Series AV is offered in diameters up to 18' in 11 different blade profiles. Constructed of extruded aluminum or pultruded fiberglass-reinforced polyester, each blade is connected to the bearing block with a steel flange or pillow block. Automatic variable-pitch fans are offered on “B” (flexi) and “M” (rigid) hub designs. Both clockwise and counter-clockwise configurations are offered in standard and reverse-mounting types. The pneumatic actuator provides a linear, hysteresis-free response to the input (signal) pressure.
Cofimco USA Inc., (281) 275-8390