Walvoil SD5 Monoblock Valves


The Walvoil SD5 has great versatility, making it a perfect control device in all sectors, including: harvesting machines, brushcutters, conveyors, baling machines, small front-loaders, truck-mounted cranes. This product utilises simple, compact and heavy-duty designed monoblock valves (from 1 to 7 sections) for open-centre and closed-centre hydraulic systems: SD5/1, SD5/2, SD5/3, SD5/4, SD5/5, SD5/6, SD5/7.

The SD5 is available to have one‑section execution for circuits with (SD5/1‑D) or without (SD5/1‑N) carry‑over.

Features of the SD5 include:

  • Type “S” free flow gallery
  • Single check valve
  • Parallel, series and tandem circuit
  • Directly operated main pressure relief valve and load check valve on spool pressure line
  • Potential for manual, pneumatic, hydraulic, electrohydraulic and electric controls
  • 16 mm (0.63 inches) interchangeable spools

Key technical details:

  • Nominal flow rating: 45 litres/minute (12 US gallons/minute)
  • Maximum pressure: 315 bar (4600 psi)
  • Number of sections: up to 7
  • Pitch: 37mm (1.46 inches)

Download the Walvoil SD5 technical catalogue >>>

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