
Lwba-225mm AC Backward Centrifugal Fan, 115V 230V Centrifugal Blower Fan for Duct Mounting, Centrifugal Fan with Ball Bearing for Air Purifier. High Pressure Airflow: Static pressure spans 165-788 Pa and air volume spans 618-1318 m3/h across the 225mm AC range, matching output to your duct resistance. AC Capacitor Motor: Runs on a 115V/230V AC capacitor motor with optional 1-2-3 speed control, giving built-in speed steps without a separate speed controller. Plastic Plus Glass-Fiber Impeller: Blade and housing use Plastic+GF composite; the external rotor motor sits inside the hub with no separate housing at the inlet. Duct-Mount Inlet Ring: Ships as a duct fan with a 210mm inlet ring (four mounting holes) on a 225mm mounting plate, bolting straight into your ventilation unit. Application Fit: Suited to ventilation systems, air purifiers, and equipment or data center cooling cabinets, so one impeller platform covers several equipment lines. Custom Wire and OEM Options: Standard 500mm lead wire is adjustable to your length, with OEM/ODM label and design changes available on request. Fast Turnaround: Customized samples ship in 1-3 weeks, with first production batches ready in 30-45 days after sample approval.