All test data
provided here was done for FAMCO by registered engineers.
It is provided to our customers for use in specifying and training purposes.
"SIZING A FORCED AIR VENTILATION DUCT"


"THE FLOW VERSUS PRESSURE DROP CHARACTERISTICS OF FAMCO WALL AND ROOF VENTS"


"RATING OF GRAVITY ROOF VENTILATOR DRAFT"


ZONE DAMPERS ( Pressure Drop vs. Flow )

BUTTERFLY DAMPERS (Pressure Loss)

