EXPLOSION-PROOF FEATURES
 
EX-P
EXPLOSION-PROOF
 HICO TEFC Motor
 
GENERAL       

In addition to applicable TEFC Features, HICO explosion-proof motors are certified for use under the following hazardous classifications: 

Class I, Group D 
Class II, Groups E, F, and G  

Class I, Group D - Atmospheres such as acetone, acrylonitrile, ammonia, benzene, butane, ethanol, gasoline, heptane, hexane, isoprene, methane (natural gas), naphtha, octane, propane, propylene, pyridine, styrene, toluene, or gases/vapours of equivalent hazard. 

Class II, Group E - Atmospheres containing combustible metal dusts including aluminum, magnesium, and their commercial alloys, or other combustible dusts whose particle size, abrasiveness, and conductivity present similar hazardous characteristics.

 Class II, Group F - Atmospheres containing carbonaceous dusts including carbon black, charcoal, coal, or coke dusts that have more than 8 percent total entrapped volatiles, or dusts that have been sensitized by other materials so that they present an explosion hazard. 

Class II, Group G - Atmospheres containing dusts not included in Groups E or F, including flour, grain, wood, plastic, and chemicals. 

ADDITIONAL FEATURES 

  • Normally-closed thermostat 
  • Non-sparking fan and shaft slinger 
  • 1.0 service factor 
  • Meets UL frame temperature limit code T4 or T4A depending on frame size 
  • Explosion-proof cast iron conduit box 
  • cUL listed under File Number E79167 
  • NRCan and EPAct compliant
 
 
APPLICATIONS

Class I:  Petroleum refineries, and gasoline storage and dispensing areas.  Industrial firms that use flammable liquids in dip tanks for parts cleaning or other operations.  Petro-chemical companies that manufacture chemicals for gas and oil.  Dry cleaning plants where vapours from cleaning fluids can be present.  Facilities that have spraying areas where products are coated with paint or plastic.  Aircraft hangars and fuel servicing areas.  Utility gas plants and operations involving storage and handling of liquified petroleum gas or natural gas. 

Class II:  Grain elevators, flour and feed mills.  Plants that manufacture, use or store magnesium powders.  Plants that have chemical or metallurgical processes.  Producers of plastics and medicines.  Producers of starch or candies.  Spice-grinding plants, sugar plants and cocoa plants.  Coal preparation plants and other carbon-handling or processing areas.