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January 2019
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Multi-Piece Ceramic Band
TWO-PIECE CONSTRUCTION
FLANGE EAR CLAMPING
CERAMIC BAND WITH FLANG CLAMP
WBN clamping
WELDED BARREL NUT CLAMPING
Metal Liner
METAL INNER LINER
L&T clamping
LATCH & TRUNION
hole in surface
SHELL OVERLAP

Ceramic Insulated Knuckle Band Heaters, with ceramic band clamps, conserve energy by using a 1/4″ thick ceramic fiber insulating blanket reducing power consumption by 25 to 30 percent. Because of the low thermal conductivity of the ceramic fiber insulation the external surface temperature of the Ceramic Band Clamps and Heater is approximately 400ºF while running the inside surface temperature at 1200ºF.

The most common applications include plastic injection molding machines extruders and blow molding equipment. The flexibility of the metal housing allows the use of wider and one piece band heaters.

Ceramic Band Standard Specifications and Tolerances Performance Ratings

Max. Temperature: 1400°F (760°C)

Nominal Watt Density: 20-45 W/in2 (3-7 W/cm2)

Max. Watt Density: 45 W/in2

Electrical Ratings Max. Voltage: w/ Screw Termination 480 VAC Max. Recommended Voltage w/Leads 240 VAC

Max. Amperage: lead wire termination: 10 amp (per circuit) screw terminations: 25 amp Resistance Tolerance: +10%, -5% Wattage Tolerance +5%, -10%

Physical Size Construction Limitations Sheath Material: Stainless Steel Insulation Material: Ceramic Fiber Blanket Standard Thickness: 1/4” Double Thickness: 1/2”

Overall Thickness: Standard Insulation: 5/8” Double Insulation: 3/4” Minimum Width: 1” Standard Width Increments: 1/2” Maximum Width: Dependent upon ratio of dia. to width Width Tolerance: 1” to 3-1/2”: ±1/16” 4” to 6-1/2”: ±1/87” Over 6-1/2”: ±1/4” Min. Diameter: 2” Max. Diameter: One-Piece: 21” Two-Piece: 44”

Larger Sizes available in Multiple Segments – Consult one of our sales engineers. Nominal Gap: 3/8”, ±1/8”

Ceramic Band Applications:

  • Plastic injection molding machines
  • Extruders
  • Blow molding equipment
  • Pipe Heating