VPV and VPA axial fans have propellers made of aluminum, with adjustable blades in motion, manually or with servomotor and are for air coolers used in refineries and the chemical industry. VT and VPV axial fans can also be made of fiberglass-reinforced polyester vanes. VTs are adjustable to stop and are used for recirculate water cooling towers.
VPV, VPA, VT - Special axial fans-VAP
