There are a number of different protection techniques
available when protecting equipment for use in hazardous
areas. However this reduces when it comes to mobile material
handling equipment. A selection of these techniques include:
Water cooling
To reduce surface temperatures.
Exhaust conditioners
To cool exhaust emissions and quench flames
DIP
Exclusion of dusts, fibres and or flyings
Ex d Flameproof enclosure
Explosion containment
Ex i Intrinsic Safety
Energy limitation
Ex e Increased safety
Avoidance of ignition
Ex n Non sparking
Avoidance of ignition
Ex m Encapsulation
Exclusion
Ex p Pressurisation
Exclusion
Static dissipation
Static discharge of equipment, tyres and belt drives
A bank of intrinsic safety barriers
mounted in an Ex d enclosure protecting switches, potentiometers
and sensors which are located in the hazardous area.
An exhaust conditioner
mounted on the counter weight of
a diesel powered forklift truck
