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The Global Liquid Ring Vaccum Pumps Market By Material Type (Cast Iron, Stainless Steel and Others), By Capacity (cfm) (< 500 cfm, 500 cfm-1500 cfm and > 1500 cfm), By End-use Industry (Chemical Processing, Oil & Gas, Power, Paper & Pulp and General Process Industries)and by Region (North America, Latin America, Europe, Asia Pacific, Middle East and Africa) - Global Forecast to 2027”, is expected to be valued at US$ 23,471.83 Million by 2027, exhibiting a CAGR of 3.5% during the forecast period (2020-2027), as highlighted in a report published by Coherent Market Insights.


A liquid ring vacuum pump is a unique class of positive displacement pumps that are non-pulsating and primarily, designed to remove gases. Various parts/components of liquid ring vacuum pumps can be made from different materials, with cast iron and stainless steel being the most prominent ones. These pumps are available in a wide range of suction capacity and find applications in various industries such as chemical processing, oil & gas, paper & pulp, power, and other processing industries.

The global Liquid Ring Vacuum Pumps Market was accounted for US$ 2137.9 Mn in terms of value and 197,591 Units in terms of volume in 2019 and is expected to grow at CAGR of 5.2% for the period 2020-2027.

Market Driver

Growing demand for vacuum pumps from general processing industries is expected to accelerate growth of the global liquid ring vacuum pumps market during the forecast period

Liquid ring vacuum pumps and compressors have been witnessing higher demand from process industries, with growing output, especially in the textiles, pulp & paper, sugar processing, pharmaceuticals, and food & beverage industries. Furthermore, increasing demand for energy-efficient manufacturing options in developed countries is expected to boost expenditure in new pumping equipment. This, in turn, is expected to accelerate the demand for liquid ring vacuum pumps. Moreover, rising middle class in developing countries is expected to boost the global liquid ring vacuum pumps market growth over the forecast period.

Market Opportunity

Increasing applications of liquid ring vacuum pumps in chemical industry can present lucrative opportunities

Liquid ring vacuum pumps and compressors find applications in chemical process industries, typically in those requiring solvent recovery, vapor recovery, and vacuum filtration. Moreover, growth of bioethanol and biodiesel industry has led to increased use of liquid ring vacuum pumps in distillation and rectification. According to Coherent Market Insights’ analysis, the global production of bioethanol is expected to expand at a CAGR of 7.1% between 2016 and 2020.

Market Restraint

Increasing penetration of dry vacuum pumps is expected to hamper the global liquid ring vacuum pumps market growth over the forecast period

Rising preference for energy-efficient and clean pumping technologies has led to increased adoption of dry vacuum pumps in pharmaceutical and chemical industry. Furthermore, increasing inclination towards power-efficient technologies, dry vacuum pumps are preferred over liquid ring vacuum pumps. As higher power is required to maintain and form a liquid ring which in turn demands larger motors than other types of vacuum pumps. Moreover, liquid ring vacuum pumps are limited by the vapor pressure of a sealant fluid at the operating temperature. Thus, to create high vacuums, usage of chilled water is indispensable, thereby leading to higher operating expenditure. Hence, these factors are expected to hinder the global liquid ring vacuum pumps market growth over the forecast period.

Market Trends

  1. Continuous merger and acquisition activities is a major trend

Key companies in the market are focused on mergers and acquisitions, in order to gain a competitive edge in the market. For instance, in 2011, Atlas Copco acquired Edwards Group, a market leader in sophisticated vacuum products and abatement solutions. In 2011, Dekker Vacuum Technologies acquired HullVac Pump Corporation to expand its vacuum segment offerings along with strengthening its network of service centers. In 2014, Gardner Denver acquired Conroe Plastics Molding, Inc., a U.S.-based manufacturer of engineered seals, gaskets, and specialty plastic components for pumps and rotating equipment in the petroleum industry, to strengthen its position in offering aftermarket services to its high valued oil and gas customers.

  1. Growing preference for Asian Countries

Increasing concerns with regard to environment, particularly in Europe and North America, have led to a large number of industries shifting their specific product manufacturing bases to countries such as China and India, owing to the favorable business environment and comparatively relaxed environmental norms. High consumption of water for usage as sealing liquid is indispensable when it comes to liquid ring vacuum pumps, and companies are finding it hard to use portable water amid restrictions from environmental protection agencies. Furthermore, handling of contaminated water also adds to the overall cost of production.

Competitive Section

Major companies involved in the global liquid ring vacuum pumps market are Graham Corp., Dekker Vacuum Technologies Inc., Tuthill Vacuum & Blower Systems, Busch Vacuum Technics Inc., Gardner Denver Nash LLC, Flowserve Corporation, Atlas Copco Airpower N.V., Edwards Vacuum, and Tsurumi Manufacturing Co., Ltd.

Key Developments

Major market players are focused on product launches, in order to expand the product portfolio. For instance, in August 2017, Atlas Copco Airpower N.V. launched liquid ring vacuum pumps AWS and AWD, which will be used in various industries including chemicals, pharmaceuticals, plastics, etc.


Market Taxonomy:

  1. By Material Type
  • Cast Iron
  • Stainless Steel
  • Others
  1. By Capacity (cfm)
  • < 500 cfm
  • 500 cfm-1500 cfm
  • > 1500 cfm
  1. By End-use Industry
  • Chemical Processing
  • Oil & Gas
  • Power
  • Paper & Pulp
  • General Process Industries
  1. By Region
  • North America
  • Latin America
  • Europe
  • Asia Pacific
  • MEA
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