The coiled resistance wire is embedded in a special refractory Material that possesses excellent heat transfer characteristics and superior insulation properties. The entire heater assembly is encased in either stainless or chrome steel sheath and is compressed under high pressure. The completed assembly is heated under controlled conditions to bake and semi vitrify the refractory for a rigid, vibration resistant, heavy-duty heating unit.

Strip heaters can be finned to improve heat transfer. The fins are specially designed to provide maximum surface contact for good heat dissipation into the finned cross sections, thus resulting in rapid heat transfer to the air.

Applications: Ovens, Hot Plates, Clamp-on water heating, Coffee urns, Vacuum pumps, Vulcanizers, Autoclaves, Core baking ovens, Space Heating, Pre-Heaters, Food Warmers, Dies, Mold heating, Valve houses, Pipe lines, Process welding, Platens, Melting, Baking, Tank Heating, Incubators, Air Heating, Ink drying, Crane cabs, Sealing Bars, Load Bank resistors, and Packaging.

Specifications and Tolerances:

Strip dimensions: 1-1/2” x 5/16” OR 1-1/2” x 3/8”

Outer width:1-1/2″ ± .010

Mounting Slot HOLE Size: 5/16” x ½” Thickness  5/16 ± .005, 3/8 ±.08”

Length tolerance: ± 1/16″ to 20″,  ± 1/16″ over 20′

Max sheath temperature up to 1200°F (650°C)z

Temperature Clamp-on surface 850°F (450°C)

Max Voltage: 480 VAC (depending on design parameters)

Max Lead Voltage recommended at 240 VAC

Max Amperage: 22 amps (for lead wire termination 10 amps)

Max screw terminations 10-32 UNF-25 amp

Resistance tolerance: +10% -5%

Wattage tolerance: +5% -10%

Recommended Wattage Max clamped to part in 70°F ambient air (multiply by 75% if insulated)

Wattage Density (nominal) 20 w/in²