The high watt density cartridges are designed to heat solids by conduction. They are usually used to heat press moulds.
Maximum operating temperature of high watt density cartridge 750°C, maximum load 50W/cm² (300W/Sq. Inch).
- Resistive alloy wire nickel chromium 80/20 coiled
- Insulation by compressed magnesium oxide
- Sheath in stainless steel tube 321 tolerances on diameter ±0.01mm, end plug seamless welded
- Metric diameter 6.5, 8, 10, 12.5,16, 20 mm
- Imperial diameter 1/4″, 3/8″, 1/2″, 5/8″
- Length from 25 to 1500mm, 1 to 60”
- Termination by nickel cable glass fibre insulated, length 300mm (maximum temperature 280°C)
- Voltage 230VAC
- Power from 75 to 5000W (tolerance ±10%)
- Other diameters on demand
- Special cable length up to 2000 mm
- Additional wire for earth
- Wire insulated by ceramic beads (maximum temperature 800°C)
- Special voltage up to 440 V
- Built in thermocouple type K or J
- Welded BSP threaded gland for fixing
- Welded Flange or bracket for fixing
- Power increased at the ends, heating zones
- Square output or 90°C output
- Cable protected by sleeve
The high watt density cartridge must be fitted in a reamed hole H7 to work properly. For watt density higher than 30W/cm² (200W/Sq. Inch) we advise you a split reamed hole which lock the cartridge in the hole to ensure a better heat transfer.
We advise you to use our thermal grease to ease the assembly and increase heat transfer. Ref PG12, pot of 120g.
The layout of cartridge in a part to be heated must be on a regular pitch. The minimum distance between 2 cartridges is 200mm.
You must use a temperature control device to regulate the temperature of your process. The sensor must be fitted in the middle of the cartridges.