Type D

Type D
The Type D nozzle features a cylindrical slotted design ideal for large sand filter systems. Its integrated residual drainage system prevents dead zones at the base of the filter, while the precisely arranged slots deliver an even horizontal backwash pattern for optimal cleaning performance.

Features

Need help identifying slot size? View the Slot Size Colour Guide →

Video

Orthos Filter Nozzle Video Series

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

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

Designed for engineers and filtration specialists looking to optimise efficiency, durability, and system performance.

Watch the Series