Electric Heaters/

Drum Heaters

Drum heaters are used to heat, melt and liquefy thick materials held in drums, tanks, canisters and other containers in order to reduce viscosity and make the substances more fluid. This particular process heating apparatus offers uniform warming to avoid scorching the contained materials such as tar, wax, grease, varnish, resin, galantine and even chocolate. Drums filled with these substances often come in standard sizes including 5 gallon, 15 gallon, 30 gallon, 55 gallon, 350 gallon and intermediate bulk containers.

Hotwatt, Inc.
Danvers, MA
978-777-0070
Since 1952, we've been dedicated to providing complete quality electric heater systems to industries such as medical, commercial and military. At Hotwatt, air heaters, circulation heaters, immersion heaters, drum heaters and many more quality systems are all designed for your specific electric heater requirements. Contact us today and we will help you to find the heaters and accessories you need.
Thermal Devices
Mt. Airy, MD
800-282-9100
From air heaters to circulation heaters, whether you are looking for immersion heaters, drum heaters, or coil heaters, Thermal Devices is the place to go. Specializing in the sale and application of electric heaters and accessories, our team can meet all your needs from our wide range of readily available styles and designs. Call us today with your questions, or visit our website to order online.
Watlow Electric Manufacturing Company
St. Louis, MO
800-WATLOW2
Look no further for high quality innovative solutions to your custom electric heater needs. Founded in 1922, Watlow Electric designs and manufactures superior air heaters, circulation heaters, immersion heaters, drum heaters and more to meet your specific needs. Family-owned Watlow has grown considerably since its beginning and is now a successful global distributor of electric heating products.
Chromalox
Pittsburgh, PA
800-443-2640
For more than 90 years, customers have relied on Chromalox for superior commercial & industrial heating solutions. We manufacture the world's largest & broadest line of electric heat and control products, including heating components, immersion heaters, circulation systems, heat transfer systems, boilers, industrial & comfort air heating, heat trace cables, sensors & precision electronic controls.
Intek Corporation
Union, MO
800-387-8559
Intek Corporation is the answer when it comes to electric/gas fired industrial ovens & industrial heaters, heating elements, infrared heating elements & flash dryers. Quicksilver® Industrial Heater Modules for process heating, Stealth™ Personal Space Heaters, Intek electric infrared heaters, infrared ovens & drying ovens, are some products offered. We can also customize to meet your needs.
Solaronics, Inc.
Rochester, MI
800-223-5335
Our leading gas-fired infra-red heaters offer complete solutions for industrial, recreational & commercial buildings. For over 40 years, Solaronics, an infrared heater manufacturer & OEM supplier, has offered heaters that are preferred by architects, engineers, HVAC contractors & building owners when constructing or renovating. Choose from tube heaters, radiant gas heaters, outdoor heaters & more.
Detroit Radiant Products Company
Warren, MI
800-222-1100
Since 1955, Detroit Radiant Products has been a premier infrared heater manufacturer. Our product listing includes electric infrared heaters, infrared gas tube heaters, portable heaters, radiant infrared heaters & much more. Our Re-Verber-Ray® line is the most trusted infrared heater worldwide & offers a variety of indoor & outdoor applications. We are committed to providing quality products!
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Industry Information

Drum Heaters

Also known as band or barrel heaters, drum heaters operate in a wide variety of manners to suit the need of any drum type. As size and capacity vary greatly, some heaters can be made to heat up to 32 drums at once, while others heat one at a time. Although smaller drums and their corresponding heaters are sometimes found in domestic settings, these products are more often used in industrial and commercial settings. Other uses for drum heaters include glass bottle heating, small-scale reactors and process vessels. No matter the use, accurate temperature readings are essential. For this reason many drum heaters come fitted with infinite or variable control precision thermostats. Often these external apparatus can indicate the temperature of the viscous liquid within the drum as well as the exterior sheath temperature, making them essential to the safe use of drum heaters.

As use and size vary so greatly, there are many methods of drum heating a container. Cabinet, insertion, base, tunnel and wrap around heaters are all common variations of the electric drum heater. Cabinet heaters function as an oven as drums are loaded into the space, these are most often utilized for large capacity drums. Insertion heaters fit through the opening, or bung, in the top of a container to heat the fluids directly. Tunnel drum heaters involve a conveyor process that moves the drums through a heated tunnel. Base mechanisms offer a band that clamps around the bottom of a container holding it in place on a hot plate heater. Wrap around drum heaters are among the most common and involve clamps, straps or flanges to hold the heating mechanism around the circumference of a barrel. Common materials used in the construction of any of these include aluminum, brass, copper, fluoropolymer, high temperature foil, iron, nickel alloy, polymide, rubber, silicone, steel and stainless steel. These materials are durable, chemical resistant and can even be treated for explosion proofing as an added safety measure. Mica, ceramic, mineral or fiberglass insulation is often applied to these materials to improve efficiency and minimize operating costs. Other considerations include maximum operating temperature, AC voltage, watt density, inside diameter, width and band thickness.