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Netzsch NEMO® BF Progressing Cavity Pump
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Netzsch NEMO® BF Progressing Cavity Pump


The NEMO® BF 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.

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.


  • 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
  • Gentle product handling
  • Pump connections in accordance with national and international standards, as well as in specially designed models
  • Easy serviceability
  • Modular design
  • A wide variety of materials
  • Robust and compact block construction
  • The right joint for any application
  • Standard mechanical seal, other seals optional


  • Highly viscous
  • Compacted
  • Crumbly
  • Solid content
  • Shear-sensitive
  • Sticky or dry
  • Thixotropic and dilatant
  • Abrasive
  • Adhesive


  • Capacities up to 1000 gpm
  • Differential pressures up to 750 psi


For more than six decades, NETZSCH has developed, manufactured and marketed positive displacement pumps worldwide. Designed specifically for difficult pumping situations, NETZSCH pumps range in size from the industry’s smallest metering pumps to high volume pumps for applications in the oil and gas or mining industries.


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