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Routine turbine handling in offshore conditions


Published Aug 20, 2015
Routine turbine handling in offshore conditions

The Gerritsen On- & Offshore Services BV company have handled a routine turbine maintenance procedure being undertaken on an offshore location in the Southern North Sea. This involved four of their personnel, utilising an air operated hoist unit manufactured by the J D Neuhaus company for the safe and effective lift and manoeuvre procedures for a turbine lift load of 12000kgs. The turbine was responsible for supplying power to a gas-compressor utilised for power, steam and other general services.

The JDN hoist was a Profi TI and this unit was also combined with an overhead rail mounted trolley, also air powered, to provide horizontal movements of the load. For maximum safety of operation in offshore conditions, a rack and pinion drive was incorporated into the trolley mechanism, with the whole lifting package also incorporating a spark resistant finish for operation within potentially explosive atmospheres. Control operations for the hoist mechanism were incorporated into a JDN E-type pendant controller providing single speed control of the raise/lower/traverse load movements.

The current range of Profi TI air operated hoists manufactured by JDN comprises 13 models covering individual lift capacities from 250kg to an impressive 100 tonnes. All these models are suitable for use in explosion-hazardous areas, as typically found in offshore environments, providing unbeatable advantages over conventional electrically driven handling products.

Tags: J D Neuhaus




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