The FP removable core type flameproof electric heaters comprise a large range of process immersion heaters, certified for use in Zone 1 hazardous areas. The heater is designed with removable elements that allow for replacement without the need for drainage of the process vessel.


  • Up to 1000kw (larger ratings achieved by a combination of enclosures)
  • Ceramic core type elements are not subject to problems with moisture ingress
  • Removable core type elements to facilitate replacement without draining the vessel (simply open the terminal box)
  • Elements are individually replaceable on site without the need for special tools
  • Anti-condensation heaters fitted if required
  • Suitable and certified for use in high and low ambient temperatures e.g. Middle East and Arctic regions


  • Certified II 2 G or G and D to the ATEX Equipment Directive
  • Certified under EN 60079-0, EN 60079-1, EN 60079-7, EN 60079-31
  • Certified Ex d, Zone 1, Gas Groups IIB or IIC
  • ATEX or IECEx certified (or CSA certified - FP model only)
  • Temperature classifications certified T1 to T6
  • Terminal box is certified weatherproof to IP66