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IndeecoExplosion-Proof Flanged Immersion Heaters

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Indeeco’s explosion-proof flanged immersion heaters are one of the most widely used solutions for heating fluids and gases in hazardous locations.  CSA approved for Class 1, Division 1, Group B, C and D locations and/or approved for ATEX, UKCA and IECEx Zone 1 and/or Zone 21 locations.  Indeeco’s explosion-proof flange heaters are designed for use in tanks, vessels, and in-line heating.

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  • Wattages up to 8.5 megawatts
  • Watt densities up to 200 w/in2
  • Voltages up to 600V
  • Element sheath temperatures up to 1,500°F
  • Multiple flange and element materials
  • Flange sizes up to 30″ and class 2500 ASME B16.5
  • ANSI B16.5 class 150 or class 300 flange 3″ up to 30″ (max flange size of 24″ for div 1 applications)
  • Designed to fit into schedule 40 or schedule STD pipe for the given flange size
  • Flange material A105 carbon stl, A182 304/304L or 316/316L stainless steel
  • Elements sheath materials available; steel, 304 SST, 316 SST, 321 SST, incoloy 800, incoloy 840, copper
  • Epoxy or RTV sealed heating elements to prevent moisture absorption
  • Stainless steel welded bussing to eliminate loose connections
  • Heater circuits divided into 48A max as default
  • Heavy duty, low pressure drop design, 304 SST element support spacers provided on 24″ centers
  • Spacer support rods provided for immersed length greater than 30″
  • Lifting lugs for heaters 4″ and larger
  • Nitrile bonded fiber, or SST/graphite spiral flange gasket provided as standard