Rodelta CVP (Concrete Volute Pump)

Features: CVP (Concrete Volute Pump)

• Corrosion resistance concrete volute pump casing and few metal parts in contact with pump liquid reducing material cost in corrosive/erosive applications (e.g. seawater)
• Space saving construction (pit depth, hoisting length/building height) compared with vertical turbine pumps
• Less vibration due to robust design with casing of concrete
• Low noise
• Low inspection and maintenance cost
• Fish friendly version available
• More information on constuctional features CVP (pull-out unit)

Specifications:

• Delivery size up to 2500mm
• Capacity up to 150000m3/hr
• Head up to 50m
• Suitable for liquid Temperature: Up to 50ºC
• Sealing Arrangement: Stuffing box / Liquidyne

Applications:

• Flood control
• Drainage- or irrigation pumps
• Intake station drinking water.
• Intake desalination plants
• Cooling water pumps in thermal and nuclear power stations.
• Dry-dock

Constructional features:

Pumpcasing
The CVP (Concrete Volute Pump) casing and suction are made of pre-fabricated concrete material and supplied by the pump supplier.

Impeller & shaft
The impeller is closed or open type mounted to the pump shaft.

Thrust bearing assembly
The axial thrust bearing assembly provided with radial roller and spherical thrust bearing.

Concrete Volute Parts
At very high liquid speeds, the concrete pre-fab volute can be equipped with a cutwater liner.

Discharge metal part (optional)
The discharge metal part is optional and connecting the rectangular volute out to the round discharge piping.

More useful CVP information:

• Principles and design aspects for CVP pump stations.
• Benefits of CVP (Concrete Volute Pumps) and pre-fab.
• Solutions for stormwater and flooding management challenges.
• Constructional features CVP pull-out unit.
• CVP animation on Youtube (Rodelta)
  
• Advantages Concrete Volute Pump (CVP) compared to a Vertical Turbine Pump (VTP).