RKS-13/64 Brass Primary Nozzle 13/64" – For 1/2" Impact Sprinkler Head
$0.75
Replacement brass primary nozzle sized 13/64" for 1/2" brass impact sprinkler heads (RK-23 series, RK-25 series). The primary nozzle sets the main stream, determining flow rate and throw radius. Select a smaller size to reduce flow and shorten the radius, or a larger size to increase output and distance. This size (13/64") is the largest — highest flow and longest radius.
| Nozzle Size | 13/64" |
|---|---|
| Type | Primary (main stream) |
| Compatible Heads | 1/2" brass impact — RK-23 series, RK-25 series |
| Material | Brass |
Availability:
In stock
SKU
RKS-13/64
Ships Same Day
All orders placed by 12 PM local warehouse time will ship the same day. Some exclusions apply. Delivery time may increase if item isn't available in closest warehouse.
Delivery time: 2-4 business days
RKS-13/64 – 13/64" Brass Primary Nozzle for 1/2" Impact Sprinkler Heads
The RKS-13/64 is a 13/64" brass replacement primary nozzle for 1/2" brass impact sprinkler heads including the RK-23 and RK-25 series. The primary nozzle produces the main water stream and is the key variable controlling flow rate and throw radius. Swapping nozzles is the fastest way to retune a head for a different pressure zone, spacing, or application rate without replacing the entire sprinkler.
Key Features and Benefits
- Size 13/64" — Largest — highest flow and longest radius. Choose based on available pressure, desired spacing, and target application rate.
- Brass construction — resists corrosion and wear for reliable performance in continuous agricultural use.
- Quick field replacement — no tools required; swap nozzles in seconds to adjust coverage without pulling the riser.
- Nozzle sizing principle — smaller orifice reduces flow and radius; larger orifice increases both. Match to your system hydraulics and sprinkler spacing.
Compatibility
Fits 1/2" brass impact sprinkler heads: RK-23, RK-23LA, RK-23LA7, RK-25, RK-25PC, and related variants in those series.