31223‑CW‑HD, Fan Blade, 12" Diameter, 23° Pitch, CW Rotation

This heavy‑duty fan blade is designed for free‑air applications, featuring a three‑blade configuration with interchangeable hex hubs for versatile mounting.

KEY FEATURES

• Part Number: 31223‑CW‑HD

• Number of Blades: 3

• Diameter: 12"

• Pitch: 23°

• Rotation: Clockwise

• Interchangeable Hex Hubs (sold separately):

– 5/16" Bore: Part #93-217-002

– 3/8" Bore: Part #93-217-003

– 1/2" Bore: Part #93-217-004

– 5/8" Bore: Part #93-217-005

• Free‑Air Performance (at 1725 RPM): 1040 CFM, 0.050 HP

• Free‑Air Performance (at 1550 RPM): 980 CFM, 0.040 HP

• Free‑Air Performance (at 1140 RPM): 740 CFM, 0.013 HP

• Free‑Air Performance (at 1050 RPM): 637 CFM, 0.130 HP