Type DSP

Type DSP
The Type DSP nozzle builds on the proven Type D design, featuring an expansion dowel for quick, above-base installation on plates up to 45 mm thick. Perfect for air backwash systems, it’s designed for use with DG50 sealing rings to ensure a tight, reliable seal and efficient backwash performance.

Slot Size by Colour

  •  0.2mm Slot Size - Ivory 
  •  0.3mm Slot Size - Green 
  •  0.35mm Slot Size - White
  •  0.5mm Slot Size - Grey 
  •  0.7mm Slot Size - Yellow
  •  0.8mm Slot Size - Blue
  •  1.0mm Slot Size - Black
  •  1.5mm Slot Size - Orange 
  •   2.0mm Slot Size - Green  

Watch the Orthos 4-Part Filter Nozzle Series

Deepen your understanding of filtration system design with the Orthos’ four-part video series — Filter Nozzles 101, 102, 103, and 104.

Explore everything from material selection and screen slot widths to pressure drop dynamics and advanced tailpipe construction for air scour systems.

Whether you’re an engineer, designer, or filtration specialist, these videos unpack the science behind high-performance nozzle systems — helping you optimise efficiency, durability, and performance in every project.


Watch the Series