Positive Displacement BlowerNational Vacuum Equipment Challenger 4310
The Challenger 4310 from National Vacuum Equipment is a quiet, environmentally friendly machine that offers a ballast cooling and porting design to allow for continuous pumping at full vacuum without overheating. It is capable of airflow to 940 cfm at 4,500 rpm with no oil mess. It is a tri-lobe design with precision machining and includes a ballast port manifold that cools the blower through air injection. It provides a range of airflow options with performance available to accommodate needed power. It includes 4-inch hose connections with barbed adjustable porting for intake and exhaust. An
