Vacuum Boosters and Blowers

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  Blow-Through Rotary Airlock Valves

  NES Blow-Through Rotary Airlock Valves boost pneumatic conveying efficiency with an integrated air-assist that improves discharge and flow consistency. Available in cast iron or stainless steel, these valves suit demanding environments across food, chemical, pharmaceutical, and plastics industries. Bore sizes range from 6” to 18” [150 mm to 450 mm], with six to ten-vane rotors for control.
  These robust valves handle up to 15 psi differential pressure and 482°F [250°C], making them ideal for high-flow material handling systems.
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  NES NB Series – Roots-Type Bi-Lobe Vacuum Pump Boosters

  NES Company Inc. is proud to offer our NB Series high performance Roots-type vacuum boosters. With a five-point bearing design and double oil tanks, the NB Series vacuum boosters are built for roughing at high levels of vacuum. The NB Series spans a wide range of uses, from 100 to 60000 CFM at a constant ultimate vacuum level of  Torr from 3 to 150 HP. For replacement of MD Kinney vacuum boosters or searching for a new vacuum booster that is the same quality with competitive pricing, NES Company Inc. highly recommends the NB Series Roots-type vacuum boosters.
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  NRB Series – Roots-Type Blowers

  NES Company Inc. NRB Series Roots-type blowers are perfect for roughing and removal of condensable process gasses. These three-lobe design single units can reach a pressure of 1034 mbarg and vacuum of 339 mbar with the ability for both compressive and vacuum effects. NES NRB Series blowers boast a high rotation speed, lowering the temperature of the process gas and extending the life of the blower’s components. The NRB Series is available from 220 to 9300 CFM and 4 to 400 HP.