Model HP-I: High Pressure Blower

Cincinnati Fan manufactures five models of the Model HP-I High Pressure Blower, each available with multiple wheel sizes. These fans feature continuously welded heavy gauge steel housings with removable inlet and drive side plates.

The Model HP-I include spark resistant, cast aluminum or optional fabricated steel wheels, and Teflon shaft seals. It is also available in all aluminum or all stainless steel construction.

This blower is available in AMCA A, B, or C spark resistant construction.


• Capacities up to 1,200 CFM and 30″ SPWG
• Standard construction, air stream temperatures up to 200°F (93°C)
• Optional high-temperature construction, temperatures up to 400°F (204°C)


CFM, Temperature, or Pressure: See Model HP-II or Model RBE




  • Continuous welded housings and teflon shaft seals to prevent air leakage.
  • Cast aluminum wheels for AMCA Type C spark resistance. With the addition of an aluminum shaft sleeve, they are AMCA Type B spark resistant. AMCA Type A also available.
  • Two wheel sizes per model for more airflow selections with direct drive arrangements.
  • Discharge flanges are standard.
  • Blower housing is reversible and rotatable in 45° increments.
  • Removable inlet & drive side plates allow wheel or motor, or shaft & bearings on belt driven models, to be removed without disconnecting inlet or discharge connections.
  • All fans receive a mechanical run test to ensure proper balance and alignment before shipping.
  • Arrangement 9 units come standard with belt guards.
  • Also available in all aluminum or stainless steel construction.


  • Rugged Construction: Housing is 10-gauge steel and continuously welded to prevent leakage. Fan bases are 10-gauge steel to prevent pulsation at all conditions. Less field problems.
  • Spark Resistant: The cast aluminum wheel is standard so the blower is AMCA Type C spark resistant. With the addition of an aluminum ring around the shaft opening, it will be AMCA Type B spark resistant. AMCA Type A is also available. Less expensive than the competition.
  • Standard Features: All models come with Teflon shaft seals to minimize leakage and discharge flanges drilled to ASA, 150-pound, and ANSI, 125-pound standard pipe sizes at no additional cost. No additional cost.
  • Rotatable Housings: All models have housings that can be reversed and/or rotated in 45° increments in the field. Allows for field conversion without replacing the blower.
  • Ease of Maintenance: Replacing a wheel, motor, or shaft and bearings on belt driven models, is easily accomplished without disturbing the inlet or discharge pipe connections. Minimizes extended downtime.
  • Quality Components: All belt driven radial blower models have self-aligning, cast iron, re-lubricatable, pillow block bearings sized for a minimum 150,000 hours average life. All fan shafts are turned, ground and polished and coated with a high quality rust preventative before shipment. Long dependable service.

Arrangement 1 – Belt Drive

Arrangement 4 – Direct Drive

Arrangement 9 – Belt Drive

Cast Aluminum Wheel

Shaft Guard

Inlet Filter

Inlet Flange

Drain Connection
  • Combustion air
  • Blow-off
  • System pressurization
  • Pneumatic conveying


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