Liquid Ring Vacuum Pump Market Size & Share 2026-2035

Liquid Ring Vacuum Pump Market Size

The liquid ring vacuum pump market was estimated at USD 746.3 million in 2025. The market is expected to grow from USD 774.8 million in 2026 to USD 1.06 billion in 2035, at a CAGR of 3.6% according to latest report published by Global Market Insights Inc.

Liquid ring vacuum pumps are in high demand, primarily within core process industries (e.g., chemicals, pharmaceuticals, food/beverage, oil/gas and pulp/paper) because these industries depend on equipment that can process wet, saturated and/or contaminated gas streams where liquid ring pumps have an ideal design and can maintain constant vacuum levels under even the most demanding conditions. The growth of these industries with respect to both production capacity and modernization/upgrading of existing pumping systems means that they will further strive toward vacuum technologies that are reliable, stable operationally, and tolerant of changes in process conditions; therefore, using liquid ring pumps will be ideal for any process requiring vacuum, such as distillation, solvent recovery, vacuum drying, filtering and/or degassing.
 

Furthermore, as more manufacturing industries adopt the concept of continuous processing and automated machinery, there will continue to be an increasing need for vacuum systems that operate for extended periods of time with very little maintenance. In this regard, liquid ring pumps will be able to fulfill these operational needs due to their simple mechanical design and lower probabilities of failure associated with contamination. Industries that produce corrosive vapors or produce gas that includes solid particles will particularly benefit from liquid ring pumps because they can tolerate large quantities of liquid and/or solid debris passing through the pump's inlet without causing serious damage to the unit.
 

Industry standards/expectations are pushing companies to implement new technologies that lower their carbon footprint. Liquid ring vacuums achieve this by being able to remove vapors/volatile components which help decrease the emission of fugitive pollution, thereby allowing companies to meet air quality standards and reduce emissions from manufacturing. Businesses such as chemical manufacturers and pharmaceutical producers are faced with increased pressure to comply with increasingly stringent regulations on solvent emissions and safety; thus, due to these circumstances, there is an increased need for reliable vacuum systems such as liquid ring vacuum systems.
 

In addition to controlling emissions, sustainability targets are pushing organizations to buy equipment that enables resource efficiency and minimize lifecycle impact. While liquid ring pumps do use water, most new systems use water re-circulation and/or recovery systems dramatically cut down on the amount of fresh water they use. They are also very quiet, durable and capable of using bio-compatible fluids which make them ideal for environmentally concerned businesses. As businesses aim to maintain cleaner and greener production lines as part of the corporate sustainability program, vacuum systems continue to grow in value as they provide support for air pollution control, solvent recovery and safe handling of hazardous steam.

Liquid Ring Vacuum Pump Market Trends

The market for liquid ring vacuum pumps is steadily evolving due to technological advancements, booming industrial automation, increasing environmental regulations, and expanding usage of this technology in process-intensive industries. As manufacturers are seeking more reliable and robust vacuum solutions to accommodate the use of wet, corrosive, or contaminated gases, liquid ring technology continues to be relevant while it is being modernized through better materials, smarter controls, and more sustainable operational models.
 

• Manufacturers are currently redesigning liquid ring pumps with energy efficiency in mind, due to the increase in cost of industrial energy, and the increasing focus on sustainable operations; this involves new impeller geometries, better seals, and the addition of variable frequency drives (VFDs). The industry is continuing to develop products that help customers meet their increasing expectations for reduced operating costs and increased equipment life by pushing vendors to develop products that will reduce total cost of ownership.
   
• Digital technologies, including Internet of Things (IoT) sensors, real-time monitoring, and predictive maintenance analytics, are becoming more commonplace in industrial facilities. For liquid ring pumps, this can mean the ability to detect cavitation issues, seal water conditions, or bearing wear before failure occurs. This is part of a larger trend toward Industry 4.0, which provides automated insights to reduce downtime, increase reliability, and extend the usable life of vacuum equipment.
   
• Corporate sustainability goals and environmental regulations are increasing the need for solutions that will help minimize the use of water, as well as reduce waste discharge and provide a cleaner operating environment. As a result of this trend, more industries are incorporating closed-loop water recovery systems, corrosion-resilient materials, and low noise configurations. Many have chosen to use technologies that will help them achieve specific emission limits and limitations on wastewater discharges and increase their resource efficiency.
   
• New possibilities are being created in Asia Pacific, the Middle East and Latin America due to the rapid industrial growth these areas are experiencing. In these regions there has been a large increase in chemical production, food manufacture/processing, water treatment plant infrastructure and energy projects taking place. As a result of the growth and expansion of these industries new opportunities are developing for liquid ring pumps to be installed within these facilities because of their durability and resistance to use in very tough process conditions. Therefore, as the industries expand and upgrade their equipment fleet, this will increase demand for liquid ring pumps.
   

Liquid Ring Vacuum Pump Market Analysis

Based on type, the liquid ring vacuum pump market is divided into single stage and two stages. In 2025, single stage held the major market share, generating a revenue of USD 438.1 million.
 

• Single-stage liquid ring vacuum pumps have been designed with the single compression (stage) in mind, making them easy to operate, durable and inexpensive solutions to applications requiring moderate levels of vacuum. They are based on an impeller that rotates eccentricity in a casing (partially filled with liquid, typically water) which creates a stable liquid ring that compresses the gas as the impeller rotates. This arrangement produces smooth, pulsation-free operation and can pump wet, saturated and/or contaminated gasses with no possibility of damaging the internals, giving them an advantage in applications where process conditions are changing and/or when moisture is present.
   
• The simple construction of a single-stage liquid ring pump means it has a low maintenance requirement and long-life expectancy. There are fewer components to wear out, and no metal parts touch each other, which significantly reduces the amount of wear on these pumps. Therefore, they tend to have low operational downtime and repair cost. Single-stage pumps can also handle liquid being carried in with the air being pumped this means they can be used in situations that have extreme conditions such as food-processing plants, chemical processing plants, and wastewater treatment plants where gas and/or air may have particles or would have varying amounts of moisture. Because of this operational reliability, single-stage designs are typically chosen for continuous and heavy-use applications.
   
• Single-stage pumps are utilized in several applications including vacuum filtration, degassing, evaporative processes and general vacuum. These pumps are selected for use when ultra-deep vacuum is not necessary. These pumps are stable over a broad range of application performance; therefore, many times they produce higher volumetric capacity when compared to multi-stage pumps producing an equivalent vacuum. Since industry continues to place a high value on equipment that is both dependable and energy-efficient, single-stage liquid ring pumps are still very popular.

Based on capacity, the liquid ring vacuum pump market is segmented in Up to 200 mbar, 200 to 400 mbar, over 400 mbar. The over 400 mbar segment held the largest share, accounting for 57% of the market in 2025.
 

• Pumps with a discharge capability over 400 mbar can be found in many different types of applications where a moderate level of vacuum is required, and maintaining a steady flow of suction under varying conditions is more important than maintaining a constant vacuum. These pumps can be used in industrial settings where gases have a high moisture level or contain large particles making deep vacuum pumps either impractical or unnecessary for most applications. Due to their ability to perform well at higher Discharge Pressure ratings, these types of pumps can be effectively used for handling vapors, vacuum degassing, filter support, and transporting fluids without producing extremely low absolute pressure.
   
• These kinds of pumps are not subjected to extremely high mechanical loads compared to pumps that run at much deeper or higher vacuum depths resulting in less strain on their internal parts and consequently a longer service life and lower maintenance requirements. The way these types of pumps operate allow them to more easily handle gas mixtures containing moisture, liquids that get mixed in with the gas, and solids than would normally happen with a pump designed for use at deeper vacuum levels. As such, they are an excellent choice for several different process applications such as vacuum filtration, dehydration, degassing, and for general vacuum assist during various processes that take place in an industrial environment.
   
• Pumps rated at over 400 mbar offer the most diverse range of uses across a variety of industries, including food production, pharmaceutical manufacturing, wastewater treatment and chemical manufacture. Many industries rely on processes that require consistent performance despite variations in load conditions, therefore pumps within this performance category will provide an easy solution for industries needing to adjust their operation without incurring excessive losses in efficiency. Their ability to maintain a constant vacuum for extended periods of time when being subjected to liquid slugs and/or condensable vapors also enable them to be operated continuously in a vast number of industrial applications.
   

Based on distribution channel, the liquid ring vacuum pump market is segmented into direct and indirect. In 2025, direct segment held the largest market share, generating a revenue of USD 492.9 million.
 

• The direct market channel of the liquid ring vacuum pump industry involves the manufacturer distributing the liquid ring vacuum pump or its associated vacuum systems directly to an industrial end-user. Thus, the manufacturer is selling directly to the end-user and not through an intermediary, such as a distributor or agent. Direct marketing is critical for "high specification" equipment like liquid ring vacuum pumps (LRVPs), as purchasers typically require extensive technical consulting, custom engineered products, performance sizing and system integration support. Direct marketing allows manufacturers to also offer custom-tailored solutions for the end-user's critical application in the following industries: chemical processing, oil & gas, pharmaceuticals, food manufacturing and power generation. These industries rely heavily on the accuracy of their vacuum source's performance and reliability to produce their products.
   
• Building stronger post-sale relationships using direct channels can help increase long-term value to customers by providing commissioning support, maintenance programs, spare parts support and operational troubleshooting assistance. Additionally, since LRVPs are typically used within large process production lines or as part of an entire facility’s utility distribution system, purchasers benefit from the close collaboration between their original equipment manufacturer (OEM) engineers who understand system dynamics, operating parameters and the potential for upgrades in the future. Direct distribution channels enable manufacturers to collect immediate feedback about the performance of products, this then becomes a basis for developing products that are more efficient, conserve water and can be automated.

North America Liquid Ring Vacuum Pump Market

In 2025, the U.S dominated the North America liquid ring vacuum pump industry, accounting for around 82.9% and generating around USD 158.4 million revenue in the same year.
 

• In U.S., the liquid ring vacuum pump industry is influenced by its wide-ranging, extremely industrial factory framework, as well as the significant vacuum technology requirements from various sectors such as chemical, pharmaceutical, food processing, and energy; all of which require long-lasting, contaminant-resistant vacuum machinery. The primary benefit of LRVPs is their capability to manage not only saturated gases, varying loads and extreme operating temperatures all of which are consistent with the American operational goals of safe operations, process stability, and adhering to environmental regulations.
   
• The trends within the American industry point toward cleaner manufacturing processes, renovating older manufacturing sites, and complying with increasingly tighter emissions and waste-management rules. Another trend impacting this industry is the desire for manufacturer-supported products that possess the ability to offer refurbishment and customization of engineering services; therefore, LRVP producers that provide long-lasting after-market support and have extensive service networks will have a competitive strategic position.
   
• The liquid ring vane pump market is reflective of North America’s heavy industrial base. When choosing a piece of equipment, North American customers use two primary factors: long operating cycles with low maintenance requirements, and strong dependability in highly humid or very particle laden applications. All North America’s industrial markets continue to employ LRVPs for process operations.
   
• Although many industries are beginning to incorporate more automation and energy-efficient equipment, liquid ring technology remains popular due to its inherent durability and simplicity. Additionally, the continued focus on sustainability and process safety by the industries in North America promotes a steady increase in adoption of LRVPs particularly those that provide proven operational improvements over a broad range of variables; including the ability to accommodate limited liquid carry over; withstanding frequent or constant changes in operating conditions.
   

Europe Liquid Ring Vacuum Pump Market

Europe liquid ring vacuum pump industry held 23% share in 2025 and is expected to grow at 3.4% during the forecast period.
 

• The development of the liquid ring pump vacuum market in Europe is heavily influenced by the region's focus on environmental performance, energy efficiency and industrial safety standards. Many of these industries (chemicals, pharmaceuticals, food processing and industrial processes like power generation) depend on LRVPs because they can handle saturated gases, corrosive vapors and varying operating conditions. European manufacturers and end users are more aware of upgrading to sustainability-driven systems, thus increasing their use of liquid ring vacuum pump systems that use less water, operate cleaner, and work more efficiently in processes. This fits into Europe as a whole's ongoing goal for emissions reduction, resource conservation and modernization of industry.
   
• Europe’s well-established industrial structure has also created a market for retrofitting LRVP solutions that improve process efficiency while not needing to replace the entire vacuum system. Many facilities utilize older vacuum systems; therefore, reliability, durability and cost-effectiveness will be major buying factors for companies purchasing such systems. In addition, companies with established engineering firms and well-developed OEM networks along with high expectations of service quality enhance the preference in the European market toward durable, application-specific LRVPs. As Europe continues to move toward digitalization and sustainability in manufacturing processes, liquid ring technology will continue to play a significant role in applications requiring tolerance to moisture, stable suction and long operating hours.
   

Asia Pacific Liquid Ring Vacuum Pump Market

The Asia Pacific held a market share of 38.4% in 2025 and is anticipated to grow with a CAGR of around 3.9% from 2026 to 2035.
 

• One of the primary market leaders for liquid ring vacuum pumps is the Asia Pacific region because of the rising levels of industrialization and the increasing amounts of manufacturing productivity taking place, along with the continued growth of various industries, including chemicals, petrochemicals, pharmaceuticals, food processing, pulp and paper, and wastewater treatment. In response to the rapid growth in the Asia Pacific economies, which are extensively investing in new industrial plants and upgrading existing processes, there is considerable future demand for vacuum technologies to operate at very high output, varying load conditions, and to be cost-efficient. Liquid ring vacuum pumps have proven to be the right pump for this application because of their durability and ability to handle wet or contaminated gases and the complexity of processing environments common to these dynamic industries.
   
• APAC's leadership position is fueled by a growing trend towards increased automation, ongoing urban development, and stricter environmental regulations, which is steadily shifting the standards of industrial production within this region. For cost-effective, reliable, scalable, and easy-to-maintain vacuum systems, many suppliers are turning to liquid ring pump technology due to its consistent performance over time; moreover, they are also experiencing a renewal of interest in their technology from evolving competition among other supply chain participants in the region. Ultimately, as APAC continues to expand its diverse manufacturing base across traditional and emerging sectors, it's reaffirmed as a dominant global leader in liquid ring vacuum pump (LRVP) sales due to its rapid investment and rapid advancements in technology.
   

Middle East and Africa Liquid Ring Vacuum Pump Market

Middle East and Africa liquid ring vacuum pump industry is growing at a CAGR of 3.2% during the forecast period.
 

• The performance of liquid ring vacuum pumps is being positively impacted by the strong oil and gas sector as well as the operations of refineries and chemical processing industries in the Middle East and Africa. The vacuum systems are designed to withstand the extreme conditions presented by liquid vapors, corrosive gases and severe moisture levels. This makes LRVPs ideal for upstream, midstream and downstream facilities. In addition to hydrocarbons, many other industries such as mining, desalination, power generation and food production require robust equipment, due to the existence of many challenging process environments in which they operate.
   
• The demand for LRVP's (Liquid Ring Vacuum Pumps) in the Middle East and Africa (MEA) will continue to grow as MEA invests more into diversifying their industry and developing large-scale new infrastructure. As countries in MEA are beginning to focus on building up their manufacturing bases and modernizing their equipment, the need for consistent, dependable vacuum solutions will be increasing. LRVP's will be attractive in this region because they have long-term lives; they can operate reliably under high variability in your processes; and they have straightforward maintenance requirements. With sustainability and efficiencies being focused upon even more in oil-focused markets, LRVP's continue to be a significant piece of the evolution of the industrial landscape in MEA.
   

Liquid Ring Vacuum Pump Market Share

Atlas Copco is leading with 15% market share. Atlas Copco, Busch Vacuum Solutions, Flowserve, Tsurumi, Speck Pumpen, collectively hold around 35%, indicating moderately fragmented market concentration. These prominent players are proactively involved in strategic endeavors, such as mergers & acquisitions, facility expansions & collaborations, to expand their product portfolios, extend their reach to a broad customer base, and strengthen their market position.
 

Atlas Copco is a leading provider of highly reliable liquid ring vacuum pumps; vacuum pumps that help you produce outstanding efficiencies in your harsh industrial environment. Atlanta Copco's emphasis on energy efficiency, rugged product design and excellent global support makes it an excellent selection when tooling your processing plant in areas such as chemicals, food and beverage, pharmaceuticals, and general manufacture.
 

Flowserve has been designing and manufacturing flow control devices for decades, specializing in engineered vacuum solutions primarily used in heavy-duty applications; each Liquid Ring Vacuum Pump has been independently validated to perform dependably within your industrial plant and is manufactured from durable materials to provide long-lasting performance while allowing for a high degree of customization and very strong technical support, which has enabled Flowserve pumps to be used by many different processing industries where reliable vacuum system performance, ensure and complex plant integration are of the utmost importance. 
 

Liquid Ring Vacuum Pump Market Companies

Major players operating in the liquid ring vacuum pump industry are:

• Atlas Copco
• Busch Vacuum Solutions
• Cutes
• Dekker Vacuum
• Finder
• Flowserve
• Graham Engineering
• Ingersoll Rand
• Omel
• PPI Pumps
• Samson
• Speck Pumpen
• Tsurumi
• Vooner
• Zibo Zhaohan  
   

Graham Engineering has a long history of being a leader in vacuum and heat transfer technologies through its engineering capabilities encompassing the design of liquid ring vacuum pumps for use in both extremely harsh process environments as well as with variable amounts of gas load. In addition to liquid ring vacuum pumps, Graham Engineering provides the bulk of their complex operating systems by supplying liquid ring vacuum pump systems designed for use with steam jet ejectors or condensers, thus becoming an ideal partner for industries such as refining/petrochemicals, power generation and processing.
 

Tsurumi has a proven reputation for manufacturing liquid ring pumps that produce oil‑free clean, reliable performance in moist and vapor laden applications. Power, chemical, water treatment, and manufacturing companies depend on Tsurumi to build and provide stable, highly reliable liquid ring pumps. These pumps can handle many different classes of gas and have been designed to operate in continuous duty applications with minimal maintenance.
 

Liquid Ring Vacuum Pump Industry News

• In December 2025, Zibo Zhaohan launched a bolt- on liquid ring pump line engineered to match legacy dimensional footprints, offering alignment‑friendly bases, replicated suction/discharge geometry, and curve‑matched performance for straightforward retrofit replacements.
   
• In November 2025, FlexiSpot unveiled the E7 Pro 2026 Edition equipped with a significantly quieter and more stable dual‑motor lifting system, enhanced structural robustness, and smarter energy‑efficient performance designed to elevate long-term ergonomic use.
• In August 2025, Busch Vacuum Solutions introduced an extrusion‑grade liquid ring vacuum system package incorporating integrated separator technology, frequency‑controlled drives, and PLC‑ready control interfaces for improved degassing stability in high‑vapor‑load polymer processes.
   
• In July 2025, Tsurumi expanded its liquid ring pump series with motor‑integrated compact units, high‑temperature elastomer kits, and condensable‑vapor‑handling ports tailored for hygienic processing lines in food and pharmaceutical plants.
   
• In June 2025, Graham released a two‑stage liquid ring vacuum pump configuration utilizing internal spray‑assisted condensation, heavy‑wall casings, and optional high‑alloy metallurgy for demanding condenser‑venting and petrochemical gas‑handling duties.
   
• In February 2025, Samson launched a compact liquid ring vacuum package for mobile and field‑service applications, integrating lightweight separators, shock‑isolated mounts, and tool‑free manifold connections for rapid maintenance.
   

The liquid ring vacuum pump market research report includes in-depth coverage of the industry with estimates & forecasts in terms of revenue (USD Million) & volume (Million Units) from 2022 to 2035, for the following segments:

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Market, By Type

• Single stage
• Two stages

Market, By Material

• Cast iron
• Stainless steel
• Other

Market, By Capacity

• Up to 200 mbar
• 200 to 400 mbar
• Over 400 mbar

Market, By Flow Rate

• 25 - 600 M3H
• 600 - 3000 M3H
• 3000 - 10000 M3H
• Over 10000 M3

Market, By Application

• Petrochemical & chemical
• Pharmaceutical
• Food manufacturing
• Aircraft
• Automobile
• Water treatment
• Oil & gas
• Power generation
• EPS and plastics
• Pulp & paper
• Others

Market, By Distribution Channel

• Direct
• Indirect
   

The above information is provided for the following regions and countries:

• North America
  • U.S.
  • Canada
• Europe
  • Germany
  • UK
  • France
  • Italy
  • Spain
• Asia Pacific
  • China
  • India
  • Japan
  • Australia
  • South Korea
• Latin America
  • Brazil
  • Mexico
  • Argentina
• Middle East and Africa
  • South Africa
  • Saudi Arabia
  • UAE