Catalog

CENTRIFUGAL UPBLAST DIRECT DRIVE EXHAUST FANS

MAIN TECHNICAL SPECIFICATION

  • Mode: DU-HFA
  • Air Volume: 2 – 24,500 cfm
  • Maximum SP: 3.5″ wg. @ standard air density

FEATURES & BENEFITS

  • Completely enclosed drive compartment protects motor from airborne contaminants
  • Forced fresh air through the motor compartment cools motor and ensures long motor life
  • Variable Speed Control on Single Phase Units Only. (VFDs required to adjust speed for 3 phase versions)
  • Non-overloading backward inclined wheels, blades and inlets fabricated from aluminum
  • Units up to 24″ nominal wheel can be wall mounted
  • Quick release latches allow for easy access to motor compartment. (Size 12 & larger)
  • Standard emergency disconnect switch (Size 12 & larger)

OPTIONS

  • Gravity Damper. (UL705 Only)
  • Motorized Damper. (UL705 Only)
  • Wall Mount Sleeve.
  • Roof Curb. (Vented and Non-Vented)
  • Grease Collection Box. (Size 12 & larger)
  • Bird Screen. (UL705 Only)
  • Base Hinging Kit or Hinged Sub Base. (for NFPA96 compliance)
  • Combination package that includes a supply fan mounted on the same roof curb.
Category:
Centrifugal Upblast Exhaust Fans
Sub-Category:
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FAN MODELCFMWHEEL (")MOTOR (HP)HTWBCFRROWEIGHT (lb)DE
DU10HFA2-55092/2514-1/217-3/42199 1/28 1/8133017-1/212
DU12HFA50-75010.50.18182221914 1/210 5/8134017-1/212
DU30HFA250-125011.751/425-1/425-1/222118 1/212 1/8165019-1/212
DU33HFA400-140011.751/325-1/425-1/222118 1/212 1/8165019-1/212
DU50HFA600-210013.751/227-1/428-7/822121 1/213 1/4165519-1/212
DU85HFA800-340015.753/430-1/231-7/8224-3/42314 7/820602312