CUD Direct Drive Upblast Exhaust Fans

Stainless steel upblast roof exhaust fan with dome damper mounted on square base plate, industrial ventilation equipment
Technical specifications table showing dimensions in inches for six CUDA cushion models, including height, width, depth, and other measurements, with weight and damper square data
Technical engineering drawings showing top and isometric views of an industrial sink or basin unit with dimensions, sperse drain, curb options, and 20 gauge steel construction details

Specifications

  • Fan / Motor Type: AC Fan / Motor
  • Impeller Type: Backward curved (BC), Centrifugal Impeller
  • Impeller Material: Aluminum
  • Housing Material: Aluminum
  • Drive: Direct Drive
  • Phase: Single Phase, Three Phase
  • Other Feature: Speed Controllable
View Spec Sheet (PDF)

CUD direct drive upblast exhaust fans are designed to discharge contaminated exhaust air away from roof surfaces and building walls. These centrifugal fans provide quiet operation, within a weather-resistant spun aluminum housing. CUD fans are suitable for a variety of commercial wall or roof mounted applications, including warehouse ventilation, equipment room ventilation, general ventilation, commercial range hood exhaust, and much more.

For a commercial restaurant exhaust application, a UL762 restaurant exhaust kit must be used with a CUD direct drive upblast exhaust fan . Kits include a grease cup, grease pipe, down spout, and hinge kit. UL762 restaurant exhaust requires the use of a vented roof curb. 20″ high roof curbs are available for this application.

Features and Benefits of CUD Direct Drive Upblast Exhaust Fans

  • Suitable for roof or wall mount
  • Direct drive operation
  • Backward inclined, non-overloading wheels
  • Spun aluminum housing for weather-resistant durability
  • Fully enclosed drive compartment protects motor from airborne contaminants
  • Fully ventilated motor cooling compartment for long motor life
  • Quick release latches for easy access to motor compartment
  • Blades and inlet fabricated from aluminum
  • Variable speed control (standard on single phase units only)
  • Disconnect switch
  • Fully welded leak-proof grease drain (except for model CUD-10)
  • 300 F max. temperature rating (except for model CUD-10)
  • Available in 115V single phase, consult factory for EC motors
  • Capacities to 3,200 cfm

Accessories / Options

  • Gravity damper
  • Motorized damper
  • Bird screen
  • Wall mount brackets, choose from 2″ or 5″ deep
  • Roof curb
    • 20 gauge steel construction
    • 12″ or 20″ high

Note: The following accessories cannot be used with UL762 restaurant exhaust applications: gravity or motorized dampers and bird screens.

Applications for CUD Direct Drive Upblast Exhaust Fans

  • Warehouse ventilation
  • Equipment room ventilation
  • General ventilation
  • Commercial range hood exhaust

Airflow Performance (cfm)

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For complete performance, select the PDF BROCHURE below.

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Fan Dimensions

  • Select Charts / Diagrams tab below

See our full line of roof exhaust fans or wall exhaust fans designed for commercial ventilation applications.