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-Knuckle Band
- Description
- Applications
- Construction details
- Clamping method
- Terminations
- Voltage
- Wattage density
- Ordering guide
- Accesories
- Photos / Models


The Knuckle Band, a segmented ceramic band heater, was designed to provide evenly-distributed heat on extrusion and injection molding barrels. Best suited for low to moderate temperatures, the Knuckle Band is constructed of precision made segmented ceramics in order to add flexibility and allow for easy installation. The ceramics are covered with fiberglass insulation, which directs the heat toward the barrel. The end results include a decrease in energy waste, a lower wattage requirement and longer heater life.
The Knuckle Band is ideal for use on the barrels of extrusion and injection molding machines when processing commodity resins.
Other applications include pipe and drum heating.
In addition, Knuckle Bands can be modified to meet the demands of virtually any special application. Our engineers can utilize a variety of alternative features and options to customize the heater to your specific needs, such as packaging machines, laboratory equipment and others.
Construction details:
Flexible segmented ceramics allow for easy installation on barrel. Stainless steel sheath. Ceramic segments brick worked so that heater remains as one unit. Heater can be made with holes and slots.
Clamping method:
Strap ends are standard, bar clamping and optional spring bolt clamping is available, and per request worth ears.
Post terminals, opposite gap unless otherwise specified; terminal strip in box, leads with strain relief, european plug in box.
380 Vac 3 phase or dual voltage and 220 Vac are mainly most used, but there are lot of variations, please consult factory technical department with your special request.
Wattage density (W/cm²): Usually up to 6,2 W/cm², please note that the process need to absorb all the heat produced in order to assure longer life heating
Ordering guide:
For better customer service, the following information will be neccesary when placing an order

- Inside diameter
- Width
- Total Watts
- Volts
- 1 piece or 2 piece construction
- Cuts or holes
- Normal or punched stainless steel outside cover
- Type of termination
- Shipping instructions
- Quantity you wish to order
- Special features and drawing ( download drawing )


- Special connection box
- European plug ceramic + aluminum.
- European plug silicone + aluminum.
- European plug all silicone.
- Temperature resistant cables cooper or nickel.
- Temperature sensors fasteners.
Photos / Models
Not available

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