Brandt NOV HS-3400 decanter centrifuge.  Recently rebuilt, used on wastewater with less than 200 hours on it before customer upgraded to a larger three-phase decanter (tricanter).  Tiled conveyor.  125:1 ratio gearbox.  This unit can be powered up and test ran for an on-site inspection.   40 horsepower TEFC motor, dual-voltage 220-460V.  F.O.B. – Philadelphia, PA.  A wall-mounted 40 HP VFD with the interlocks for the vibration switch and trip-arm limit switch to operate the centrifuge are also available.