NEMO® BF Open Throat Progressing Cavity Pump

NEMO® BF Open Hopper Pumps

The NEMO® BF open hopper pump is used in all industrial markets to provide continuous, pressure-stable, gentle and low-pulsation handling with metering in proportion to rotation speed. This pump is used primarily for highly viscous, compacted and crumbly substances that do not have a tendency to bridge.

Compact Progressive Cavity Pump Design

For optimal feed into the pumping elements, the pump housing is designed with an enlarged, rectangular hopper and conical force-feed chamber as well as a special coupling rod with a patented, horizontally positioned auger.
In block construction, this pump is particularly compact and economical.

NEMO® BF Open Hopper Progressing Cavity Pumps offer you:

  • gentle product handling
  • pump connections in accordance with national and international standards, as well as in specially designed models
  • easy serviceability

Features of the NEMO® BF Open Hopper Progressing Cavity Pump

  • pump housing with enlarged rectangular hopper
  • conical force-feed chamber
  • special coupling rod with patented, horizontally positioned auger
  • continuous low-pulsation handling unaffected by fluctuations in pressure and viscosity
  • capacity in proportion to rotation speed with precision metering over a wide speed range
  • high pressure capability without valves
  • stator with hopper-shaped entrance for optimal filling of the conveying chamber

Advantages of the NEMO® BF Open Hopper Progressing Cavity Pump

  • modular design
  • a wide variety of materials
  • robust and compact block construction
  • the right joint for any application
  • standard mechanical seal, other seals optional
Hopper-progressive-cavity-pump-diagram
Open Hopper Pump Diagram

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People Also Ask

The NETZSCH NEMO® BF Open Hopper Pump works based on the progressive cavity principle, where a rotating eccentric screw inside a stator creates a continuous flow in the pump chamber. The open hopper design allows for easy feeding of the product into the pump and ensures efficient conveying of even highly viscous, abrasive, or shear-sensitive materials. The pump’s unique geometry also enables gentle pumping action, minimizing product damage and ensuring consistent performance over its operational life.

The NETZSCH NEMO® BF Open Hopper Pump has several key features and benefits:

  • Gentle pumping: The pump’s open hopper design ensures gentle handling of shear-sensitive and viscous fluids, reducing the risk of product damage.
  • Solids handling: The pump is capable of handling high-solid content materials up to 12% by volume, making it suitable for a wide range of applications.
  • Low pulsation: The pump’s progressive cavity design provides low pulsation flow, resulting in a smooth and consistent flow rate.
  • Easy maintenance: The pump’s modular design allows for easy maintenance and replacement of individual components, reducing downtime and maintenance costs.
  • Versatility: The pump can handle a wide range of fluids, including abrasive, corrosive, and highly viscous fluids, making it suitable for a variety of industries such as food and beverage, chemical, and wastewater treatment.

Benefits:

  • Improved product quality and reduced product damage
  • Increased productivity and efficiency
  • Reduced maintenance and downtime costs
  • Versatile and suitable for a wide range of applications

The NETZSCH NEMO® BF Open Hopper Pump can handle a wide range of fluids, including abrasive, corrosive, and highly viscous fluids. Its open hopper design and progressive cavity technology allow for gentle handling of shear-sensitive and viscous fluids while maintaining a low pulsation flow rate. The pump is suitable for various industries and applications due to its versatility.

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