INTELLIGENT AIR

Air pumps for water treatment aeration systems, namely, skid-mounted air moving equipment featuring a variable-vane impeller blower optionally with variable-vane inlet vanes that provides nominally five to nine psig, pounds per square inch gauge, service to low-capacity, subsurface, static-type aeration systems comprised of aerators and aeration piping, for use primarily in municipal and industrial sewage and wastewater treatment