Safe load lowering

J D Neuhaus has introduced an emergency lowering device for its EH range of air operated monorail hoists.

With this feature JDN complies with standards such as NORSOK, specifying an emergency device for safe lowering of loads in the event of a cut in the main power supply.

The device supplements an existing fail-safe disc brake, which is activated in the immediate event of a mains power failure, ensuring that suspended loads are held safely and securely at their above-floor level until mains power is again available.

JDN monorail hoists with lift capacities from 25 to 60t can now be equipped with the latest safety development. This comprises an additional separate pressurised air reservoir tank (maintained at a mains air pressure of normally 6 bar), with a purpose-built hand controller that gives positive twohanded lowering control, while eliminating the potential for unintended load movement.