Available in single inlet, single width, and double inlet, double width, these fans are equipped with backward inclined, aerodynamically curved vanes of the non-overloading type, giving a quiet, efficient fan with a smooth curve from no load to full load conditions. Available in all drive arrangements and discharge positions.
S.I.S.W. fan showing arrangement 9 Size 465 with motor mounted on pedestal.
Class 1 Size 620 Impeller with standard aerodynamically curved vanes which give efficiency and strength with excess weight.