MBI Centrifugal In-Line Fans

MBI Centrifugal In-Line Fans are designed for residential and light commercial ventilation applications.  These powerful and quiet fans feature a low profile design that is ideally suited for tight spaces.  Multiple source ducting options offer the perfect solution for whole house ventilation in multi-unit housing complexes.  MBI fans are available in 4″, 5″ and 6″ duct diameters, with airflow capacities up to 290 cfm.

Features & Benefits of MBI Centrifugal In-Line Fans

• Steel housing with corrosion resistant finish
• 120V operation (also available in 220V; contact factory for details)
• Removable fan cover for easy maintenance
• Powerful, compact and quiet low profile fan
• Easy to install – mounting bracket included
• Multiple source ducting options
• Fans may be used for supply or exhaust air
• Ideal for long duct runs
• Suitable for air temperatures from -13 F to 140 F
• Energy efficient – speed controllable (optional solid state speed control)
• Exceptionally quiet and efficient Backward-curved (BC) centrifugal fan impeller
• Single-phase asynchronous external rotor motor
• Permanently lubricated ball bearing motors for maintenance-free operation
• Automatic reset thermal overload protection for additional safety
• Precision balanced fan and motor for quiet and vibration-free operation
• Easily accessible, external junction box with pre-wired capacitor
• Available in 4″, 5″ & 6″ duct diameters
• Airflow capacity up to 290 cfm

To complete an installation, consider Continental Fan’s wide variety of fan accessories and controls, and grilles.

Applications for MBI Centrifugal In-line Fans

MBI fans can solve many air moving problems. They are designed to boost airflow through long or complex duct runs. As a result, they provide ideal solutions for areas that are hard to heat or cool.

• Apartment / multi-unit housing ventilation
• Condominium ventilation
• Whole house ventilation
• Medium and large commercial facilities:
  –  Offices
  –  Restaurants
  –  Garages

Airflow Performance (cfm)

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Visit CFM Select to utilize Continental Fan’s state-of-the-art fan selection and quotation platform.

Fan Dimensions

• Select the Charts / Diagrams tab below

Helpful Tips

• MBI fans mount easily to attic joists at any angle.
• Rigid duct has a tendency to echo and magnify fan noise. To minimize sound levels, use flexible insulated duct. (Consult local building codes before selecting duct type)
• To minimize condensation in a duct, use flexible insulated duct when venting bathrooms or other warm or moist areas.

To find the fan that best suits your application, view our full line of in-line fans. From compact 4” AXC in-line centrifugal fans to large 60” AIB tubeaxial fans, and many custom designs in between, CFM in-line fans deliver reliable performance. In addition to in-line fans, Continental Fan offers a variety of residential and commercial ventilation products.