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      • Flare Gas Recovery
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      • Degassing Vacuum Pump
      • Chlorine Compression
      • Vapor Recovery and Gas Boosting
      • Vinyl Chloride Monomer Recovery
      • Hydrogen Compression
      • Vacuum Filtration
    • Electrical Power
      • Condenser Initial Evacuation - Hogging
      • Flue Gas Desulfurization
      • Fly Ash Conveying
      • Geothermal Gas Removal
      • Turbine Gland Exhausting
      • Vacuum Deaeration
      • Water Box Priming
      • Condenser Exhauster Vacuum Solutions
    • Environmental
      • Biogas Production
      • Digester Gas Compression
      • Vacuum Priming
      • Wastewater Purification - Oxygenation of Activated Sludge Tanks
    • Food & Beverage
      • Poultry Processing Vacuum Solutions
      • Bottle Filling
      • Deaeration of Mineral Water
      • Deodorizing of Edible Oils and Fats
      • Evaporators Cookers Vacuum Pans
      • Humidification of Tobacco
      • Milking Systems
      • Sterilization of Teas and Spices
    • General Industrial
      • Poultry Processing Vacuum Solutions
      • Molded Fiber
      • Sugar Production
      • Vacuum Pressure Impregnation for Wood Treatment
      • Bottle Filling
      • Calibration Tables - Plastic Profles
      • Chucking
      • General Industrial
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      • Deaeration
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      • Fuel Gas Boosting
      • Offshore Platforms - FPSO
      • Solvent Dewaxing
      • Vapor Recovery - Gas Boosting
    • Solutions
      • Crystallization - Evaporation
      • Distillation
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      • Reactors - Reactor Drying
      • Degassing Vacuum Pump
    • Pulp & Paper
      • Headbox Compressor and Vacuum Pump
      • Ozone Compression in Paper Pulp Bleaching
      • Paper Machine Forming Section - Dewatering
      • Paper Machine Press Section Vacuum
      • Vacuum Filtration - Pulp and Paper Stock
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      • Draining and Drying of Dyed Carpet
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Liquid Ring Compressor

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Our Liquid Ring Compressor Range

  • Low Pressure
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Low Pressure

Vectra GL Liquid Ring Vacuum Pump Compressor 50 to 1,400 m3/h (29 to 824 CFM)

Vectra GL Liquid Ring Vacuum Pumps & Compressors

Suction Capacity: 115 to 830 ACFM (195 to 1,400 m3/h)

Vacuum Range: to 2 inHgA (67 mbar abs.)

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Vectra SX Liquid Ring Vacuum Block Pump 14.7 to 153 CFM

Vectra SX Liquid Ring Vacuum Pumps & Compressors

Suction Capacity: 15 to 150 ACFM (25 to 260 m3/h)

Vacuum Range: to 1 inHgA ( to 33 mbar abs.)

 

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vectra-xl-liquid-ring-pump-compressor

Vectra XL Liquid Ring Vacuum Pumps & Compressors

Suction Capacity: 115 to 5,200 ACFM (195 to 8,900 m3/h)

Vacuum Range:  to 1 inHgA ( to 33 mbar abs.)

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2BE1 Liquid Ring Vacuum Pump Compressor 100 to 3,100 m3/h (59 to 1,825 CFM)

2BE1 Liquid Ring Vacuum Pumps & Compressors

Suction Capacity: 60 to 13,000 ACFM (100 to 22,500 m3/h)

Vacuum Range: 1 inHgA (33 mbar abs.)

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

SC Liquid Ring Vacuum Pumps & Compressors 

Suction Capacity: 70 to 1,150 ACFM (120 to 2,000 m3/h)

Vacuum Range: to 2 inHgA ( to 67 mbar abs.)

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2be3-2be4-liquid-ring-pump-compressor

2BE3 & 2BE4 Liquid Ring Vacuum Pumps & Compressors

Suction Capacity: 1,150 to 18,900 ACFM (1,950 to 32,100 m3/h)

Vacuum Range: to 4 inHgA ( to135 mbar abs.)

 

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Medium Pressure

GARO Liquid Ring Compressors

GARO Liquid Ring Compressors

Suction Capacity: 100 to 1,800 SCFM (170 to 3,050 m3/h)

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2BK Single Stage Liquid Ring Compressor 85 to 4,100 m3/h (50 to 2,412 CFM)

2BK Liquid Ring Compressors

Suction Capacity: 50 to 2,400 SCFM (85 to 4,100 m3/h)

Discharge Pressure Range: to 75 psig (to 6 bar abs.)

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Vectra XM-150 Icon Image

VECTRA XM-150 Liquid Ring Compressors

Suction Capacity: 470 to 1,200 SCFM (800 to 2,000 m3/h)

Discharge Pressure Range: to 70 psig (to 4.7 bar abs.)

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2BQ1 Liquid Ring Vacuum Pump Compressor 6,000 to 11,000 m3/h (3,500 to 6,400 CFM)

2BQ Liquid Ring Compressors

Suction Capacity: 3,500 to 6,400 SCFM (6,000 to 11,000 m3/h)

Discharge Pressure Range: to 40 psig (to 3.8 bar abs.)

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High Pressure

GARO Liquid Ring Compressors

GARO Liquid Ring Compressors

Suction Capacity: 100 to 1,800 SCFM (170 to 3,050 m3/h)

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HP Single Liquid Ring Compressor 200 to 4,300 m3/h (118 to 2,531 CFM)

HP-9 Liquid Ring Compressors

Suction Capacity: 1,500 to 2,500 SCFM (2,500 to 4,300 m3/h)

Discharge Pressure Range: to 110 psig ( to 8.5 bar abs.)

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2BG Two Stage Liquid Ring Compressor 50 to 1,750 m3/h (30 to 1,000 cfm)

2BG Liquid Ring Compressors

Suction Capacity: 12 to 1,000 SCFM (20 to 1,700 m3/h)

Discharge Pressure Range: to 170 psig (to 13 bar abs.)

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Proven Performance & Reliability

 

NASH liquid ring compressors have the greatest performance range worldwide. Our compressors work on discharge pressures of up to 200 PSIG (15 bar abs.) with a suction capacity of 8,800 CFM (1,500 m³/h) or 9,400 CFM (16,000 m³/h). Thus, compressing gas to 30 PSIG (2 bar abs.) depending on the machine and application.

 

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

Advantages Of Liquid Ring Compressors

NASH liquid ring compressors require minimal care and low maintenance. Our compressors reduce power and operating costs by handling higher capacities with less energy, and provide the following features and benefits:

  • Ability to handle carryover resulting in minimal process problems and an increase in uptime; intended for severe applications 
  • The long design life of 40+ years offering the highest reliability 
  • No internal lubrication required, which means less maintenance and downtime 
  • No metal-to-metal contact and constant wear-free performance 
  • Cool running, minimal temperature rise between inlet and discharge that is ideal for explosive gases and vapor recovery applications
  • Only one moving part for simple and reliable operation

Low Pressure Liquid Ring Compressors

(Up to 30 PSIG or 2 bar abs.)

Low pressure liquid ring compressors deliver reliable, proven performance for wastewater treatment, digester gas compression, aeration, and many other applications and industries. With a discharge pressure up to 30 PSIG (2 bar abs.), Nash provides efficient, low-pressure compressors that require low maintenance. Alternate seal liquids can be used when water is not compatible with the process gas. 

SC Liquid Ring Vacuum Pump Compressor 220 to 5,400 m3/h (130 to 3,178 CFM)
SC Liquid Ring Vacuum Pump & Compressor

Our low-pressure liquid ring compressors are available in stainless steel, ductile iron, and other optional materials. Click the link to learn more about low pressure liquid ring compressors. 

 

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Vectra XM-150 Liquid Ring Compressor

Medium Pressure Liquid Ring Compressors 

(Up to 75 PSIG or 6 bar abs.) 

Medium pressure liquid ring compressors deliver reliable, proven performance for demanding process applications such as: 
• recovery and compression of hydrocarbons
• compression of hydrogen, chlorine, and other process gases

 

With a discharge pressure up to 75 PSIG (6 bar abs.), Nash offers efficient, medium pressure compressors with low maintenance requirements. Alternate seal liquids can be used when water is not compatible with the process gas.

Our medium pressure liquid ring compressors are available in stainless steel, ductile iron, and other optional materials.

Click the link to learn more about medium pressure liquid ring compressors. 

 

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High Pressure Liquid Ring Compressors

(Over 75 PSIG or 6 bar abs.)

High pressure liquid ring compressors deliver reliable, proven performance for toxic, explosive, and corrosive gases in oil & gas, petrochemical, and chemical applications including flare-gas recovery and vinyl chloride monomer (VCM) recovery.

With a discharge pressure over 75 PSIG (6 bar abs.), Nash offers powerful, high pressure compressors with low maintenance requirements. Alternate seal liquids can be used when water is not compatible with the process gas.

2BG Two Stage Liquid Ring Compressor 50 to 1,750 m3/h (30 to 1,000 cfm)
2BG Liquid Ring Compressor

Our high pressure liquid ring compressors are available in stainless steel, cast iron, and other optional materials. Click the link to learn more about high pressure liquid ring compressors. 

 

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Liquid Ring Compressor Applications

NASH liquid ring compressors are the preferred solution and designed for harsh and demanding processes or any other type of wet, corrosive, dirty, or explosive gas including:

  • Flare gas recovery
  • Flare gas compression
  • Vinyl chloride monomer recovery (VCM)
  • Vent gas recovery
  • Vapor recovery 
  • Hydrogen compression
  • Oxygen/ozone compression
  • Wastewater treatment methane compression
  • Carbon dioxide compression
  • Waste gas compression, power plants

 

Chemical Applications

Inside A NASH Liquid Ring Compressor

The NASH compressor is simple with only one moving part that is a rugged, balanced rotor requiring no internal lubrication. A rotating ring of liquid compressant does what sliding vanes or pistons do in other compressors.

The liquid compressant is represented in the below model by the grid-patterned area. Curved rotor blades, shown in section, transmit power to keep liquid rotating.

The liquid compressant is represented in the below model by the grid-patterned area. Curved rotor blades, shown in this section, transmit power to keep liquid rotating.

The ring of liquid follows the inside of the round-shaped body. Each revolution, every rotor chamber fills with liquid, then partly empties.

While a chamber is going past the inlet port, the liquid moves out. Air or gas is drawn into the chamber. When a chamber arrives at the discharge port, compressed air or gas escapes to the compressor discharge.

 

                   NASH Liquid Ring Compressor

Highest Standards 

Nash is committed to the highest standards in production and safety. We have many ISO certificates, issued to our facilities worldwide and continue to improve our quality by optimizing internal processes.

NASH compressors are certified to ATEX and other global industrial standards.

Efficient Solutions

Our vast compressor product line covers the greatest performance range of liquid ring compressors worldwide and is available as single and two stage compressors. By handling higher capacities with less energy, our compressors reduce power and operating costs.

Nash has a global network of services and support is always available to keep your system running for years. Backed by over 100 years of experience, Nash will provide the right compressor to suit your application needs. Need performance plus proven reliability? You need Nash.

Downloads For Liquid Ring Compressors

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