FLR Flameproof Liquid Filled Radiators

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The FLR range of liquid filled electrically heated radiators comes complete with an externally adjustable control thermostat, and is certified for use in hazardous areas where the atmosphere is classified as a Zone 1 or 2 (IIA, IIB, IIC) gas group, or a Zone 21 or 22 (IIIA, IIIB, IIIC) dust group.



  • Certified to ATEX standards
  • Low surface temperature
  • Certified weatherproof protected to IP6X
  • Integral preset surface temperature control thermostat
  • Floor mounting
  • Radiator filled with water / glycol mix
  • Suitable for ambient temperatures from -20°C to +40°C
  • Robust construction
  • Manual reset over-temperature cut-out fitted to ensure radiator surface temperature never exceeds 80°C
  • Optional externally adjustable control thermostat
  • 2 x 25mm (plugged) cable entry provided as standard



Stock Code S63030001 S63030002 S63030003 S63040001 S63040002 S63040003
Rating kW 1 2 3 1 2 3
Dim A (mm) 580 1130 1680 580 1130 1680
Dim B (mm) 510 1035 1575 510 1035 1575
Dim C (mm) N/A 510 780 N/A 510 780
Dim D (mm) N/A 550 830 N/A 550 830
Weight (Kg) 50 100 150 100 150 100


Certification ATEX II 2 G/D
Ex d IIC T6 Gb (Gas) suitable for Zones 1 and 2
Ex t IIIC T85°C Db (Dust) suitable for Zones 21 and 22
CU TR (formerly GOST)
Enclosure Cast aluminium finished in orange / grey
Radiator Pressed steel with white powder coated finish to RAL 9010
Element Long life 321 stainless steel rod-type, comprising high quality 80/20 nickel chrome resistance wire, compacted in magnesium oxide insulating powder
Controls Preset radiator surface temperature control thermostat and manual reset safety temperature limiter (optional externally adjustable control thermostat)
Mounting Floor standing with welded-on feet and wall retention brackets
Rating Standard heater ratings 1kW, 2kW and 3kW
Voltage 1 phase: 230 to 240V
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