Rain Bird 6504 sprinkler with riser extended
Rain Bird 6504 sprinkler with riser extended
Rain Bird 6504 sprinkler with riser extended

RAIN BIRD FALCON 6504 POP-UP ROTOR

Rain Bird Falcon 6504 Pop-Up Rotor for larger turf irrigation. Its three-port Rain Curtain nozzles spread water close to the sprinkler, through the middle of the throw and out to the edge. A heavy-duty spring helps retract the riser after watering, while the wiper seal helps keep debris out.

✓ Inlet: 25mm (1") female threaded
✓ Coverage: 11.3–19.8 metre radius across nozzle options
✓ Spray Pattern: 40°–360° adjustable part-circle model
✓ Operating Pressure: 210–620 kPa
✓ Flow: 10.8–82.2 L/min across nozzle and pressure options
✓ Pop-Up Height: 102mm

Rain Bird Falcon 6504 Sprinkler Specifications

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Product Specifications
Rain Bird 6504 sprinkler with riser extended
RAIN BIRD FALCON 6504 POP-UP ROTOR
Rain Bird 6504 sprinkler with riser extended
Sprinkler Rain Bird 6504 Series FALCON Part Circle 4" Gear Drive Plastic SPR6504FPCPL
$98.03 /each

Rain Bird Falcon 6504 Pop-Up Rotor for parks, playing fields and large turf areas.

Its three-port Rain Curtain nozzles spread water close to the sprinkler, through the middle of the throw and out to the edge. A heavy-duty spring helps retract the riser after watering, while the wiper seal helps keep debris out.

The nozzle choices provide an 11.3–19.8 metre radius. Radius is the distance from the sprinkler to the outer edge of the watering pattern. Operating pressure is 210–620 kPa.

Adjust the arc from the top using a flat-blade screwdriver. 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 Seal-A-Matic check device holds back up to 3.1 metres of elevation to reduce low-head drainage. A water-lubricated gear drive and stainless steel trip gears provide durable operation.

The plastic riser raises the nozzle 102mm above the cover. The body is 216mm tall when retracted, with a 25mm (1") female threaded inlet.

Warranty: Five-year trade warranty.

Rain Bird Falcon 6504 Sprinkler Specifications

✓ Product Type and Application
Rain Bird Falcon 6504 Pop-Up Rotor.

✓ Dimensions and Connection
Inlet: 25mm (1") female threaded.
Pop-up height: 102mm, measured to the nozzle centre.
Overall body height when retracted: 216mm.
Riser: plastic.

✓ Coverage and Spray Pattern
Radius: 11.3–19.8 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° adjustable part-circle model.

✓ Pressure & Flow
Operating pressure: 210–620 kPa.
Model-family flow range: 10.8–82.2 L/min; flow varies with nozzle and pressure.
See ‘Precipitation Rate’ below for how the arc setting affects the amount of water applied across the area.

✓ Nozzles and Performance
Nozzle trajectory: 25°.

Low-flow and standard-flow nozzle options.
Example comparison at 450 kPa, before radius reduction:
4 nozzle: 12.5 metre radius; 15.94 L/min.
6 nozzle: 14.6 metre radius; 23.33 L/min.
8 nozzle: 15.5 metre radius; 32.43 L/min.
10 nozzle: 17.1 metre radius; 39.44 L/min.
12 nozzle: 17.7 metre radius; 48.17 L/min.
14 nozzle: 18.6 metre radius; 55.38 L/min.
16 nozzle: 19.2 metre radius; 61.82 L/min.
18 nozzle: 19.5 metre radius; 67.12 L/min.

✓ Radius Adjustment
The nozzle-retaining screw adjusts the watering distance. Use the nozzle size and pressure that suit the required coverage.

✓ 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 10 nozzle at 450 kPa, a 180° half-circle arc and sprinklers spaced 17.1 metres apart:
Square layout: 16 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
The Seal-A-Matic check device holds back up to 3.1 metres of elevation to reduce low-head drainage. A water-lubricated gear drive and stainless steel trip gears provide durable operation.

✓ Supply Configuration
SAM check device is included.

✓ Warranty
Five-year trade warranty.

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