Eaton CLS Sectional Load Sense Relief Valve

The CLS sectional load sense relief valve is ideal for machinery with swing and clamp functions, including forestry equipment, excavators and backhoes.

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Power management company Eaton introduced a sectional load sense relief valve (LSRV) for its CLS mobile hydraulic control valve.

  • Limits individual section pressure through feed oil reduction, eliminating the need for inefficient work port reliefs for feed-side pressure control
  • Improves machine productivity and efficiency by helping prevent functions from slowing down during multi-section actuation 
  • Combines benefits of pre-compensated and post-compensated valves, providing pressure control while maintaining flow sharing and power management capabilities        
  • Enables the use of full available inlet flow to maintain functionality during multi-section actuation
  • Limits pressure by reducing feed oil flow, rather than dumping the flow to the tank        
  • Stops oil flow when a function reaches a specific pressure, which can be lower than maximum system pressure, making flow available to other sections at full system pressure, preventing machine functions from slowing down when multiple sections are operating at once        
  • Improves energy efficiency by minimizing the power losses that occur when using work port reliefs for feed-side pressure control        
  • Discharges only 2-4 L/min. (0.5-1.1 gpm) of flow to the tank to reduce energy consumption and heat generation


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