Leak−free Pipe−Rupture Valve for Excavators series ESV
Pipe Rupture Valves

Leak−free Pipe−Rupture Valve for Excavators series ESV

Pressure [bar]


Flow rate [L/min]


In accordance with standard EN 474−5 “Safety of earth− moving machinery − Requirements for hydraulic excavators”, the excavator pipe−rupture valve, type ESV (Excavator Safety Valve), prevents uncontrolled lowering of the actuator in the event of a pipe− or hose−rupture. In addition, it holds the actuator in its position without any leakage when the main valve is centred. The valve also includes a secondary pressure−relief function, which protects the actuator against overload.

  • Standard design, direct operated
  • The back pressure has no effect on the safety valve
  • Only a drain line is needed; no large tank line is required
  • Various configurations available
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