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Explosion Proof Unit Heaters

  • Industry's Lowest Ignition Temperature Code Rating : T3C, 320°F (160°C)
  • Dual Over temperature Protection: With both automatic and manual reset over temperature cutouts for additional safety.
  • Nontoxic Propylene Glycol Heat Transfer Fluid
  • Low 70 PSIG Relief Valve Setting : This assures that in an emergency, the initial escaping vapor temperature remains below the 320°F (160°C) ignition temperature.
  • Corrosive Resistant Options :  Offered are three constructions suitable for most applications. Standard construction for use in dry non-corrosive areas includes : Welded steel heat exchanger; powder-coated cabinet; epoxy-coated motor. A 316 stainless steel construction suitable for Waste Water Treatment Plants includes : 316 stainless steel heat exchanger, headers and tubes with aluminum fins; stainless steel cabinet; corrosive resistance hardware; epoxy-coated motor. Third construction is suitable for use in Chemical Plants where chlorides are present and includes : corrosive resistance hardware; epoxy-coated motor.

Explosion Proof Convectoin Heaters

Designed to provide a heavy duty and corrosion resistant heat source. Features include:

  • Wide Selection of Sizes: Four compact sizes to fit any space with ratings from 500 to 9500 watts.
  • Sloped Top Cabinet: Prevents objects from being set on top of the convector, which can restrict airflow and cause overheating.
  • Single and Three-Phase: Unique design provides single and balanced three-phase loads in a single element.
  • Gas and Dust Atmospheres: Three listings cover the entire field, two for hazardous gases and vapors and one for dust particles.
  • Wet Locations: All unit sizes available with iridite-coated elements and powder-coated frames for NEMA 3 wet locations.

    Explosion Proof Unit Heaters (Compact)

    Designed with both size and economy in mind. Compact advantages and unique features include :

    • Compact Size : This small design is only 13 inches wide, which makes it ideal for applications where limited space is available.
    • Low Cost : The Compact design offers the most economical solution for heating small Class I, Group D hazardous areas. It is a cost effective alternative to the use of explosion-proof convection heaters.
    • Redundant Over temperature Protection : Primary and secondary automatic reset thermal cutouts for additional safety.
    • Stainless Steel Construction : Provides superior corrosion resistant protection. Optional Dirty Duty construction adds epoxy coating to all aluminum parts for use in corrosive applications.
    • Optional Marine Duty Construction : The Compact design is ideal for shipboard use where size, weight and corrosion resistant construction are critical.