Germany: Handling Equipment Explosion Protection as a Standard

Editor: Alexander Stark

The J D Neuhaus range of handling equipment, including hoists and cranes are designed for operation in dust laden atmospheres or other explosion-hazardous areas such as the chemical manufacture and processing environments.

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A J D Neuhaus mini hoist, shown handling a submersible pump in a potentially hazardous area operation.
A J D Neuhaus mini hoist, shown handling a submersible pump in a potentially hazardous area operation.
(Source: J D Neuhaus)

Witten/Germany — All JDN products, which include both compressed air and hydraulically operated units are Explosion Protected as Standard. This ensures that the handling equipment is safe for continuous and long-term operation in potentially explosive chemical atmospheres as well as the more insidiously dangerous conditions where high levels of airborne dusts exist.

This can include combustible dusts, high concentrations of airborne dusts, or wherever a dust cloud is confined with an oxidant present (i.e. typically atmospheric oxygen) and particularly where there is an ignition source. The oxidation of other commonly known materials such as coal and sawdust can also be the source of a dust explosion. However, many other normally inactive materials such as grain, flour, sugar, powdered milk and even powdered metals can form potentially explosive dust cloud suspensions in a busy working atmosphere.

The manufacturer's range of handling equipment includes air operated hoists for industrial and commercial applications, crane systems, and trolleys for traverse or horizontal movement. Hydraulically operated versions of the JDN Profi range can also be made available, together with hoists specifically designated for operation within unique working conditions. These include hoists available with compressed air or hydraulic operation, which are suitable for underwater work. These specialised hoists have been utilised in subsea conditions to provide weightless underwater movements of suspended loads. Typical operations have included the replacement of a 45 tonne replacement rudder blade for a cargo ship while remaining at sea.