Catalog excerpts
SPECIFICATION SHEET FIREROD® Cartridge Heaters Revolutionizing the Heater Industry The Watlow® FIREROD® cartridge heater incorporates engineering excellence and is supported by over 60 years of solid industry performance across a broad range of simple and complex applications. As the premier choice in swaged cartridge heating, thousands of industrial manufacturers continue to choose Watlow as their trusted thermal partner and certified cartridge heater supplier. Built using premium materials and tight manufacturing controls, the FIREROD heater provides superior heat transfer, uniform temperatures, resistance to oxidation and corrosion and a long life even at high temperatures. Every system component that leaves our manufacturing facilities meets our strict quality assurance specifications, in addition to those set forth by leading standards and regulating industries. Conductor Pins End Piece Lead Wires Resistance Wire Features and Benefits (con’t) Performance Capabilities Minimal spacing between the element wire and sheath • Results in lower internal temperature • Accommodates a design with fewer or smaller heaters operating at higher watt densities International Organization for Standardization (ISO) 9001 certified • Provides confidence that quality and reliability expectations are met To meet our customer’s individual needs, there are many delivery options available for FIREROD heaters. • Part temperatures up to 1400°F (760°C) on alloy 800 sheath • Watt densities up to 400 W/in2 (62 W/cm2) • Maximum voltage up to 480V Nickel-chromium resistance wire • Ensures even and efficient distribution of heat to the sheath Metalurgially-bonded conductor pins • Ensure a trouble-free electrical connection Magnesium oxide insulation of specific grain and purity • Results in high dielectric strength and contributes to faster heat-up Alloy 800 sheath • Resists oxidation and corrosion from heat, many chemicals and atmospheres UL® and CSA approved flexible stranded wires • Lead insulation rated to temperatures up to 840°F (450°C) Patented lead adapter (LA) method • Allows same day shipment on more than 150,000 configurations of stock FIRER
Open the catalog to page 1Typical Applications • Semiconductor chamber heating • Semiconductor wire and die bonding • Freeze protection and deicing of equipment in cold climates or applications • Humidity control • Patient comfort heating used in medical devices • Mold die and platen heating • Seal bars used in packaging equipment • Test sample heating in gas chromatography equipment • High temperature glass forming equipment Applications and Technical Data Tolerances Diameter • 1 in. (25 mm) units: ±0.003 in. (±0.08 mm) • All other units: ±0.002 in. (±0.05 mm) Sheath Length • All units to 41/2 in. (114 mm) long:...
Open the catalog to page 2Electrical Data Please note, some combinations of minimum and maximum wattages are not available on the same heater diameter. If your application exceeds the limitations shown, contact your Watlow representative. The table below will assist you in selecting the correct FIREROD heater for your application, according to available voltage, amperage and wattage. Heated Length Min. Watts @ 120V ③ Heater Length ① Determined by the current carrying capacity of internal parts and lead wire. Alternate material may be available. ② For 1/4 in. (6 mm) units with thermocouple maximum amperage ③...
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