Close-Coupled Pumps

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    NC Series – Single Stage/Single Cone Pumps/Compressors

    NES Company is proud to offer our conical lobe design single stage liquid ring vacuum pumps. These new 7.5-75 HP single stage liquid ring vacuum pumps have been designed to be drop-in replacements for classic SC series pumps. NES pumps are factory performance tested and included a 2-year warranty.

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    NCC Series – 2-25HP Cast Iron Close-Coupled Vacuum Pump

    Our cast iron close-coupled vacuum pumps are the economical choice for small single stage close-coupled liquid ring vacuum pumps. Designed as drop-in replacements for Siemens 2BV series, they are available in 2-25 HP (18-353 CFM). Standard construction is cast iron with the Stainless Steel 304 impeller and Viton elastomer mechanical seal. NES 18-342 CFM single stage liquid ring vacuum pumps are performance tested and include a 1-year warranty.

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    NHF Series – 3-7.5HP High Efficiency & Close Coupled Liquid Ring Vacuum Pumps

    Our high efficiency close-coupled liquid ring vacuum pumps are an excellent choice, producing up to 40% more capacity per horsepower. These new premium 30-110 CFM close copled liquid ring pumps are coupled to high efficiency IEC frame motors and have been designed from the ground-up to be interchangeable with classic AHF and MHF series pumps. NES pumps are factory tested and include a 1-year warranty.


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    NRV Series – Rotary Vane Vacuum Pumps

    NRV pumps are a line of oil circulated rotary vane vacuum pumps, perfect for smaller applications. The pumps function by utilizing the sealing features of oil around the pump chamber to seal incoming gases between a series of vanes on its rotor. A key characteristic here are the vanes that are pushed against the pump chamber by springs or hydraulic pressure. The vanes move in and out of the rotor during operation of the pump. The oil is spread around the pump chamber by the vanes, and this completes the seal of the pump chamber.

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