Black Hunter PGJ sprinkler with red nozzle and riser extended
Black Hunter PGJ sprinkler with red nozzle and riser extended
Hunter PGJ sprinkler watering a lawn beside garden plants
Hunter PGJ sprinkler watering a lawn beside garden plants
Rack of red Hunter PGJ replacement nozzles
Rack of red Hunter PGJ replacement nozzles
Black Hunter PGJ sprinkler with red nozzle and riser extended
Hunter PGJ sprinkler watering a lawn beside garden plants
Rack of red Hunter PGJ replacement nozzles

HUNTER PGJ GEAR DRIVE SPRINKLERS

Hunter PGJ Gear Drive Sprinklers for lawn reticulation. Its compact body suits smaller lawns, with interchangeable nozzles for different watering distances. Durable construction supports a long service life. QuickCheck lets you turn the sprinkler head by hand and feel the stops at either end of the watering arc. The removable filter screen can be cleaned if debris builds up.

The Hunter gear drive adjustment tool is required for arc adjustment and is also used for nozzle installation and radius adjustment.

✓ Inlet: 15mm (1/2") BSP female
✓ Coverage: 4.3–10.7 metre radius across nozzle options
✓ Spray Pattern: 40°–360°
✓ Recommended Pressure: 170–380 kPa
✓ Flow: 1.4–16.7 L/min across nozzle and pressure options
✓ Pop-Up Height: 100mm

Service parts include the replacement riser seal and spring seat. Check the seal’s model-identification information before ordering.

Hunter PGJ Gear Drive Sprinkler Specifications
Hunter PGJ Nozzle Performance Guide

More Information
Product Specifications
Black Hunter PGJ sprinkler with red nozzle and riser extended
HUNTER PGJ GEAR DRIVE SPRINKLERS
Black Hunter PGJ sprinkler with red nozzle and riser extended
Hunter PGJ Gear Drive Pop-Up 4" (Radius 4.3m - 10.7m) SPHPGJ
$20.69 /each
Black Hunter PGJ sprinkler with red nozzle and riser extended
Hunter PGJ Gear Drive Pop-Up 4" (Radius 4.3m - 10.7m) - BOX OF 25 SPHPGJBQ
$440.54 /each

Hunter PGJ Gear Drive Sprinklers for lawn reticulation.

Its compact body suits smaller lawn areas, with interchangeable nozzles for different watering distances. Durable construction supports a long service life.

The PGJ provides a 4.3–10.7 metre radius across the supplied nozzle options. Radius is the distance from the sprinkler to the outer edge of the watering pattern. Recommended operating pressure is 170–380 kPa.

The spray arc adjusts from 40° to 360°. The top adjustment screw lets you shorten the watering distance. Choose the nozzle for both watering distance and arc so sprinklers on the same zone apply water at similar rates.

The Hunter gear drive adjustment tool is required for arc adjustment and is also used for nozzle installation and radius adjustment.

The plastic body has a 100mm pop-up height and a 15mm BSP female inlet. Its overall height when retracted is 180mm. The removable filter screen can be cleaned if debris builds up.

QuickCheck lets you turn the sprinkler head by hand and feel the stops at either end of the watering arc.

Nozzle trajectory: Approximately 15°. Eight standard nozzle choices are supplied. The 2.0 nozzle is factory fitted.

Warranty: Two years.

Service parts include the replacement riser seal and spring seat. Check the seal’s model-identification information before ordering.

Hunter PGJ Gear Drive Sprinkler Specifications
Hunter PGJ Nozzle Performance Guide

✓ Product Type and Application
Hunter PGJ Gear Drive Sprinklers.

✓ Dimensions and Connection
Inlet: 15mm (1/2") BSP female.
Pop-up height: 100mm.
Overall body height when retracted: 180mm.
Riser: plastic.

✓ Coverage and Spray Pattern
Radius: 4.3–10.7 metres across nozzle and pressure options. Radius is the distance from the sprinkler to the outer edge of the watering pattern.
Spray arc: 40°–360°.

✓ Pressure & Flow
Recommended pressure: 170–380 kPa.
Operating pressure: 140–700 kPa.
Flow: 1.4–16.7 L/min across the nozzle range.
See ‘Precipitation Rate’ below for how the arc setting affects the amount of water applied across the area.

✓ Nozzles and Performance
Eight standard nozzle choices are supplied. The 2.0 nozzle is factory fitted.
Nozzle trajectory: Approximately 15°.

Standard nozzle options.
Example comparison at 300 kPa, before radius reduction:
0.50 nozzle: 4.6 metre radius; 2 L/min.
0.75 nozzle: 5.2 metre radius; 3 L/min.
1.0 nozzle: 5.8 metre radius; 3.8 L/min.
1.5 nozzle: 6.7 metre radius; 6 L/min.
2.0 (factory fitted) nozzle: 7.6 metre radius; 8 L/min.
2.5 nozzle: 8.5 metre radius; 9.8 L/min.
3.0 nozzle: 9.4 metre radius; 12 L/min.
4.0 nozzle: 10.4 metre radius; 15.7 L/min.

✓ Adjustment
The top adjustment screw lets you shorten the watering distance. Choose the nozzle for the required watering distance, then use the screw to shorten the radius as needed.

✓ Sprinkler Spacing
Spacing is the distance between neighbouring sprinklers.
For head-to-head coverage, each sprinkler throws water far enough to reach the next sprinkler. This overlap helps water the area between them evenly.
Use the actual watering distance after adjustment when planning the spacing.
A square layout places sprinklers on a square grid. A triangular layout uses staggered rows.

✓ Precipitation Rate
Precipitation rate describes how quickly water is applied across the area, measured in millimetres per hour.
For example, with the 2.0 nozzle at 300 kPa, a 180° half-circle arc and sprinklers spaced 7.6 metres apart:
Square layout: 17 mm/hour.
Triangular layout: 19 mm/hour.
At the same pressure, the same nozzle uses essentially the same flow whatever the arc setting. A smaller arc concentrates that water over a smaller area.
Different nozzle sizes can help balance watering between smaller and larger arcs, but they also change the watering distance. Choose nozzles that maintain head-to-head coverage; changing nozzle size alone may not suit an existing layout.
Where suitable nozzle combinations cannot provide similar watering rates, put sprinklers with different watering rates on separate zones so their run times can be set independently.

✓ Operation and Servicing
QuickCheck lets you turn the sprinkler head by hand and feel the stops at either end of the watering arc. The removable filter screen can be cleaned if debris builds up.

✓ Warranty
Two years.

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