Most frequently asked questions about JDN

Here at Pacific Hoists we try to make searching for the right product a little easier by answering your product questions. Here are 5 of the most frequently asked questions about the JDN range of products.

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What are the benefits of using a JDN Air Hoist?

  • True vertical lift on all sizes
  • Easy handling
  • Accurate speed control with high torque
  • Low weight compared to electric hoists

 

Which hoist is suitable for my application?

The mini widens the range of application in the light duty sector as a handy, flexible and universally deployable hoist making it an ideal tool for the most different handicraft workshops. Carrying capacities: 125 kg up to 980 kg

JDN Air Hoists PROFI Series are very robust and therefore suitable for tough industrial applications even in continuous working processes. According to requirement there are various control systems. For traversing loads there are different trolleys to meet your special demands.Carrying capacities: 250 kg up to 100 t.

JDN Air Hoists M and B series are designed for operating in mines.

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How are JDN Air Hoists protected against overload?

JDN Air Hoists PROFI series comply to the machine directive and therefore have an overload protection on all products with SWL´s starting from 1000 kg. The sophisticated control ensures that in case of overload the hoist stops. To unlock the stopped hoist it has to be lowered by the pendant control to release the latched overload device.

  • The pneumatic motor simply stops without any damage·
  • No overheating in stall torque or jamming
  • No special protection facilities like PTC elements required
  • With pneumatics, for short term pressure can be increased within the maximum load of the hoist (not allowed for normal use)

 

How many starts and stops with a full load are permitted?

There is no limitation in starts/stops per hour.

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Which protection class do the JDN Air Hoists have?

On electric equipment the compartment or case is classified according to IP or NEMA. For example IP 68 means a housing safe against dust ingress and submersible for a certain time according to manufacturing specifications.
Air Hoists are an open system which is by nature sturdy and insensitive against dirty, aggressive and humid environments. The supply air blows out any ingress. So this makes the air hoist a unique and reliable tool in harsh environments and incomparable to electric hoists.

For further information on our JDN range visit our JDN product pages or contact the Pacific Hoists team on 02 8825 6900.

 

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