Grundfos CRIE311ACAAE Vertical multistage pump

• Boosting water pressure in industrial systems.
• Circulating liquids in heating and cooling applications.
• Water treatment and filtration processes.
• Transferring various fluids in light industrial and food processing settings.
• Irrigation and water supply for agricultural or large-scale commercial use.

Typical capacity

For this class of Grundfos CRIE pumps, flow rates commonly range from 10 to 40 m³/hr, depending on the specific model variant and head requirements.

Power supply

Units of this type typically operate on a three-phase electrical supply, commonly 400V, 50Hz, with integrated frequency converters allowing for variable speed control.

Motor power

Motor power for CRIE 3-series pumps generally falls within the 2.2 kW to 7.5 kW range, influenced by the required head and flow.

Contact materials

As stated, all contact parts are stainless steel, which is standard for hygienic applications and corrosion resistance in many industrial fluids.

Operating pressure

Maximum operating pressures for CRIE pumps can typically reach up to 16-25 bar, depending on the specific model and stage configuration.

Temperature range

Commonly, these pumps are designed to handle liquid temperatures from -20°C to +120°C, suitable for a wide range of industrial processes.

• What are the benefits of a vertical multistage pump?

  Vertical multistage pumps offer a compact footprint, high-pressure capabilities from multiple impellers, and efficient operation, making them suitable for applications requiring high head with moderate flow.

• What does 'built-in frequency converter' mean for this pump?

• Is this pump suitable for food processing applications?

• What kind of maintenance does a pump like this typically require?

• How does the 'unused in box' condition affect its suitability?

Centrifugal pumps are widely regarded as reliable workhorses in laboratory and pharmaceutical applications. Buyers typically value their smooth operation, low maintenance requirements, and consistent performance across diverse fluid handling tasks. When purchasing used models, buyers commonly prioritize checking seal condition, impeller integrity, and motor functionality. Industry sentiment favours units from established manufacturers with documented service histories. Key strengths include durability, cost-effectiveness compared to new equipment, and suitability for both routine and demanding applications.

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