Oscillating monitor

Oscillating monitor

Self-Oscillating monitors have been developed specifically to suit the requirements of tank farms, helideck and process fire protection systems where large capacity flow rates and throwing distances are required.

The Knowsley SK Oscillating monitor is designed for unattended operation with a Pelton wheel drive the oscillation is driven by mains water and the angle and speed adjustable making it ideally suited for the harsh environment of process plants, tank farms, road/rail tanker loading areas and offshore installations.

  • Single waterway;
  • Undivided water stream;
  • Low pressure loss;
  • Unattended operation;
  • Self oscillating using mains water;
  • Pelton wheel drive;
  • Adjustable angle and speed of oscillation;
  • Oscillation arc can be set at regular intervals within 360 degrees;
  • Quick change to manual operation via quick release knob;
  • Elevation +85 degrees;
  • Depression -70 degrees


  • 5120
  • 5126
  • Specifications
  • Downloads
  • Specifications
    Color Red enamel
    Material Gunmetal
    Inlet Connection 4” or 6” ANSI Class 150#
    Outlet 4” NSTM or 4” BSPM thread
    Waterway nominal bore 4"
    Max. capacity 6000 LPM
    Oscillation speed 7 Cycles per min @ 7.5 barg
    Oscillation angle 40° to 90°
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