Walvoil SD18 Monoblock Valves


The Walvoil SD18 is a simple, compact and heavy-duty monoblock valve for open-centre and closed-centre hydraulic systems. Its robust construction makes it suitable for applications in agricultural machinery, for example boom mowers, or in industrial services such as waste compactors and drainage systems.

The valve is available with 1 to 6 sections: SD18/1, SD18/2, SD18/3, SD18/4, SD18/5, SD18/6.

Features of the SD18 include:

  • Single check valve
  • Main pressure relief valve
  • Potential for manual, hydraulic, electro-hydraulic and pneumatic controls
  • Parallel circuit arrangement
  • 25 mm (0.98 inch) diameter interchangeable spools
  • Wide potential for service port valves

Key technical details:

  • Nominal flow rating: 160 litres/minute (42 US gallons/minute)
  • Maximum pressure: 250 bar (3600 psi)
  • Number of sections: up to 6
  • Pitch: 53mm (2.09 inches)

Download the Walvoil SD18 technical catalogue >>>

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