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
FAN MODEL | CFM | WHEEL (") | MOTOR (HP) | HT | W | B | C | F | R | RO | WEIGHT (lb) | D | E |
DU10HFA | 2-550 | 9 | 2/25 | 14-1/2 | 17-3/4 | 2 | 19 | 9 1/2 | 8 1/8 | 13 | 30 | 17-1/2 | 12 |
DU12HFA | 50-750 | 10.5 | 0.18 | 18 | 22 | 2 | 19 | 14 1/2 | 10 5/8 | 13 | 40 | 17-1/2 | 12 |
DU30HFA | 250-1250 | 11.75 | 1/4 | 25-1/4 | 25-1/2 | 2 | 21 | 18 1/2 | 12 1/8 | 16 | 50 | 19-1/2 | 12 |
DU33HFA | 400-1400 | 11.75 | 1/3 | 25-1/4 | 25-1/2 | 2 | 21 | 18 1/2 | 12 1/8 | 16 | 50 | 19-1/2 | 12 |
DU50HFA | 600-2100 | 13.75 | 1/2 | 27-1/4 | 28-7/8 | 2 | 21 | 21 1/2 | 13 1/4 | 16 | 55 | 19-1/2 | 12 |
DU85HFA | 800-3400 | 15.75 | 3/4 | 30-1/2 | 31-7/8 | 2 | 24-3/4 | 23 | 14 7/8 | 20 | 60 | 23 | 12 |