HUNTER MP820 210°–270° FEMALE-THREADED ROTARY NOZZLE

Hunter MP820 210°–270° Female-Threaded Rotary Nozzle for lawn and garden irrigation with adjustable part-circle coverage. Multiple rotating streams provide even coverage and help resist wind drift. The MP800 family applies water faster than Standard MP Rotators, making it useful where watering time is limited, while applying water more slowly than traditional spray nozzles. The adjustment ring sets the spray arc. The top adjustment screw lets you shorten the watering distance. Sprinkler body sold separately.

✓ Coverage: 6.7 metre radius at 280 kPa pressure
✓ Spray Pattern: Adjustable 210°–270°
✓ Flow: 8.93–11.35 L/min at 280 kPa pressure
✓ Recommended Pressure: 280 kPa
✓ Compatibility: Female nozzle thread suits Hunter Pro-Spray sprinkler bodies

The Hunter MP Rotator adjustment tool helps turn the radius adjustment screw and grip the arc adjustment ring on adjustable-arc models.

Hunter MP Rotator Nozzle Specifications & Performance Charts
Hunter MP Rotator Nozzle Brochure
Hunter MP Rotator Nozzle System Design Guide
Hunter MP Rotator Nozzle Reference Card

Hunter MP820 210°–270° Female-Threaded Rotary Nozzle for lawn and garden irrigation with adjustable part-circle coverage.

Multiple rotating streams provide even coverage and help resist wind drift. The MP800 family applies water faster than Standard MP Rotators, making it useful where watering time is limited, while applying water more slowly than traditional spray nozzles.

At 280 kPa pressure, the nozzle waters a 6.7 metre radius.
Flow is 8.93–11.35 L/min at 280 kPa, depending on the arc setting.

The double-pop design helps protect the nozzle from dirt and debris during startup. The adjustment ring sets the spray arc. The top adjustment screw lets you shorten the watering distance.

The Hunter MP Rotator adjustment tool helps turn the radius adjustment screw and grip the arc adjustment ring on adjustable-arc models. Female nozzle thread suits Hunter Pro-Spray sprinkler bodies. Sprinkler body sold separately. The nozzle can also be used with matching shrubhead adaptors where pop-up is not required, typically installed on top of a riser.

Model: MP-820-210. Colour coding: Green model identifier; grey body and top retainer identify the MP800 family.

Warranty: Three years.

Hunter MP Rotator Nozzle Specifications & Performance Charts
Hunter MP Rotator Nozzle Brochure
Hunter MP Rotator Nozzle System Design Guide
Hunter MP Rotator Nozzle Reference Card

✓ Product Type and Application
Hunter MP820 210°–270° Female-Threaded Rotary Nozzle for lawn and garden irrigation with adjustable part-circle coverage.
A rotary nozzle fits onto a compatible sprinkler body and sends out streams of water that rotate across the watering area.

✓ Watering Performance and Benefits
Wind resistance: Multiple rotating streams resist wind drift and reduce misting, helping maintain even coverage in exposed areas.
Even watering: Streams at different trajectories distribute water across the watering area.
Watering time: Applies water faster than Standard MP models, which can help where watering time is limited, while applying water more slowly than traditional spray nozzles.

✓ Coverage and Spray Pattern
Radius: 6.7 metres at 280 kPa pressure, before radius reduction.
Radius is the distance from the sprinkler to the outer edge of the watering pattern.
Radius range: 4.6–7.3 metres.
Spray pattern: Adjustable 210°–270°.

✓ Pressure & Flow
Recommended operating pressure: 280 kPa.
Maximum continuous nozzle pressure: 380 kPa.
Flow: 8.93–11.35 L/min at 280 kPa, depending on the arc setting.

✓ Arc Adjustment
The spray arc is how far around the sprinkler the water sprays.
Set the spray arc with the adjustment ring while the sprinkler is operating. Turn clockwise to increase the arc or counterclockwise to decrease it. Use the Hunter MP Rotator Adjustment Tool (MPTOOL) if required.

✓ Radius Reduction
Use the Hunter MP Rotator Adjustment Tool (MPTOOL) or a small flathead screwdriver on the top adjustment screw. Turn clockwise to reduce radius and counterclockwise to increase it. Radius reduction is up to approximately 25%.

✓ Precipitation Rate
Precipitation rate describes how quickly water is applied across the area, measured in millimetres per hour.
At 280 kPa with a 270° arc setting:
Square spacing: 20mm/hour.
Triangular spacing: 23mm/hour.
Spacing: 50% of the diameter of throw.
MP800-family rate: Approximately 20mm/hour. Keep MP800 on separate zones from Standard MP Rotators, which apply approximately 10mm/hour.

✓ Automatic Matched Precipitation
Flow adjusts as arc and radius change to help maintain the MP800 precipitation rate.

✓ Debris Protection and Filtration
Double-pop design keeps the nozzle protected until the sprinkler riser has fully extended. A removable filter screen helps prevent clogging and allows cleaning.

✓ Connection and Compatibility
Female nozzle thread suits Hunter Pro-Spray sprinkler bodies. Sprinkler body sold separately. The nozzle can also be used with matching shrubhead adaptors where pop-up is not required, typically installed on top of a riser.

✓ Detailed Performance Examples
With a 210° arc setting:
210 kPa: 6.1 metre radius; 7.34 L/min.
250 kPa: 6.4 metre radius; 7.92 L/min.
280 kPa: 6.7 metre radius; 8.93 L/min.
300 kPa: 6.7 metre radius; 9.02 L/min.
350 kPa: 7.0 metre radius; 9.54 L/min.
380 kPa: 7.3 metre radius; 10.06 L/min.

With a 270° arc setting:
210 kPa: 6.1 metre radius; 9.58 L/min.
250 kPa: 6.4 metre radius; 10.36 L/min.
280 kPa: 6.7 metre radius; 11.35 L/min.
300 kPa: 6.7 metre radius; 11.81 L/min.
350 kPa: 7.0 metre radius; 12.49 L/min.
380 kPa: 7.3 metre radius; 13.16 L/min.

✓ Pressure Regulation
Hunter Pro-Spray PRS40 regulates pressure to 280 kPa for normal radius settings. PRS30 regulates pressure to 210 kPa for minimum radius settings, used with radius adjustment.

✓ Identification
Model: MP-820-210.
Colour coding: Green model identifier; grey body and top retainer identify the MP800 family.

✓ Warranty
Three years.

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