Top 10 Roots Vacuum Pump Manufacturers in 2026

1. Busch Vacuum Solutions

Busch Vacuum Solutions is one of the most recognized industrial vacuum technology companies worldwide. Its vacuum portfolio covers numerous technologies, including dry vacuum pumps, rotary vane pumps, liquid ring systems, and Roots-type vacuum boosters.

For Roots vacuum applications, Busch offers its well-known PANDA and PUMA vacuum booster series. These pumps are designed to increase pumping speed and improve the achievable pressure of a complete vacuum system when combined with a suitable backing pump.

The portfolio includes versions for industrial vacuum processes, medium and high vacuum applications, leak-tight operation, and demanding process conditions. Certain configurations can also be paired with variable-speed drives, allowing the pumping system to respond more efficiently to changing process loads.

Busch is especially suitable for multinational manufacturers and industrial users requiring standardized global equipment, system engineering, international service support, and a wide selection of backing pump technologies.

Key advantages:

• PANDA and PUMA Roots vacuum booster families
• Strong global engineering and service network
• Broad selection of compatible backing pumps
• Solutions for medium, high, and industrial vacuum
• Suitable for large-scale industrial vacuum systems

2. Leybold

Leybold is a long-established vacuum technology manufacturer with extensive experience in industrial, scientific, coating, semiconductor, energy, and furnace applications. The company is particularly well known in the Roots vacuum pump market for its RUVAC series.

RUVAC Roots blowers are designed to operate together with backing pumps to increase pumping speed and reduce the pressure achievable by the overall vacuum system. Leybold offers several configurations, including standard motor designs, canned-motor versions, hermetically sealed versions, bypass-equipped designs, and frequency-controlled solutions.

The RUVAC WH and WHU range is designed for high-throughput applications and uses a hermetically sealed, water-cooled configuration. These pumps are particularly relevant for processes that require short evacuation cycles, high system uptime, or controlled handling of process gases.

Leybold Roots pumps are commonly found in thin-film coating, lithium-ion battery manufacturing, vacuum furnaces, display manufacturing, solar applications, research systems, space simulation, and high-speed packaging.

Key advantages:

• Established RUVAC Roots blower portfolio
• Standard, bypass, sealed, and frequency-controlled configurations
• Strong expertise in high-throughput vacuum systems
• Suitable for demanding industrial and clean-process applications
• Extensive international technical support

3. Pfeiffer Vacuum

Pfeiffer Vacuum is a major global supplier of vacuum generation, measurement, leak detection, and complete vacuum solutions. Its Roots pump portfolio is centered around the Okta and OktaLine families, which are designed for applications requiring high pumping speeds in low and medium vacuum ranges.

The Okta family covers multiple pumping capacities and can be integrated with different backing pump technologies depending on the required ultimate pressure, process gas, chamber size, and evacuation cycle.

Pfeiffer also offers specialized Roots configurations for demanding applications, including gas-circulation-cooled and explosion-protected variants. This gives system designers additional flexibility when dealing with high thermal loads, process gases, or hazardous operating environments.

Pfeiffer Vacuum is particularly attractive to B2B buyers requiring a combination of vacuum pumps, instrumentation, leak detection, chambers, valves, and system engineering from a single technology supplier.

Key advantages:

• Wide Okta and OktaLine product range
• Options for demanding process and industrial environments
• Strong vacuum measurement and leak detection expertise
• Suitable for coating, metallurgy, research, and process industries
• Complete vacuum system engineering capability

4. DV Vacuum

DV Vacuum is a China-based industrial vacuum equipment manufacturer providing Roots vacuum pumps, Circulatory Gas Cooled Roots Vacuum Pumps, dry screw vacuum pumps, liquid ring vacuum pumps, oil-sealed rotary vane vacuum pumps, engineered vacuum systems, and vacuum accessories.

Unlike suppliers that focus only on standalone vacuum pumps, DV Vacuum can support projects ranging from individual pump selection to complete skid-mounted vacuum packages. Vacuum systems can be configured according to process gas composition, required pumping speed, working pressure, corrosion conditions, condensation risk, operating temperature, and installation requirements.

For Roots vacuum applications, DV Vacuum can integrate Roots pumps with different backing technologies, including dry screw vacuum pumps, liquid ring vacuum pumps, and oil-sealed pumps. This makes it possible to optimize systems for different industries rather than relying on a single standardized pump combination.

DV Vacuum also controls the manufacturing of critical components beginning with raw castings and uses high-precision 5-axis vertical machining centers with machining accuracy up to 0.01 mm for important pump parts before system assembly and testing.

This combination of component manufacturing and vacuum system integration makes DV Vacuum particularly relevant to overseas B2B buyers looking for customized Roots vacuum pumps, OEM manufacturing, process-specific vacuum systems, and China-based industrial vacuum equipment sourcing.

Typical applications include chemical processing, pharmaceuticals, new energy, lithium battery production, electronics, metallurgy, environmental protection, vacuum drying, vacuum distillation, degassing, and industrial process vacuum systems.

Key advantages:

• Roots vacuum pumps and Circulatory Gas Cooled Roots Vacuum Pumps
• Complete engineered vacuum systems
• Multiple backing pump technologies available
• Customized skid-mounted vacuum packages
• Precision machining of critical pump components
• Suitable for OEM and process-specific B2B projects

5. Edwards Vacuum

Edwards Vacuum is a major vacuum technology supplier with a particularly strong presence in semiconductor manufacturing, scientific instrumentation, industrial processes, and advanced manufacturing.

Its mechanical booster portfolio includes several established product families such as GMB Roots Vacuum Booster Pumps, EH Mechanical Boosters, and HV Mechanical Boosters. Edwards also manufactures multistage Roots dry pumps, giving customers access to both conventional booster systems and integrated dry pumping technologies.

Mechanical boosters from Edwards can be combined with appropriate backing pumps to increase pumping speed in pressure regions where the performance of a primary vacuum pump would otherwise decline.

Edwards is particularly well suited to high-value manufacturing environments where process repeatability, contamination control, equipment uptime, global service capability, and integration with larger vacuum architectures are important purchasing considerations.

Key advantages:

• GMB, EH, and HV mechanical booster ranges
• Strong semiconductor and electronics industry experience
• Multistage Roots dry pumping technology
• Global technical and service infrastructure
• Suitable for sophisticated vacuum production environments

6. ULVAC

ULVAC is one of Japan's major vacuum technology companies and provides vacuum pumps, thin-film equipment, vacuum components, instrumentation, and production systems for industrial and high-technology markets.

ULVAC's mechanical booster portfolio includes the MBS, PMB, and PRC series. These Roots-type pumps can be installed upstream of primary roughing pumps such as dry vacuum pumps, rotary pumps, scroll pumps, or liquid-sealed pumps to increase pumping speed over useful process pressure ranges.

The PRC series is particularly relevant to semiconductor and flat-panel display processes, while larger PMB configurations are suitable for applications requiring rapid evacuation of large chambers.

Typical installations include vacuum heating furnaces, vacuum melting, semiconductor processing, LCD manufacturing, clean-room processes, and large-volume vacuum chambers.

Key advantages:

• MBS, PMB, and PRC booster pump families
• Strong semiconductor and display manufacturing experience
• Solutions for clean and large-volume processes
• Wide selection of compatible vacuum technologies
• Established presence throughout Asian manufacturing markets

7. Osaka Vacuum

Osaka Vacuum is a Japanese vacuum technology manufacturer with a product portfolio spanning turbomolecular pumps, dry vacuum pumps, oil-lubricated pumps, liquid ring vacuum pumps, and mechanical booster pumps.

Its Roots vacuum pump range includes RA, RD, and large R-series mechanical booster pumps. The portfolio covers compact direct-drive configurations as well as large belt-driven models intended for high-capacity vacuum installations.

For example, larger Osaka Vacuum Roots pumps are designed for large chambers and industrial processes requiring substantial pumping capacity. The company also supplies complete Roots vacuum pumping systems, allowing the booster and backing pump to be engineered as a coordinated package.

Key application areas include semiconductor production, flat-panel displays, thin-film coating, metals, steel, vacuum drying, casting, electron-beam welding, pharmaceuticals, food processing, and research.

Key advantages:

• Compact and high-capacity Roots pump models
• Direct-drive and belt-drive configurations
• Large chamber evacuation capability
• Complete Roots pumping systems available
• Strong industrial and research application coverage

8. Atlas Copco Vacuum

Atlas Copco Vacuum provides industrial vacuum pumps and centralized vacuum solutions for manufacturing, food processing, chemicals, pharmaceuticals, plastics, electronics, and numerous process industries.

Its DRB and DRB VSD+ booster pump ranges are Roots-type mechanical booster pumps designed to increase system pumping speed and help backing pumps reach lower pressures more efficiently.

Because Roots boosters use a non-contact rotor design in the pumping chamber, they can operate at relatively high rotational speeds while minimizing internal mechanical wear. When correctly matched with a dry or oil-sealed backing pump, the booster can significantly improve overall system performance at lower pressures.

The availability of variable-speed DRB VSD+ configurations is particularly relevant for energy-conscious industrial installations where vacuum demand changes throughout the production cycle.

Key advantages:

• DRB and DRB VSD+ Roots booster pumps
• Fixed-speed and variable-speed solutions
• Strong industrial system engineering capability
• Broad international service coverage
• Suitable for energy-efficient centralized vacuum systems

9. Vacculex

Vacculex is a China-based vacuum equipment manufacturer specializing in industrial vacuum pumps and vacuum solutions. The company identifies Roots vacuum pumps and screw vacuum pumps as important parts of its product and engineering portfolio.

Vacculex targets applications where buyers require not only individual pumps but also technical selection assistance, vacuum system configuration, and process-oriented engineering support.

For international buyers comparing Chinese Roots vacuum pump suppliers, Vacculex represents an alternative to large multinational manufacturers, particularly when project flexibility, China-based manufacturing, cost control, and customized equipment configurations are important.

Its broader vacuum engineering focus makes it relevant for process industries such as chemical manufacturing, pharmaceutical production, vacuum drying, freeze drying, industrial degassing, and general vacuum processing.

Key advantages:

• China-based Roots and screw vacuum pump manufacturing
• Vacuum technology selection support
• Suitable for customized industrial projects
• Competitive option for international B2B sourcing
• Broad process-industry application potential

10. EVP Vacuum Technology

EVP Vacuum Technology is a China-based vacuum equipment supplier offering Roots vacuum pumps together with liquid ring pumps, rotary vane pumps, dry vacuum pumps, vacuum systems, valves, components, and related vacuum equipment.

Its Roots vacuum pump portfolio includes ZJ, ZJP, ERP, and air-cooled Roots pump configurations. This relatively broad selection allows users to select pumps according to required pumping capacity, cooling method, differential pressure, backing pump arrangement, and process conditions.

The ZJP series, for example, is designed as a positive-displacement mechanical booster and is available in multiple pumping capacities. EVP also offers air-cooled Roots configurations for installations where cooling water is unavailable or undesirable.

The company's product range makes it particularly relevant to buyers seeking cost-effective Roots vacuum pumps, replacement equipment, complete vacuum systems, or China-based vacuum equipment sourcing.

Key advantages:

• ZJ, ZJP, ERP, and air-cooled Roots pump ranges
• Multiple pumping capacities available
• Air-cooled solutions for water-limited installations
• Complete vacuum system product portfolio
• Suitable for international industrial sourcing

How to Choose a Roots Vacuum Pump Manufacturer

The best Roots vacuum pump manufacturer depends on much more than the nominal pumping speed of an individual pump. Industrial buyers should evaluate the entire operating process before selecting a supplier.

Important factors include:

• Required pumping speed: The Roots pump and backing pump must be correctly sized according to chamber volume and evacuation time.
• Operating pressure: Roots boosters are normally designed to operate within specific pressure and differential-pressure ranges.
• Backing pump type: Dry screw, liquid ring, rotary vane, rotary piston, and other pump technologies may be selected according to the application.
• Process gas: Corrosive gases, solvents, water vapor, dust, condensable vapors, and toxic gases can require specialized sealing or material configurations.
• Cooling method: Depending on the design, Roots pumps may use water cooling, air cooling, or gas circulation cooling.
• System control: Variable-frequency drives, bypass valves, pressure sensors, interlocks, and PLC controls can improve efficiency and system protection.
• Customization: Process industries frequently require more than a standard standalone pump.
• After-sales support: Spare parts availability, maintenance capability, documentation, and remote technical support should be considered before purchase.

Roots Vacuum Pump vs. Standalone Vacuum Pump

A Roots vacuum pump generally should not be viewed as a direct replacement for a complete primary vacuum pump. Traditional Roots boosters usually require a backing pump because their purpose is to increase pumping speed and improve vacuum performance over a specific pressure range rather than compress directly from vacuum conditions to atmospheric pressure.

This is why the design of the complete vacuum system is often more important than selecting the Roots pump alone. A properly engineered combination can provide faster chamber evacuation, higher effective pumping speed, improved process stability, and potentially lower energy consumption than relying on an oversized primary pump.

Conclusion

The global Roots vacuum pump market includes both long-established international vacuum technology groups and specialized manufacturers capable of supplying customized industrial equipment.

Busch, Leybold, Pfeiffer Vacuum, Edwards, ULVAC, Osaka Vacuum, and Atlas Copco are strong choices for buyers prioritizing established global brands, extensive service networks, standardized platforms, and large-scale industrial support.

For buyers who require greater customization, competitive manufacturing costs, OEM support, or complete engineered vacuum systems from China, manufacturers such as DV Vacuum, Vacculex, and EVP Vacuum Technology provide additional sourcing options.

In particular, buyers working with complex process gases or customized production equipment should prioritize suppliers capable of engineering the Roots pump, backing pump, piping, cooling system, instruments, controls, and skid structure as one integrated vacuum solution.

Ultimately, the best Roots vacuum pump manufacturer is not necessarily the company offering the largest pump or the lowest initial price. The better choice is the supplier that can correctly match the pumping speed, pressure range, gas characteristics, cooling requirements, materials, controls, and backing pump to the actual production process.