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Safe hydraulic equipment of machinery

Safe hydraulic equipment of machinery

When designing hydraulic systems for machinery, all the intended operating states and applications must be taken into account. To determine the hazards, a risk assessment must be carried out in accordance with DIN EN ISO 12100. As far as is practicable, all identified risks should be designed out of the system where possible. Where this is impossible, appropriate safeguards should be provided.

These are, for example:

  • All parts of the system must be designed to withstand pressures corresponding to the maximum operating pressure of the system or any other component; if not, further protective measures should be put in place.
  • Preferred safeguards against excess pressure are one or more pressure limiting valves, which restrict pressure in all parts of the system.
  • Systems should be designed, built and configured to minimise pressure surges and pressure increases. A pressure surge and increased pressure must not give rise to any hazard.

Standards for hydraulic equipment

Standard Harmonised Title
EN ISO 4413   Hydraulic fluid power - General rules and safety
requirements for systems and their components
EN ISO 12100: 2010 replaces
EN ISO 12100-1 and 2;
EN ISO 14121-1
Yes Safety of machinery
General principles for design. Risk assessment and
risk reduction

 

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