QUICKSHIP Program - Twin City Fan & Blower

GRV
Gravity Relief / Intake Ventilator
Application
Low silhouette spun aluminum gravity ventilator
designed to match the appearance of spun aluminum
power roof ventilators. Provides natural gravity
ventilation and may also be used as an intake if
sized properly.
Sizes
9" to 48.3" square throat sizes
Performance
Relief – Airflow to 25,100 CFM
Intake – Airflow to 23,000 CFM
Static pressure to 0.375" w.g.
A Dia.
Literature (Available at www.tcf.com)
Catalog 4700
Installation and Maintenance Manual - IM-4700
B
E Square
SIZE
STOCK
AVAILABILITY 1
FAN DIMENSIONS
TYPE 48-HOUR 5-DAY 10-DAY A B E
090B A ü ü ü 22.50 8.25 16.50
120B A ü ü ü 27.50 11.25 24.00
160B A ü ü ü 27.50 12.25 24.00
180B A ü ü ü 32.25 12.25 29.50
210B A ü ü ü 32.25 12.75 29.50
240B A ü ü ü 40.50 16.00 35.50
270B A ü ü ü 40.50 16.50 35.50
300B B ü ü ü 50.00 19.00 42.50
320B B ü ü ü 50.00 19.50 42.50
360B B ü ü ü 50.00 19.50 42.50
420B B ü ü ü 60.00 21.50 52.00
480B B ü ü ü 74.00 27.25 58.00
NOTES:
1. Availability is in working days.
2. Roof curbs will ship with ventilator(s) on
QuickShip Program.
3. For intake units, a minimum curb height of
12" is recommended.
4. Curb hinge for use with canted curbs only.
FAN ACCESSORY
AVAILABILITY 1
48-HOUR 5-DAY 10-DAY
Roof Curbs 2, 3 8" Self Flashing — — ü
8" Galv. Canted ü ü ü
12" Galv. Canted ü ü ü
12" Self Flashing ü ü ü
Aluminum, any Style/Ht — — ü
Backdraft Dampers
Gravity ü ü ü
Mortorized ü ü ü
Curb Hinge 4 ü ü ü
Aluminum Birdscreen — ü ü
Insect Screen (aluminum) ü ü ü
14 Twin City QuickShip Catalog 4900