Rotary Airlock Valve

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  Drop-Through Rotary Airlock Valves

  NES Drop-Through Rotary Airlock Valves ensure precise material flow in pneumatic conveying and metering applications. Featuring a drop-through design, they allow gravity-assisted discharge while maintaining system pressure and preventing air loss. Available in cast iron or stainless steel (304/316) with 6” to 18” [150 mm to 450 mm] bore sizes, they support up to 15 psi differential pressure and 482°F [250°C] operating conditions, making them ideal for food, chemical, pharmaceutical, plastics, and bulk material handling industries.
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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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  Other Remanufactured Vacuum Pumps/Compressors

  NES Company, Inc. stocks an array of MD, MHF, AL, 1252, 1253, 1256 and many other liquid ring pumps & compressors. Please feel free to inquire with us to check our current inventory. If we do not have it in stock, we can offer to rebuild your existing pump or replace it with a modern pump.
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  Remanufactured CL Series Pumps

  NES Company, Inc. stocks remanufactured CL series vacuum pumps available with core exchange in cast iron and stainless steel (limited availability). We typically stock CL-200 through CL-6000. These pumps are part of our pump exchange program; this means we can ship out a replacement pump from the stock before receiving the core in return. This saves you time and money by eliminating any downtime waiting for your pump to get repaired. All remanufactured stinless steel liquid ring vacuums include a core exchange with returned freight prepaid.
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  Remanufactured SC Series Pumps

  NES Company, Inc. stocks remanufactured SC series vacuum pumps available with core exchange in cast iron and stainless steel (limited availability). We typically stock SC-2 through SC-7. These remanufactured liquid ring vacuum pumps are part of our pump exchange program; this means we can ship out a replacement pump from the stock before receiving the core in return. This program saves you time and money by eliminating any downtime waiting for your pump to get repaired. All remanufactured pumps include a core exchange with returned freight prepaid.
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  Somarakis® Replacement Liquid Ring Pumps and Compressors

  Somarakis® liquid ring pumps and compressors are widely known to be rugged, maintenance friendly, built to high CFM/HP ratios. Somarakis® Pumps are used in Pulp and Paper, Chemical, Heavy Industrial, Energy, Mining and Food processing with installations around the world. NES Company Inc. offers rebuild, spares, new units and rebuild kits for all Somarakis® liquid ring vacuum pumps and compressors.