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Netzsch NEMO® BO Progressing Cavity Pump
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Netzsch NEMO® BO Progressing Cavity Pump


The NEMO® BO Progressing Cavity Pump with square/rectangular hopper, coupling rod with auger and force-feed chamber is employed in almost all industrial markets to provide continuous, pressure-stable, gentle and low-pulsation conveyance. This special design guarantees better feed into the conveying elements. Another great advantage of the NEMO® Progressing Cavity Pump is its ability to meter nearly any substance in proportion to rotation speed. In block construction with a flanged drive, this pump is particularly compact and economical.


  • Open throat housing with rectangular inlet flange, and auger with force-feed chamber, provides optimal feed for slowly flowing and pasty media into the conveying elements
  • Continuous low-pulsation conveyance 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 chamfered inlet for optimal filling of the pumping element
  • Gentle product handling
  • Pump connections in accordance with national and international standards, as well as in specially designed models
  • Easy serviceability
  • Variable modular system
  • Various rotor/stator geometries and a broad array of materials
  • Robust and compact block construction
  • The right joint for any application
  • Standard mechanical seal, other seals optional


  • Slowly flowing and non-free-flowing substances
  • Substances with solid content
  • Shear-sensitive
  • Smearing or non-smearing
  • Thixotropic and dilatant
  • Abrasive
  • Adhesive


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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