Aquator Rotary Mini-Sprinkler – 3.5 mm Blue Nozzle #9 (9/64

Aquator Rotary Mini-Sprinkler – 3.5 mm Blue Nozzle #9 (9/64") – Full Circle

1/2

1/2" Plastic Butterfly Mini-Sprinkler – 5/32" Nozzle – Full Circle

1/2" Plastic Butterfly Mini-Sprinkler – 1/8" Nozzle – Full Circle

$2.35

1/2" plastic butterfly mini-sprinkler with 1/8" nozzle — designed for under-tree irrigation in orchards, nurseries, and other low-profile applications. The spinner-driven full-circle pattern delivers uniform coverage at low pressures (14–28 PSI) with flow rates from 1.7 to 3.8 GPM and a throw radius of 18–21 feet. Lightweight plastic construction resists corrosion and UV degradation.

Connection1/2" MNPT
Nozzle Size1/8"
Flow1.7–3.8 GPM
Throw Radius18–21 ft.
Operating Pressure14–28 PSI
Coverage PatternFull Circle
Drive MechanismSpinner
Availability: In stock
SKU
RK-20G
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

RK-20G – 1/2" Plastic Butterfly Mini-Sprinkler with 1/8" Nozzle

The RK-20G is a compact, spinner-driven butterfly mini-sprinkler designed for under-tree and low-profile irrigation in orchards, nurseries, and row crops. Its full-circle spray pattern delivers uniform water distribution across an 18–21 ft. radius at operating pressures as low as 14 PSI, making it well-suited for systems with limited pressure head.

Key Features & Benefits

  • Butterfly spinner design — creates a wide, uniform spray pattern ideal for under-canopy coverage without wetting foliage
  • Low-pressure operation (14–28 PSI) — reduces energy costs and works well on gravity-fed or low-pressure systems
  • 1/8" nozzle — the smallest nozzle option in the RK-20 series, delivering 1.7–3.8 GPM for lower application rates
  • Full-circle coverage — 18–21 ft. throw radius provides effective coverage for typical orchard and nursery spacing
  • 1/2" MNPT connection — threads directly onto standard risers and poly tubing fittings
  • Lightweight plastic construction — resists corrosion, UV degradation, and chemical damage from fertigation solutions

Ideal Applications

Under-tree irrigation in citrus groves, nut orchards, vineyards, and nurseries. Also suitable for greenhouse bench irrigation and low-growing row crops where overhead sprinklers would cause foliar damage.

RK-20 butterfly mini-sprinkler nozzle performance chart

RK-20G technical specifications

More Information
Base 1/2" MNPT