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EXH Explosionproof Electric Heaters

EXH explosionproof electric heaters from Eaton's Crouse-Hinds Division are used for standby heat to prevent process heat loss, or for personnel comfort during maintenance/repair operations.

For rugged locations including: oil refineries, petrochemical plants, rigs, pumping stations, turbine compressors, pulp and paper mills, coal mines and grain elevators.

EXH Explosionproof Electric Heaters

Certifications and compliances

  • Class I, Divisions 1 & 2, Groups C, D
  • Class II, Division 1, Groups E, F, G
  • Class II, Division 2, Groups F, G
  • UL standard: UL823
  • CSA standard: C22.2 Nos. 25, 30, 46
  • NEMA 7CD, 9EFG

Design features

  • Split fan guard for easy access to fan
  • Compact design makes handling during installation easy
  • Evacuated cores heat up quickly with even heat distribution
  • Larger models offer greater kilowatt range, providing more economical means to heat large areas
  • Permanently sealed cores improve reliability and make field servicing easier
  • Control box provides easy access for installation and maintenance

Standard materials

  • Fan – aluminum blade; steel spider and hub with 5/8” (15.875mm) bore
  • Core – steel with integral aluminum fins, vacuum charged and hermetically sealed
  • Heating elements – three long life, low watt density, high grade metal sheathed elements
  • Heat transfer fluid – long life formulated ethylene glycol and water, freeze protected to -49°F (-45°C)
  • Cabinet – 14 gauge (0.075”) (1.90mm) steel; epoxy coated with five stage pre-treatment, including iron phosphate
  • Conduit – heavy walled, 0.122” (3.1mm) steel cadmium plated
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