HEWL/HEOL Line Heaters

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The HEWL and HEOL range of line heaters is suitable for heating all process fluids which are non-corrosive to the materials of construction. They provide a clean and efficient heating method for bulk liquid flow applications.



  • Thermal insulation and cladding
  • Weatherproof terminal enclosure with protection to IP66
  • Internal control thermostats and over-temperature thermostat
  • Also available in flameproof construction for hazardous areas utilising the FP range
  • Alternative materials of construction available
  • Designed for horizontal installation (vertical mounting version available on request)



Construction Weatherproof protection to IP66
Element Incoloy 800 or 825, 316L or 304 stainless steel, sheathed rod type (HEWL); Removable ceramic core type housed in mild steel or 316 stainless steel, or cartridge type housed in 316 stainless steel (HEOL)
Working Pressure Up to 10 barg / 145 psig, subject to design parameters
Design Code Sound Engineering Practice (SEP)
Vessel Mild steel or 316 stainless steel
Insulation Mineral wool
Cladding Stucco aluminium
Voltage Standard supplies up to 690V, subject to design parameters
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