• Series 41
  • Model CPF

Backward Inclined Fan

Backward curved centrifugal fans are designed for high-efficiency airflow in demanding applications where smooth, consistent performance is essential. These fans feature blades that curve against the direction of rotation, an innovative design that minimizes air turbulence and reduces energy consumption.

  • CFM: capacities up to 500,000 CFM
  • Static Pressure: up to 40″
  • Temp Range: up to ~2,200 F
  • Fan Size: 12″ to 66″
  • Belt Drive, Direct Drive
  • Material Type: Steel, 304 SST, 316 SST, Alum, Marine, Fiberglass
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  • HARTZELL
  • CINCINNATI FAN
  • IAP
  • DANIELS FANS
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ModelTypeMaterialAirflowStatic Pressure
Series 03Centrifugal Backward Inclined, Backward CurvedCarbon Steel, Stainless Steel, AluminumUp to 169,500 CFMUp to 20” WG
Series 04In-Line Centrifugal Backward Inclined, Backward CurvedCarbon Steel, Stainless Steel, AluminumUp to 75,000 CFMUp to 16” WG
Series 05Industrial Exhauster Fan, Centrifugal Backward InclinedCarbon Steel, Stainless Steel, AluminumUp to 46,000 CFMUp to 46” WG
Series 13Backward Curved Centrifugal Fan, Double WidthCarbon Steel, Stainless Steel, AluminumUp to 186,000 CFMUp to 14” WG
Series 40Fiberglass Inline Centrifugal Blowers Belt DriveFiberglass Reinforced Plastic (FRP)Up to 90,000 CFMUp to 12” WG
Series 41Fiberglass Centrifugal Backward Curved, Airfoil Blades, Backward InclinedFiberglass Reinforced Plastic (FRP)Up to 120,000 CFMUp to 30” WG

Please contact us for details on our full backward curved fan selection, additional models are available!

ModelTypeMaterialAirflowStatic Pressure
Model HDBCBackward Curved CentrifugalStandard: Mild Steel; Optional: Stainless Steel, Coated Steel300 to 45,000 CFMUp to 10 in. WG
Model CPFBackward Inclined Plug FanStandard: Carbon Steel; Optional: Stainless Steel or Aluminum; Special coatings available500 to 40,000 CFMUp to 8 in. WG
Model SQBIBackward Inclined Square Centrifugal FanStandard: Carbon Steel; Optional: Stainless Steel or Aluminum; Special coatings available500 to 40,000 CFMUp to 8 in. WG
Model PBCast Aluminum Pressure BlowerCast Aluminum Housing and Wheel50 to 5,000 CFMUp to 100 in. WG
Model PBSFabricated Steel Pressure BlowerStandard: Fabricated Carbon Steel; Optional: Stainless Steel, Coated Steel100 to 12,000 CFMUp to 100 in. WG

Please contact us for details on our full backward curved fan selection, additional models are available!

ModelTypeMaterialAirflowStatic Pressure
Type B FanBackward Inclined Centrifugal FanCarbon Steel; Optional Materials:Stainless Steel and Aluminum; Special coatings available500 to 100,000 CFMUp to 10 in. WG

Please contact us for details on our full backward curved fan selection, additional models are available!

ModelTypeMaterialAirflowStatic Pressure
Model BIFHigh Temperature Backward Inclined Bladed FanCarbon Steel; Optional Materials:Stainless Steel and Aluminum; Optional coatings availableUp to 100,000 CFMUp to 12 in. WG

Please contact us for details on our full backward curved fan selection, additional models are available!

Things to Consider When Buying Backward Curved Fans

Available in a range of materials including steel, stainless steel, aluminum, and fiberglass, our backward curved fans can be tailored to meet specific environmental and operational needs. They are offered in various configurations such as flange mount, packaged units, swing-out designs, and utility models, backward curved fans are versatile and adaptable to different setups. Depending on the application and existing environment, they can be specified in both clockwise and counterclockwise rotations, ensuring compatibility with various system designs. These fans excel in high-pressure environments, including HVAC systems, air handling units, and ventilation systems. Their energy-efficient design not only reduces operating costs but also ensures reliable, low-noise operation with minimal maintenance, making them an ideal choice for applications where consistent, efficient airflow is critical.

J.E. Phillips Company Serves Backward Curved Fan Application Needs

J.E. Phillips Company meets your specific application needs by working with you to understand your facility and processes. Our team can meet your needs with backward curved fans engineered to suit your specific application or process. We are proud to partner with Hartzell, Cincinnati Fan, IAP, Daniels Fans to offer backward curved fans in configurations to meet a wide array of application needs.