Centrifugal pump STV

for wastewaterwith electric motorstationary

The type STV pump is the vertical variant of the ST pump, with non-clogging and non-stringing two-channel impeller in pot design. The STV is suitable for pumping sewage with coarse solid matter and fibrous content without upstream screen. For horizontal installation check the ST pump model. Overview The STV vertical sewage pump is designed with a bearing bracket for direct drive with electric motor via flexible coupling. Support of the motor via pump casing and motor stool or installation on a separate floor. CHARACTERISTICS Vertical installation Single suction Single stage centrifugal pump Two-channel pot impeller Heavy-duty bearing bracket Radially split Tangential discharge nozzle DESIGN FEATURES Bearing bracket for direct drive by electric motor, via flexible coupling Compact design, for direct coupling with electric motor Back shroud blades on the impeller serve as axial thrust compensation and protection against intrusion of particles into the area of the shaft seal STANDARD CONSTRUCTION MATERIALS Casing: Cast iron GG-25 Wear Ring: Cast iron GG-25 Impeller: Cast iron GG-25 Shaft sealing: PTFE-coated sealing rings with grease lubrication Shaft sleeve: G-X20 Cr14 Seal cover: Steel Pump shaft: Steel C 45 Motor shaft: Steel C 45