

Spencer Blower Models
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Standard Overhung Multi-Stage Centrifugal |
Our most popular design, with impellers mounted on an extended motor shaft. Simple two-bearing design reduces maintenance.
Pressure to 5.5 PSIG; volume to 7,000 ICFM; power to 150 HP.
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Four Bearing Overhung Multi-Stage Centrifugal |
Impellers are mounted on the blower shaft, which is coupled to a standard shaft motor. Rotating elements are supported by a rigid bearing bracket. Also available in belt drive.
Pressure to 8 PSIG; volume to 9,000 ICFM; power to 300 HP.
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Four Bearing Outboard Multi-Stage Centrifugal |
For higher pressure applications. Impellers are mounted between supporting bearings. The blower is coupled to a standard shaft motor.
Pressure to 20 PSIG; volume to 15,000 ICFM; power to 1250 HP.
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Power Mizer?High Efficiency Multi-Stage Centrifugal |
Made with rugged cast components for extra-heavy-duty service. Unique three-dimensional bladed impellers and other advancements produce high operating efficiency and energy savings.
Pressure to 20 PSIG; volume to 25,000 ICFM; power to 2000 HP.
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Single-Stage Centrifugal |
Scroll design blowers, either medium-duty for low pressure requirements or heavy-duty RB type for higher performance. Impeller is mounted on the blower shaft. Also available in Arrangement 8 (four bearing overhung) and Arrangement 9 (belt drive) configurations.
Pressure to 3.5 PSIG; volume to 50,000 ICFM; power to 800 HP.
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Vortex?Regenerative (side channel) |
Compact design featuring TEFC or explosion-proof motors with quiet operation and stable airflow. Choice of direct drive or belt drive. Special seals and coatings are available.
Pressure to 3.6 PSIG; volume to 600 ICFM; power to 15 HP.