Explosion proof motors are required for industrial applications with the presence of highly combustible, pervasive materials. Explosion proof does not mean that the motor will never explode, nor that it is immune from external
explosions. Rather, an explosion proof motor has features that prevent an internal motor explosion from igniting a larger, ambient, combustible atmosphere.
Explosion proof motors are distinguished by high material quality,
robust design, high index of IP protection, bearings greased for life, weather and corrosion resistant final overcoat and high dielectric strength insulation system intended to be feed by static frequency converter. Local conditions
must be divided in danger zones, defined by end user together with appropriate establishment, according to frequency and duration of appearance of an explosive gas atmosphere.
Typical customer applications that are in (Class I) environments (flammable gases & vapors) include:
Spray painting and finishing area
Utility gas plants
Petroleum refining plants
Dry cleaning facilities
Dip tanks containing combustible or flammable fluids
Plant facilities extracting solvents
Process facilities manufacturing or using nitro-cellulose
Gas Station
Typical customer applications that are in (Class II) environments (combustible dust) include:
Flour & Feed mills
Fire work plants and storage areas
Magnesium manufacturing and storage areas
Coal preparation and handling facilities
Pulverized sugar and cocoa manufacturing plantss
Packaging and storage plants
Spice grinding and storage plants
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