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NASH liquid ring vacuum pumps are a reliable and durable solution for challenging process applications. Our liquid ring vacuum pump design was the first-of-its-kind at the turn of the 20th century and has been an industry leader ever since.

Through our ongoing commitment to innovation, product research, and development, Nash continues to introduce quality liquid ring vacuum pumps and product upgrades that meet the rigors of the most demanding applications while reducing the total cost of ownership.

Review our extensive product portfolio and discover the NASH liquid ring vacuum pump best suited for your process.

LEARN ABOUT OUR LIQUID RING VACUUM PUMPS

Small Capacity

Medium Capacity

Large Capacity

Two Stage

THE ADVANTAGES OF A NASH LIQUID RING VACUUM PUMP

ACCEPTS CARRYOVER

Soft solids, Moisture, slugs, Chemicals, etc, will not harm the pump. These impurities will simply be washed out through the pump discharge.


COOL & QUIET OPERATION

The pump runs cool owing to the circulation of he sealing water inside the pump. The operation is also relatively quiet - not exceeding 85 dBA


CONSTANT OPERATION FOR ANY VACUUM LEVEL

The pump runs cool owing to the circulation of he sealing water inside the pump. The operation is also relatively quiet - not exceeding 85 dBA


EASY MAINTENANCE

NASH pump has few parts and only one moving part. Therefore wear is less and thus maintenance is simpler and cheaper.


LONGER PUMP LIFE

Generally, a NASH pump has a longer life span, mainly due to its robust construction and because the NASH pump has only one moving part, the rotor, which is mounted on a shaft supported by a set of bearings designed for a B-10 service life of 20 years continuous operation.


ENVIRONMENTALLY FRIENDLY

The NASH pump does not require any oil-change, filters, oil-pans, condensers etc. Plant rooms run clean, free of oil contamination and oil discharge to sewers.


NASH LIQUID RING VACUUM PUMPS & COMPRESSORS CATALOG EMEIA

Discover our product portfolio in a concise & easy-to-read form of our new product catalog. Download it for free & keep on your device to be able to browse it wherever and whenever you wish.

 

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*Performance data is for illustrative purposes. Please consult with a Nash Engineer or Sales Representative for pump sizing and specific performance data.

RELIABLE LIQUID RING TECHNOLOGY

The working principle of a liquid ring pump is based around a pump body and an eccentric rotor. As the rotor spins, the seal liquid inside the pump forms a rotating "liquid ring" on the inner surface of the body. NASH liquid ring vacuum pumps feature three product sizes including small capacity, medium capacity, and large capacity liquid ring pumps. Learn more about Nash liquid ring vacuum pumps by going to our technology page:


Liquid Ring Vacuum Pump Technology

SMALL CAPACITY PUMPS

(Vacuum levels up to 29in. HgA, 1.5 HP to 10 HP)

NASH small capacity liquid ring vacuum pumps feature monoblock or lantern designs. These designs deliver the benefits of a simple, compact, and economical installation. Our small capacity liquid ring pumps are available in a variety of materials including cast iron and stainless steel and are ideal for use in a vast range of general industrial processes.

Click the link below to learn more about our small capacity liquid ring vacuum pumps.

 

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Vectra SX Liquid Ring Vacuum Block Pump 14.7 to 153 CFM
SC Liquid Ring Vacuum Pump Compressor 220 to 5,400 m3/h (130 to 3,178 CFM)

MEDIUM CAPACITY PUMPS

(Vacuum levels up to 28in. HgA, 10 HP to 200 HP)

NASH medium capacity liquid ring vacuum pumps offer a highly powerful range of small to medium size single stage vacuum pumps for use in diverse industries including oil & gas, general industrial, and chemical.

Available in cast iron for less aggressive applications, and stainless steel for hostile applications and environments.

Click the link below to learn more about our medium capacity liquid ring vacuum pumps. 

 

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LARGE CAPACITY PUMPS

(Vacuum levels up to 25in. HgA, above 200 HP)

NASH medium to large capacity single stage vacuum pumps are ideal for demanding applications in extremely tough conditions. These heavy-duty pumps are able to serve a wide range of applications, which can typically include dewatering in the paper industry and vacuum filtering in mineral ore processing. Our large capacity pumps are available in a variety of materials including stainless steel, cast iron with some models featuring a polyisoprene lining.

Click the link below to learn more about our large capacity liquid ring vacuum pump.

 

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CL Liquid Ring Vacuum Pump Compressor 240 to 16,500 m3/h (141 to 9,711 CFM)
TC Two Stage Liquid Ring Vacuum Pumps to 3,650 m3/h (100 to 2,148 CFM)

TWO STAGE LIQUID RING VACUUM PUMPS

(Vacuum levels to 0.8in. Hg abs.)

NASH two stage liquid ring vacuum pumps are ideal for a variety of industrial applications and may be combined with ejectors or boosters to form hybrid packages, allowing higher vacuum levels. Nash offers TC two stage liquid ring vacuum pumps, available in ductile iron and stainless steel, and the AT two stage liquid ring vacuum pumps, available in cast iron. Both the TC and AT two stage vacuum pumps feature NASH conical porting.

Click the link below to learn more about our two stage liquid ring vacuum pumps.
 

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DOWNLOADS FOR LIQUID RING VACUUM PUMPS
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