fluids
Heat welding, etc


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