DSV Vertical Process Pump

The type DSV is a heavy-duty, vertical double suction, twin volute, single stage centrifugal design. The DSV pump has good NPSH characteristics and is ideal for open sumps, channels, lakes and rivers.

Operation limits

Capacity 340 to 11,360 m³/h (1,500 to 50,000 gpm)
Head 170 to 650 m (40 to 600 ft)
Maximum Pressure up to 19 bar (280 psi)
Temperature up to 150 °C (302 °F)
Discharge flanges 12 in to 36 in
Applications Cooling towers and other applications requiring large volumes of liquid with relative high head, Raw water intake.
Categories

The single impeller develops the higher heads and capacities without the need for additional stages. This minimizes the number of wearing parts, resulting in easier maintenance and positive alignment. Unlike the vertical turbine pump, this completely eliminates the use of intermediate bowl bearings, which are vulnerable when handling abrasive liquids.

Without the restriction of narrowest possible diameter as for well pumps, the twin volute has larger waterways and low liquid velocities, which also reduces abrasive wear and minimizes corrosion and erosion effects.

CHARACTERISTICS
  • Twin volute case
  • Enclosed double-suction Impeller
  • Flared Bell that directs the liquid into the impeller
  • Casing wear rings closely fitted to minimize the return of liquid
  • Bell bearings located in the suction bells
  • The transition diffuser provides a smooth hydraulic flow from the volute to the column pipe
PRODUCT DESCRIPTION
  • Vertical space saving construction
  • Above or below base discharge
  • Oil lubricated column, or it may be forced lubricated by the pumped liquid
  • Packed stuffing box or mechanical seal
  • Optional renewable impeller wear rings may be provided

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