RP-1/8 Brass Secondary Nozzle Plug – For 3/4" Impact Sprinkler Head
RS-7/64 Brass Secondary Nozzle 7/64" – For 3/4" Impact Head
RS-3/32 Brass Secondary Nozzle 3/32" – For 3/4" Impact Head
$0.75
Replacement brass secondary nozzle sized 3/32" for 3/4" brass impact sprinkler heads (RK-30 series, RK-32, RK-35). The secondary nozzle mounts behind the main stream to irrigate the close-in area beneath the full-radius arc, eliminating dry zones near the riser. This size (3/32"): smallest — minimal close-in flow, tightest inner coverage ring. Pair with a primary nozzle (RK- series) or use the RP-1/8 plug if no secondary coverage is needed.
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The RS-3/32 is a 3/32" brass secondary nozzle for 3/4" brass impact sprinkler heads including the RK-30 series, RK-32, and RK-35. The secondary nozzle occupies the port behind the main stream and directs water into the inner coverage zone — the area between the riser and the main stream's landing radius — which the primary nozzle alone does not reach. Selecting the right secondary nozzle size allows irrigation managers to balance close-in and far-field application rates for uniform coverage across the full wetted area.
Key Features and Benefits
Size 3/32" — Smallest — minimal close-in flow, tightest inner coverage ring. Select based on desired inner-zone application rate and spacing.
Eliminates dry inner zones — fills the close-in area that the primary nozzle's arc does not cover, improving uniformity across the full wetted diameter.
Brass construction — durable, corrosion-resistant for continuous agricultural use.
Works with the full primary nozzle range — pair any RS- secondary with any RK- primary to tune both inner and outer coverage independently.
If no secondary is needed — use the RP-1/8 plug to seal the secondary port instead.
Compatibility
Fits 3/4" brass impact heads: RK-30, RK-30LA, RK-30PC, RK-32, RK-35, and related variants. Not for 1/2" or 1" heads.
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