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Small 8-inch aluminium propeller with five blades set at a 30-degree pitch, hubless centre, clockwise rotation, silver metallic finish

Dayton

Dayton 2PYU1 8 in 30° 5-blade aluminium propeller

SKU CH-XHTF-EZ1D1

Replacement aluminium propeller with five blades, 30-degree pitch and 400 CFM airflow at zero static pressure

  • typeReplacement
  • 8 in diameter fits compact fan housings
  • 5 aluminium blades deliver 400 CFM airflow
  • 30 degree pitch optimises air movement
  • Clockwise rotation matches motor discharge direction
  • 1/185 HP motor requirement suits low-power units

8 in 30° 5-blade aluminium propeller

The Dayton 2PYU1 is an 8 inch aluminium propeller with a 30 degree pitch and five blades. It is designed as a direct replacement for compatible ceiling fan motors. The hubless bore allows installation on shafts that match the original specification. Clockwise rotation when facing the discharge moves air in the intended direction.

Suited for restoring original airflow

This propeller suits owners who need to replace a damaged or missing 8 inch, 30 degree pitch aluminium prop on an existing Dayton or compatible ceiling fan. It delivers 400 cfm at zero static pressure when driven by a 1/185 hp motor up to 1,550 rpm. Builders looking for a different diameter, blade count, pitch angle or blade material should look at other listings.

30 degree pitch at 1,550 rpm max

The 30 degree blade pitch combined with a maximum speed of 1,550 rpm determines the airflow curve and motor load. Confirm that the original fan specifies this pitch and speed rating before ordering. A mismatch will change the cfm output and can overload the motor.

Highlights

  • 8 in diameter fits compact fan housings
  • 5 aluminium blades deliver 400 CFM airflow
  • 30 degree pitch optimises air movement
  • Clockwise rotation matches motor discharge direction
  • 1/185 HP motor requirement suits low-power units

Specifications

BrandDayton
typeReplacement

Questions about this item

How do I install the hubless 8 in propeller and what step is most often missed?

Slide the hubless 8 in propeller onto the motor shaft, align the 30° pitch blades for clockwise rotation facing discharge, then secure the set screw; the step most often missed is confirming the motor does not exceed 1/185 HP and 1,550 RPM before tightening.

What maintenance or replacement will the aluminium 5-blade propeller need over time?

Inspect the aluminium blades for fatigue cracks or corrosion at each cleaning interval; replace the propeller if blade width wears below 1 1/4 in or if vibration appears at 400 cfm output.

What is the first performance limit reached during continuous operation at 1,550 RPM?

The 1/185 HP motor rating is the first limit; sustained running at 1,550 RPM with 30° pitch blades will hit that horsepower ceiling before airflow drops below 400 cfm at .000 in. SP.

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