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Dayton rectangular OEM blower in steel finish, assembled with forward-curved wheel

Dayton

Dayton 70213469J Rectangular OEM Blower 3461 RPM

SKU CH-KTTH-Q8BSJ

Direct-drive OEM blower delivers up to 148 cfm airflow at 3461 RPM with forward-curved wheel

  • typeHigh Temperature
  • High airflow at 148 cfm with zero static pressure
  • Maintains 114 cfm even at 0.500 in SP resistance
  • Direct-drive design eliminates belt wear and maintenance
  • 3461 RPM motor speed delivers strong air movement
  • Forward-curved wheel optimises pressure for ducted systems

Dayton 70213469J Rectangular Blower

The Dayton 70213469J is a rectangular OEM blower designed for direct-drive installation in equipment that requires forward-curved wheel airflow. It suits technicians and builders integrating ventilation into cabinets, enclosures or machinery where a compact assembled unit is specified.

Airflow Limits at Static Pressure

Airflow declines as static pressure rises: 148 cfm at .000 in SP, 141 cfm at .100 in SP, 137 cfm at .250 in SP, 121 cfm at .400 in SP and 114 cfm at .500 in SP. The forward-curved wheel delivers peak volume at free air and loses capacity progressively through the pressure range.

Installation Notes and Common Issues

The blower arrives assembled with its drive package included, so mounting and wiring are the only steps required. Direct-drive construction removes belt alignment but demands secure shaft coupling and vibration isolation; loose fasteners or restricted inlet ducting are the typical causes of noise or reduced output.

Highlights

  • High airflow at 148 cfm with zero static pressure
  • Maintains 114 cfm even at 0.500 in SP resistance
  • Direct-drive design eliminates belt wear and maintenance
  • 3461 RPM motor speed delivers strong air movement
  • Forward-curved wheel optimises pressure for ducted systems

Specifications

BrandDayton
typeHigh Temperature

Questions about this item

Which airflow rating should I use to size this 3461 RPM blower for my ductwork?

Use the static-pressure curve: 148 cfm at .000 in SP, 141 cfm at .100 in SP, 137 cfm at .250 in SP, 121 cfm at .400 in SP, and 114 cfm at .500 in SP.

What does 3461 RPM mean for actual airflow once the blower is installed?

At 3461 RPM the wheel delivers up to 148 cfm in free air, dropping to 114 cfm when the system reaches .500 in SP.

How does the direct-drive design affect the blower's pressure capability?

Direct drive couples the motor shaft to the 3 3/4 in forward-curved wheel, giving the listed airflow steps from .000 to .500 in SP without belt losses.

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