Type PKO
Manufactured by KSH Germany, the Type PKO Filter Nozzle features a sinking body within the air-cushion tube to regulate flow during backwashing and ensure even regeneration agent distribution. Designed for ion-exchange and fluidized-bed systems, it’s supplied in New Zealand exclusively by Absorb NZ.
Features
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
Specifications
Technical Specifications – Type PKO Filter Nozzle
| Specification | Detail |
|---|---|
| Manufacturer | KSH Germany |
| Model | Type PKO |
| Design | Filter nozzle with internal sinking body for controlled backwash from above the nozzle base |
| Function | During backwashing, the sinking body restricts flow to create counterpressure for even regenerant distribution; it opens freely in the filtration direction |
| Slot Size / Area | 0.2 mm = 3.0 cm² |
| Thread Type (ØA) | M24 |
| Thread Diameter (ØA) | 24 mm |
| Thread Length (L1) | 45 mm / 50 mm (+5 mm tolerance) |
| Head Diameter | Ø 90 mm |
| Wrench Size | SW17 |
| Outlet Diameter (ØB) | 16 mm (≈ 2.0 cm² flow area) |
| Flow Capacity (Δp ≈ 0.1 bar) | ≈ 2.5 – 3.0 m³/h (ρ = 1.4 g/cm³, per KSH flow chart) |
| Material | Polypropylene (PP) or PVDF (depending on application) |
| Installation | Direct screw-in mounting through nozzle base |
| Application | Used in ion-exchange systems with fluidized-bed regeneration and in filter backwash systems |
| Exclusive NZ Distributor | Absorb It Ltd |
Links
Downloads
Video
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.