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Industrial Heaters

Bolt Heaters

  • Minimum Diameter .119
  • Std. Lead Wire Gage 24
  • Max Volts 240
  • Max Amps 3.6
Bolt Heaters are used to preheat large, hollow holding bolts or studs where a high concentration of heat is critical for bolt expansion in a short period of time. As an insertion type unit, the bolt heater is widely used in the manufacture and servicing of heavy duty steam or other pressure equipment. It is also used to heat die blocks and large platens and to expand adjusting bolts on mechanical or hydraulic presses.
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Cartridge Heaters

Cartridge heaters, also known as insertion heaters provide superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and long life even at high temperatures.

Cartridge Heaters can be made with various diameters, lengths, wattages, and voltages. They are widely used in molds and dies, platens, plastic molding and packaging machinery.

Used in sealing, extruders, hot runner molds, laminating equipment, process tanks, and die blocks.
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Barrel Heaters

Provide practical, efficient means of freeze protection, viscosity control and maintenance of materials at elevated temperatures. A variety of standard sizes are combined with availability of configure-to-order designs to meet a variety of applications.

Durable and long lasting
Large heater coverage and high wattages
Exclusive FM approved hazardous-area silicone rubber drum heater
Patented grounded heating element
Easy adjustable temperature control
Full coverage drum heaters feature an easy-to-use digital temperature controller with audiblevisual alarm
Full coverage drum heaters and insulators maximize heat efficiency
Variety of standard sizes and configure-to-order options for special vessel heaters
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Tank Heaters

Our tote heaters and ibc heaters emit safe, consistent heat. This ensures your totes are stored at optimal temperatures. Our standard tote heaters and ibc heaters can fit 250 gallon, 275 gallon, 330 gallon, 350 gallon, 450 gallon and 550 gallon totes.

Speed up the flow of products like honey, molasses, lube oil, biofuel, etc. stored in bulk containers
Safely heat: Does not contaminate or scorch your product
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Large Tank Heaters

ProTherms tank heating solutions are uniquely designed to heat large storage tanks located above or below ground and containing highly viscous fluids or heat sensitive materials. ProTherm offers uniquely designed electric heating systems for large storage tanks. The systems can be installed in above or below-ground tanks made of steel, concrete, or fiberglass.

We can heat any size tank or vessel to your temperature requirements. We offer over the side heaters, flange heater elements, screwplug heaters, cartridge heaters and flexible heating blankets. Contact us to discuss your application.
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Band Heaters

Band heaters are computer designed and manufactured to your specifications. Only the highest quality materials are used for optimal performance. Our stock band heater inventory is constantly growing. We stock a wide variety of heaters right on the shelf that are available for same day shipping.

Band heaters are commonly used in the plastic industry, and in applications up to 1000F. Termination options include leads, stainless steel braid, and post terminals. Clamping options are available for all mounting requirements. Special construction options include two piece construction, expandable construction, cutouts, and others.
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  • (Protherm Industries)
  • Hermitage, TN 37076 map, United States
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