Formed Heaters

Specialty Heaters

Specialty Heaters Watlow specialty heaters are designed for thermal applications where high performance is required, and fast response and uniformity are essential.Specialty heaters from Watlow have design flexibility to meet different applications requiring different construction methods. This flexibility allows the heaters to be configured in a variety of shapes and sizes depending on the application. Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 ULTRAMIC®Advanced Ceramic Aluminum Nitride 752 400 1000 155 Thick Film Conduction 430 stainless steel 1025 550 75 11.6 Coil and Cable 304 stainless steel 1200 650 30 4.6 Inconel®600 1200 650 30 4.6

Formed Heaters, High Temperature Heaters

High Temperature Heaters

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High Temperature Heaters Watlow is the leading innovator of high-performance heating technologies. These technologies range from the ULTRAMIC® advanced ceramic heater that delivers ultra-fast ramp rates in a small, clean package to the MULTICELL heater that offers independent zone control for precise temperature uniformity. While Watlow’s ceramic fiber heaters offer some of the highest temperature heating capabilities on the market. Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 MULTICELL™ Alloy 2050 1120 30 4.6 High Temperature FIREROD® Incoloy® 1800 982 100 15.5 High Temperature Tubular Inconel®600 1800 982 45 6.9 Ceramic Fiber Ceramic Fiber 2200 1204 30 4.6

Air Heaters, Formed Heaters

Air Heaters

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Air Heaters Watlow has developed a line of process air heaters that offer performance and versatility in medium to low temperature applications. This rugged and reliable line of heaters efficiently conducts heat. Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 Duct Heaters Incoloy® 1200 650 30 4.7 375 Finned Strip Aluminized steel 1100 595 33 5.1 FINBAR™ 304 stainless steel 1200 650 50 7.7 FIREROD®Cartridge Incoloy® 1400 760 400 62 Stainless steel 1000 538 400 62 Silicone Rubber Enclosure Silicone Rubber 500 260 5 0.8 WATROD™ Enclosure Aluminized steel 390 200 15 2.3

Fluid Delivery Heaters, Formed Heaters

Fluid Delivery Heaters

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Fluid Delivery Heaters atlow® innovative fluid delivery heaters produce consistent results by reducing temperature and viscosity variations. Watlow’s syringe heater was developed for the needs of medical injection applications. The special design provides a heated fluid and drug delivery system solution with long operational life which improves system reliability while reducing equipment down time. Watlow’s FREEFLEX™ heater unique design places the heating element and sensor directly in contact with the perimeter of the tubing to produce efficient temperature control of the tube contents. The FREEFLEX heater eliminates the need for heated reservoir systems in many applications. Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 FREEFLEX® Polymeric 212 100 10 1.5 Syringe Polycarbonate laminate 185 85 2 0.3

Formed Heaters, Immersion Heaters

Immersion Heaters

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Immersion Heaters Watlow’s immersion heaters are designed primarily for direct immersion in liquids such as water, oils, solvents and process solutions, molten materials as well as air and gases. By generating all the heat within the liquid or process, these heaters are virtually 100 percent energy efficient. These versatile heaters can also be formed and shaped into various geometries for radiant heating and contact surface heating applications. UL® and CSA component recognized elements are available. Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 Screw Plug Immersion Incoloy® 1600 870 120 18.6 Stainless steel 1200 650 120 18.6 Steel 750 400 120 18.6 Copper 350 175 120 18.6 ANSI Flange Immersion Incoloy® 1600 870 100 15.5 Stainless steel 1200 650 100 15.5 Steel 750 400 100 15.5 Copper 350 175 100 15.5 Flange Immersion Heaters Incoloy® 1600 870 100 15.5 304 stainless steel 1200 650 100 15.5 Steel 750 400 30 4.7 Copper 350 175 45 6.9 Over-the-Side Incoloy® 1600 870 60 9.3 Titanium 1400 760 43 6.7 Steel 750 400 23 3.6 316 stainless steel 1200 650 60 9.3 FIREROD Immersion Incoloy® 212 100 300 46.5

Flexible Heaters, Formed Heaters

Flexible Heaters

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Flexible Heaters Flexible heaters from Watlow are thin, bendable and shaped to fit almost any equipment. Heat can be applied to the most complex shapes, geometries, curves and pipes conceivable without sacrificing efficiency or dependability. Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 Silicone Rubber Silicone rubber 500 260 80 12.5 Line Heating Silicone rubber 392 200 2.5 0.39 Polyimide Polyimide 392 200 50 7.75 SERIES EHG Silicone rubber 158 70 80 12.5 SERIES EHG SL10 N/A 158 70 80 12.5

Formed Heaters, Tubular Heaters

Tubular Heaters

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Tubular Heaters Single- and double-ended tubular heaters lend themselves to virtually the entire range of immersion and air heating applications. They have a variety of mounting and termination options that make them ideal for industrial applications. Watlow® tubular heaters are UL® and CSA component recognized up to 240V Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 WATROD™ Incoloy® 1600 870 45 6.9 Stainless steel 1200 650 60 9.3 Steel 750 400 45 6.9 Copper 350 175 60 9.3 Inconel®600 1800 982 45 6.9 High Temperature Tubular Inconel®600 1800 982 45 6.9 MULTICOIL™ Incoloy® 1400 760 45 6.9 304 stainless steel 1200 650 45 6.9 316 stainless steel 1200 650 45 6.9 FIREBAR Incoloy® 1400 760 60 9.3 304 stainless steel 1200 650 60 9.3 FINBAR™ 304 stainless steel 1200 650 50 7.7

Circulation Heaters, Formed Heaters

Circulation Heaters

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Circulation Heaters Watlow’s circulation heaters are compact heating systems for fluids and gases. These heaters are ideal for applications such as purified and inert gases, supercritical fluids and liquids like de-ionized water for use in semiconductor and electronics industries as well as for general liquid and gas heating applications. Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 STARFLOW™ Stainless steel 1000 537 30 4.6 WATROD and FIREBAR Circulation Incoloy® 1600 870 120 18.6 Stainless steel 1200 650 120 18.6 Steel 750 400 120 18.6 Copper 350 175 120 18.6

Cartridge / Insertion Heaters, Formed Heaters

Cartridge / Insertion Heaters

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Air Conditioning and Heating Specialists Watlow designed and manufactured the first swaged cartridge heater and revolutionized the heating element industry. With premium materials and tight manufacturing controls, Watlow’s cartridge/insertion heaters provide superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and long life even at high temperatures. Customers benefit from Watlow’s custom designs, on-time delivery, quality and technical assistance. Product Material Maximum Operating Temperatures Maximum Watt Densities °F °C W/in2 W/cm2 FIREROD® Cartridge Incoloy® 1400 760 400 62 Stainless steel 1000 538 400 62 1/8-inch FIREROD® Cartridge Heater Alloy 600 1400 760 400 62 High Temperature FIREROD® Incoloy® 1800 982 100 15.5 Metric FIREROD Incoloy® 1400 760 330 50 MULTICELL™ Alloy 2050 1120 30 4.6