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NCV Series

  • Overview
  • Features & Benefits
  • Specifications
  • Other Info


The Dickow NCV/NCVL Series are inline pumps developed for the chemical, petrochemical and related industries.  Since the pumps are installed inline, only a minimal space is required with no time-consuming alignment of couplings.

With a wide selection of materials and shaft sealing systems, the NCV/NCVL pumps are suitable for handling most liquids, for example: acids, alkalis, hydrocarbons, hot water up to 234°C, hot oil up to 350°C, cooling fluids, solvents etc.  Pumps in the series are capable of operating at a maximum capacity of 140 m³/h and differential head of 90 m.

NCV/NCVL pumps are single stage, single-flow volute casing pumps in vertical construction with inline flange arrangement.  The drive motor is connected with the pump casing by a motor support lantern.  Shaft connections are sealed by confined gaskets, preventing contact of pumped liquid with the pump shaft.

Two different designs are available:

  • NCV: the pump shaft is connected with the motor shaft by a clamping device and secured by a key.  The pump shaft is rigidly clamped to the motor shaft and therefore, guided in the motor bearings.
  • NCVL: the pump shaft has the bearing bracket of a standard horizontal pump.  Power is transmitted from motor shaft to pump shaft by a spacer coupling.  After removal of the spacer, the bearing bracket including shaft seal and impeller can be removed without demounting the motor.  The pump shaft is carried in grease lubricated ball/roller bearings which are held by the bearing bracket.

To minimize thrust load, the impeller is fitted with wear rings and balancing holes in the hub.  The impeller is keyed to the pump shaft and secured by shaft nuts with Heli-Coil insert.  Impellers are properly statically balanced according to DIN ISO 1940 T1 with a grade of G 6.3.  This grants smooth vibration free running.

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