We have compiled a list of manufacturers, distributors, product information, reference prices, and rankings for Liquid ring vacuum pump.
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Liquid ring vacuum pump Product List and Ranking from 5 Manufacturers, Suppliers and Companies

Last Updated： Aggregation Period:Aug 27, 2025～Sep 23, 2025
This ranking is based on the number of page views on our site.

Liquid ring vacuum pump Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Aug 27, 2025～Sep 23, 2025
This ranking is based on the number of page views on our site.

  1. Nikuni Co., Ltd. Kanagawa//Machine elements and parts
  2. 大阪真空機器製作所 Osaka//Industrial Machinery
  3. 大喜産業 Osaka//Machine elements and parts
  4. 4 南出キカイ Osaka//Trading company/Wholesale
  5. 5 マーケットリサーチセンター Tokyo//Service Industry
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Liquid ring vacuum pump Product ranking

Last Updated： Aggregation Period:Aug 27, 2025～Sep 23, 2025
This ranking is based on the number of page views on our site.

  1. Liquid-sealed vacuum pump (water-sealed vacuum pump) 大阪真空機器製作所
  2. Liquid-sealed (water-sealed) vacuum pump SKH400-800 Nikuni Co., Ltd.
  3. Liquid-sealed (water-sealed) vacuum pump LVFD/LVSD Nikuni Co., Ltd.
  4. 4 Liquid-sealed vacuum pump / Nikuni Co., Ltd. 大喜産業
  5. 5 Single-stage liquid-sealed vacuum pump 'HVSD' Nikuni Co., Ltd.

Liquid ring vacuum pump Product List

1～9 item / All 9 items

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Liquid-sealed (water-sealed) vacuum pump LVFD/LVSD

Liquid-sealed (water-sealed) vacuum pump LVFD/LVSD

This is a compact liquid-sealed (water-sealed) vacuum pump with low noise and excellent durability, featuring an integrated motor.

Nikuni's liquid-sealed (water-sealed) vacuum pump excels in safety and economy. ■ Safety The pump performs gas suction and compression through the piston motion of water in each cell of the impeller, allowing for the transfer of gas containing mist or water vapor without any issues. There is no metal contact inside the pump, and it is completely sealed by a liquid film, preventing leaks and making it suitable for the suction and compression of explosive or highly corrosive gases. ■ Economy With a high-efficiency design, it pursues economic benefits and significantly reduces power consumption (up to 30% energy savings compared to two-stage models). The liquid-sealed structure ensures there are no gas leaks, making it effective for the pumping and compression of expensive gases. ■ Low Noise Since suction and compression occur continuously for the number of cells in the impeller with each shaft rotation, there is no pulsation or vibration. Additionally, when combined with a silencer separator, the noise is kept extremely low. ■ Durability The simple and robust structure, along with the absence of sliding parts or mechanical contact except for the sealing area within the pump, contributes to its excellent durability. Its side air inlet structure is resistant to wear, maintaining high performance for a longer period compared to internal air inlet types. ■ Cleanliness There is no generation of oil mist like in oil rotary types, ensuring a clean environment is maintained.

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Liquid-sealed (water-sealed) vacuum pump SKH400-800

Liquid-sealed (water-sealed) vacuum pump SKH400-800

Coupling direct connection type, it features low noise, excellent durability, and high cleanliness.

The Nikuni liquid-sealed (water-sealed) vacuum pump is a liquid-sealed (water-sealed) vacuum pump that excels in safety and economy. ■ Safety The pump performs gas suction and compression by the movement of water in each cell of the impeller, so there is no issue with transporting gases that contain water or water vapor. There is no metal contact inside the pump, and it is completely sealed by a liquid film, resulting in no leakage. This makes it suitable for the suction and compression of explosive or highly corrosive gases. ■ Economy We have pursued economy through a high-efficiency design, significantly reducing power consumption. (Energy savings of 30% compared to two-stage pumps are possible.) The water-sealed structure ensures that gas leakage is virtually nonexistent, making it effective for the transport and compression of expensive gases. ■ Other... It achieves low noise levels. Since suction and compression occur continuously for each cell of the impeller with one shaft rotation, there is no pulsation or vibration. Additionally, when combined with a silencer separator, the noise is kept extremely low. *For more details on the liquid-sealed (water-sealed) vacuum pump, please download the catalog or contact us.

  • Hydraulic Equipment

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Liquid-sealed (water-sealed) vacuum pump LV102/LV202

Liquid-sealed (water-sealed) vacuum pump LV102/LV202

【Direct Coupling Type】Excellent safety and economy! This is a liquid-sealed (water-sealed) vacuum pump that achieves low noise.

The Nikuni liquid-sealed (water-sealed) vacuum pump excels in safety and economy. The coupling direct type and belt-driven liquid-sealed vacuum pump "LV102/LV202" performs gas suction and compression by the piston motion of water in each cell of the impeller, allowing for the transfer of gases containing water or water vapor without any issues. There is no metal contact inside the pump, and it is completely sealed by a liquid film, preventing leaks and making it suitable for the suction and compression of explosive or highly corrosive gases. The high-efficiency design pursues economy and significantly reduces power consumption. 【Features】 - Excellent safety - Excellent economy - Achieves low noise *For more details on the liquid-sealed (water-sealed) vacuum pump, please download the catalog or contact us.

  • Vacuum pump

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Liquid-sealed vacuum pump (water-sealed vacuum pump)

Liquid-sealed vacuum pump (water-sealed vacuum pump)

A liquid-sealed vacuum pump is a vacuum pump that can compress to atmospheric pressure, using water or process fluid as the sealing liquid.

It is possible to obtain the reaching pressure near the vapor pressure of the sealing liquid, and it is often referred to as a water-sealed vacuum pump when water is used as the sealing liquid. 【Features】 ○ Various sealing liquids, including water, can be selected, allowing for the choice of the optimal sealing liquid according to the application, thus accommodating the exhaust of gases containing water vapor and organic solvents (condensable gases). ○ By circulating the sealing liquid in a closed (closed-cycle) system, it is also possible to minimize the generation of waste liquid. ○ By combining with other pumps, it can accommodate various processes. - By combining with a Roots pump, it achieves high exhaust and high vacuum with less energy (PRL series). - By combining with an Atmosstar (air ejector), it can favorably improve the reaching pressure and prevent cavitation (single-stage Atmosstar: WA series, two-stage Atmosstar: WB series). ● For more details, please contact us.

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  • Vacuum pump
  • Vacuum Equipment

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Single-stage liquid-sealed vacuum pump 'HVSD'

Single-stage liquid-sealed vacuum pump 'HVSD'

Achieves a vacuum performance of 4 kPa equivalent to a two-stage system with a single-stage design. The newly developed water-saving mechanism reduces the water supply amount by 30% compared to the conventional model.

The one-stage liquid-sealed vacuum pump "HVSD" is a new product that not only offers excellent vacuum performance but also reduces the amount of make-up water. It suppresses cavitation even at high vacuum levels, prevents noise generation, and contributes to the longevity of components. 【Features】 ■ Achieves high vacuum operation at 4 kPa without an air ejector ■ Reduces make-up water consumption by 30% compared to our conventional models ■ Contributes to factory SDGs initiatives ■ Improves operational stability *For more details, please refer to the catalog available for download in PDF format.

  • Vacuum pump

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[Delivery Example] Liquid Sealed Circulation Type Liquid Sealed Vacuum Pump

[Delivery Example] Liquid Sealed Circulation Type Liquid Sealed Vacuum Pump

Consists of a casing and an impeller inside! Introducing a case study of a liquid-sealed vacuum pump delivery.

We would like to introduce a case where a "liquid-sealed vacuum pump with a sealed liquid circulation system (closed cycle)" was delivered to a vacuum distillation process for recovering organic solvents in a high-performance film manufacturing plant. Raising the temperature of organic solvents can lead to degradation, but in vacuum distillation, it is possible to evaporate and recover organic solvents without increasing the temperature by reducing the pressure. Additionally, to prevent contamination of the recovered organic solvents, the parts in contact with the liquid in this pump and the closed cycle liquid circulation supply system are made of stainless steel, and the sealing materials are fluororubber or PTFE. 【Case Overview】 ■ Delivery Location: Polyolefin High-Performance Film Manufacturing Plant ■ Delivered Product: Liquid-sealed vacuum pump with a sealed liquid circulation system (closed cycle) *For more details, please refer to the PDF document or feel free to contact us.

  • Vacuum pump

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[Research Material] Global Market for Liquid-Sealed Vacuum Pumps

[Research Material] Global Market for Liquid-Sealed Vacuum Pumps

World Market for Liquid-Sealed Vacuum Pumps: Below 500 cfm, 500m3-1500 cfm, Above 1500 cfm, Chemical Processing, Oil & Gas ...

This research report (Global Liquid Ring Vacuum Pumps Market) investigates and analyzes the current status and outlook for the global liquid ring vacuum pump market over the next five years. It includes information on the overview of the global liquid ring vacuum pump market, trends of major companies (sales, selling prices, market share), market size by segment, market size by major regions, and distribution channel analysis. The segments by type in the liquid ring vacuum pump market include those with less than 500 cfm, 500m3-1500 cfm, and over 1500 cfm, while the segments by application cover chemical processing, oil and gas, power generation, paper and pulp, and general process industries. The regional segments calculate the market size of liquid ring vacuum pumps by dividing them into North America, the United States, Europe, Asia-Pacific, Japan, China, India, South Korea, Southeast Asia, South America, the Middle East, and Africa. The report also includes the market share of major companies in the liquid ring vacuum pump sector, product and business overviews, and sales performance.

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Tsurumi Manufacturing Co., Ltd. Liquid-sealed Vacuum Pump (Integrated Type) VD Model

Tsurumi Manufacturing Co., Ltd. Liquid-sealed Vacuum Pump (Integrated Type) VD Model

Lightweight compact liquid-sealed vacuum pump

This is a liquid-sealed vacuum pump that uses sealing liquid as a piston, eliminating the need for lubricating oil, resulting in low noise and environmentally friendly operation. The removal of the conventional coupling section has significantly reduced weight and size. O-rings and gaskets are used in the sealing area, improving maintainability. A ball valve mechanism is incorporated in part of the discharge port, ensuring stable operation even in high vacuum conditions. The motor output ranges from 0.4 to 5.5 kW. There is also a packaged version (VDP type) that features a common base for the main unit and a supply tank for the sealing liquid. *For more details, please refer to the PDF document or feel free to contact us.

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Liquid-sealed vacuum pump / Nikuni Co., Ltd.

Liquid-sealed vacuum pump / Nikuni Co., Ltd.

Free from accidents caused by the inhalation of mist and water vapor! Protecting a clean environment without the generation of oil mist.

The "liquid-sealed vacuum pump" is a single-stage vacuum pump with a one-action, side inlet structure. It performs gas suction and compression by the pistonic movement of water in each cell of the impeller, making it completely suitable for transporting gases containing mist or water vapor without any issues. Additionally, there is no metal contact inside the pump, and it is completely sealed by a liquid film, preventing any leakage, making it suitable for the suction and compression of explosive or highly corrosive gases. 【Features】 ■ Pursues economy through high-efficiency design, significantly reducing power consumption ■ The water-sealed structure ensures zero gas leakage, effective for the transfer and compression of expensive gases ■ Low noise ■ Excellent durability ■ No generation of oil mist, maintaining a clean environment *For more details, please download the PDF or feel free to contact us.

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