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Immersion Heaters

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Product Description

Watrod And Firebar Screw Plug Immersion Heaters

  • UL® and CSA component recognition
  • A variety of element sheath and screw plug materials to meet your application needs
  • Integral thermowells provide convenient temperature sensor insertion and replacement without draining the fluid being heated
  • Terminal enclosures provide ability to be rotated to simplify connection with existing conduits
  • Welding or brazing WATROD and FIREBAR elements to the screw plug for a pressure tight sea

Over-The-Side Heaters

  • Rugged, light-weight construction resists damage during installation or removal
  • 0.475 in. (12 mm) diameter WATROD heating elements offers one- or three-phase operation
  • Repressed (recompacted) WATROD hairpins maintain MgO density, dielectric strength, heat transfer and heater life
  • Four inch (100 mm) sludge legs keep heating elements off the tank’s bottom to help avoid being covered with sediment
  • RTV riser seal prevents moisture from infiltrating electrical areas

Plate Flange Immersion Heaters

  • Rapid ship program minimizes downtime
  • Direct replacement for many OEM mold temperature control units provides a single-source supplier for many OEM applications
  • ANSI compatible 2 and 2½ inch flanges for appropriate heater size-to-application fit
  • Standard, general purpose, or moisture resistant terminal enclosures to easily control access to wiring

Firerod Immersion Heaters

  • Nickel-chromium resistance wire precisely centered in the unit ensures even, efficient distribution of heat to the sheath
  • MgO insulation compacted to the proper density results in high dielectric strength and contributes to faster heat-up
  • Alloy 800 sheath resists corrosion from water
  • Metallurgically-bonded conductor pins for trouble-free electrical continuity
  • 240 and 480VAC voltage allows flexibility in wiring the heater for use in your particular applications

Watrod and Firebar Ansi Flange Immersion Heaters

  • UL® and CSA component recognition
  • ANSI and ANSI compatible 2, 2½, 3 thru 48 inch flanges
  • All units are inspected and/or tested to ensure element-to-flange pressure seals do not leak
  • Integrel thermowells provide convenient temperature sensor insertion and replacement without draining the fluid being heated
  • Standard, general purpose terminal enclosure for easy access to wiring

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