Are you searching for reliable dry screw vacuum pump manufacturers for your industrial facility? Selecting the right partner for a US plant means comparing oil-free pumping performance, 460V/60Hz electrical readiness, gas compatibility, ANSI flange customization and long-term technical support.
This guide compares 10 leading dry screw vacuum pump manufacturers and suppliers serving the US market in 2026—including domestic builders, global brands with US engineering hubs and direct-to-US OEM manufacturers. Explore their product families, North American capabilities and purchasing considerations to shortlist a suitable partner. Buyers can also review dry screw vacuum pumps to compare configurations for industrial applications.
Quick Navigation
- DV Vacuum
- Busch Vacuum Solutions
- Leybold
- EVP Vacuum Technology
- Atlas Copco Vacuum Solutions
- Edwards Vacuum
- NES Company
- SC Air Power Tech
- ULVAC
- Becker
1. DV Vacuum
Website: https://www.dvvacuum.com/
US Supply Model / Operations: Direct-to-US OEM manufacturer with in-house production and custom engineering for North American industrial standards (60Hz power, ANSI connections and custom skid packages).
Core Products / Technologies: DVS constant-pitch dry screw vacuum pumps and variable-pitch dry screw vacuum pumps; Roots boosters and integrated dry screw vacuum systems.
Why Consider DV Vacuum: Offers both screw geometries and the ability to engineer complete Roots–dry screw booster skids at factory-direct pricing. This makes DV Vacuum a practical choice when US plant engineers or OEM equipment builders need a customized, turnkey process vacuum package that can align with target project budgets.
Best Suited For: US chemical processing, pharmaceutical production, solvent recovery, lithium battery materials and OEM process systems seeking high-value engineered alternatives.
Before Purchasing: Provide your gas composition, working pressure (Torr or mbar), required pumping speed (ACFM or m³/h), solvent content, 460V/60Hz motor preferences and any hazardous-location requirements. Ask which corrosion-protection coatings and mechanical seal options apply to your process.
2. Busch Vacuum Solutions
Website: https://www.buschvacuum.com/
US Presence / Supply Model: US headquarters and manufacturing facility in Virginia Beach, Virginia, supported by regional service centers across the United States.
Core Products / Technologies: COBRA NX, NC, DX PLUS and other COBRA dry screw vacuum pump families.
Why Consider Busch Vacuum Solutions: With extensive US system-building capacity, the COBRA industrial portfolio offers versatile approaches to cooling, variable-speed control and process configuration. Selected variants are configurable for hazardous duties, while the DX PLUS series integrates smart speed control and operator interfaces.
Best Suited For: US chemical and vapor handling, industrial vacuum drying, battery material manufacturing and process plants requiring domestic field service support.
Before Purchasing: Request the exact US 60Hz performance curve and datasheet; verify corrosion options, condensable vapor handling, flushing strategy and whether UL/Class I Div 1 or Div 2 requirements apply to the exact ordered unit.
3. Leybold
Website: https://www.leybold.com/
US Presence / Supply Model: North American headquarters in Export, Pennsylvania, offering multiple dry screw product families, system integration and US aftermarket support.
Core Products / Technologies: DRYVAC, DURADRY, LEYVAC, NOVADRY and SCREWLINE SP dry screw vacuum pumps, plus configured dry vacuum systems.
Why Consider Leybold: A broad product range allows US engineering teams to match vacuum duty to specific operating pressures and gas loads rather than forcing a single screw platform onto every line. Dedicated North American packages simplify integration with Roots blowers and process chambers.
Best Suited For: Industrial coating, metallurgical heat treatment, freeze drying and US facilities needing application-engineered pump selection.
Before Purchasing: Compare the permitted gas load and continuous operating pressure across product families. Confirm purge gas requirements, 60Hz pump-down curves, exhaust arrangements and proximity to US service hubs.
4. EVP Vacuum Technology
Website: https://www.evpvacuum.com/
US Supply Model / Operations: Global vacuum pump manufacturer supplying the North American market via direct export and distributor channels.
Core Products / Technologies: EDSE and EDSV dry screw vacuum pumps and B-EDSE/B-EDSV variants, alongside Roots and liquid ring technologies.
Why Consider EVP Vacuum Technology: EVP publishes detailed screw pump series and model-level technical tables, making it straightforward for US project engineers to conduct preliminary capacity and motor-power comparisons when sourcing cost-effective overseas equipment.
Best Suited For: Engineering teams purchasing standalone dry pumps or evaluating budget-friendly configurations for chemical, pharmaceutical and general industrial vacuum use.
Before Purchasing: Check quoted flow at your actual operating pressure (in Torr) and confirm 60Hz motor adaptation. Verify wetted materials, cooling specifications, factory testing protocols and US import documentation.
5. Atlas Copco Vacuum Solutions
Website: https://www.atlascopco.com/
US Presence / Supply Model: Major US vacuum and industrial equipment presence (including operations in Rock Hill, South Carolina and nationwide distribution), offering fixed-speed and VSD+ dry screw lines.
Core Products / Technologies: DWS 200–500 fixed-speed, DWS VSD+ and DHS VSD+ dry screw pump ranges.
Why Consider Atlas Copco Vacuum Solutions: Its portfolio clearly separates fixed-speed base units from variable-speed (VSD+) systems that automatically adjust to fluctuating plant demand. This is highly relevant to US factories targeting plant-wide energy reduction and lower utility bills.
Best Suited For: High-throughput US manufacturing, lithium battery and solar coating lines, industrial drying and plants upgrading to centralized house vacuum systems.
Before Purchasing: Ask for the flow-versus-pressure curve, PLC control architecture, measured energy consumption across your duty cycle and compatibility with vapor, particulates and local plant cooling utilities.
6. Edwards Vacuum
Website: https://www.edwardsvacuum.com/
US Presence / Supply Model: Strong US footprint including North American manufacturing and technology centers in Sanborn (New York), Hillsboro (Oregon) and Chandler (Arizona).
Core Products / Technologies: EDS, EXS, GXS, IDX and CDX dry screw pump lines for chemical, industrial and semiconductor duties.
Why Consider Edwards Vacuum: Multiple specialized product families make Edwards a top contender for US projects where harsh chemical tolerance, hazardous-area compliance (Class I Div 1/Div 2) and deep vacuum performance must be engineered together.
Best Suited For: US Gulf Coast and Midwest petrochemical plants, pharmaceutical API production, specialty chemicals and high-tech manufacturing requiring oil-free compression.
Before Purchasing: Specify whether the process stream contains flammable solvents, monomers, dust or oxygen-rich mixtures. Validate permitted gas loads, nitrogen purge needs, exhaust abatement and US service exchange options.
7. NES Company
Website: https://nescompany.com/
US Presence / Supply Model: Domestic United States manufacturer and engineered-system builder based in Fairfield, New Jersey, specializing in industrial vacuum equipment and aftermarket support.
Core Products / Technologies: NSP variable-pitch dry screw vacuum pumps and custom-engineered vacuum packages.
Why Consider NES Company: As a dedicated US supplier, NES documents its NSP series thoroughly—covering variable-pitch rotor design, model variants and skid integration. Their domestic expertise in repair, parts and system retrofits is particularly valuable for US plant upgrades.
Best Suited For: US chemical and petrochemical facilities, vacuum distillation, drying applications, vapor recovery and plants replacing aging liquid-ring or steam-ejector systems.
Before Purchasing: Confirm the specific NSP unit performance in ACFM at your target Torr level, preferred NEMA motor/drive arrangement, seal purge requirements, spare-parts stocking and skid integration scope.
8. SC Air Power Tech
Website: https://scscrew.com/
US Supply Model / Operations: Export-focused manufacturer supplying North American industrial buyers and equipment distributors directly from its production base.
Core Products / Technologies: Dry screw vacuum pumps, liquid ring vacuum pumps and process-specific vacuum packages.
Why Consider SC Air Power Tech: SC Air Power Tech emphasizes detailed process-data evaluation prior to model sizing, including working pressure, actual volumetric flow and operating conditions. This assists US buyers who are converting an existing wet vacuum system into a dry-screw setup.
Best Suited For: US industrial buyers comparing overseas water-ring replacement options, filtration and dewatering installations, and custom process vacuum skids.
Before Purchasing: Send your real flow requirement (ACFM at operating Torr), not just motor horsepower. Request factory acceptance test (FAT) data, 60Hz electrical compatibility, duty-cycle limits and shipping lead times to US ports.
9. ULVAC
Website: https://www.ulvac.com/
US Presence / Supply Model: North American subsidiary (ULVAC Technologies, Inc.) headquartered in Methuen, Massachusetts, with service and support centers near major US tech hubs.
Core Products / Technologies: LS Series dry screw vacuum pumps, alongside dry roots, turbo pumps and high-vacuum process equipment.
Why Consider ULVAC: The LS Series provides a compact footprint and clean, oil-free operation tailored for high-purity environments. ULVAC’s strong US presence in thin-film and semiconductor equipment makes it an established partner when vacuum pumps are part of an automated production line.
Best Suited For: US semiconductor fabs, optics and PVD/CVD coating lines, electronics manufacturing and cleanroom vacuum operations.
Before Purchasing: Confirm exact LS model lead times in the US, compatible gas and byproduct powder loading, exhaust treatment integration, cooling water needs and regional field service coverage.
10. Becker
Website: https://www.becker-international.com/
US Presence / Supply Model: US headquarters and warehouse located in Cuyahoga Falls, Ohio (Becker Pumps Corp.), serving North American OEMs and end-users.
Core Products / Technologies: VADS Series dry screw vacuum pumps featuring integrated frequency-inverter drive technology.
Why Consider Becker: Becker combines direct-drive dry screw technology with an onboard VFD to match pumping speed to real-time process demand. With strong inventory and support out of Ohio, Becker is well-positioned for US machinery builders and industrial plants with variable vacuum loads.
Best Suited For: US food packaging lines, CNC routing and woodworking, automated pick-and-place machinery, OEM equipment and general industrial vacuum.
Before Purchasing: Match the VFD speed-control range and ultimate pressure with your cycle requirements. Verify inlet filtration for dusty environments, plant noise limits (dBA) and cabinet maintenance access.
Key Factors That Affect Dry Screw Vacuum Pump Prices in the USA
When sourcing a dry screw vacuum pump in the United States, the bare-pump quote is only part of the total installed cost. A fair evaluation must compare domestic brand pricing structures against direct OEM importing options under the exact same operating duty, electrical specification and scope of supply.
- Duty-point performance (CFM & Torr): Effective pumping speed at your actual operating pressure, ultimate vacuum and required chamber pump-down time dictate frame size and motor horsepower.
- US electrical & mechanical standards: Specifying 460V/3-phase/60Hz NEMA motors, UL-listed control panels, Class I Div 1 or Div 2 hazardous-location ratings and ANSI flange connections directly impacts engineering cost.
- Gas compatibility & EPA compliance: Corrosive vapors, condensable solvents and particulate carryover may require Ni-P/PTFE coatings, nitrogen purge controls, knock-out pots or exhaust condensers to meet US environmental regulations.
- Turnkey skid integration: Combining a backing pump with Roots boosters, closed-loop cooling, PLC instrumentation and baseplates into a plug-and-play skid reduces expensive on-site US labor and piping work.
- Supply chain & lifecycle value: Comparing domestic warehouse stock against factory-direct OEM procurement (including shipping terms, factory acceptance testing and spare seal kits) helps engineering teams optimize capital allocation for custom vacuum packages.
For an apples-to-apples comparison, request 60Hz performance curves, general arrangement (GA) drawings, utility consumption tables and an itemized scope of supply from all shortlisted manufacturers.
FAQs – Buying Dry Screw Vacuum Pumps in the US Market
1. How does a dry screw vacuum pump work?
Two counter-rotating screw rotors convey and compress gas through the pumping chamber without contact and without sealing oil or water in the process path. Tight clearances maintain vacuum performance, while timing gears and bearings are isolated in separately lubricated end housings.
2. What specifications should US buyers include in an RFQ?
Include required pumping speed (ACFM or m³/h) at operating pressure (Torr or mbar), target ultimate vacuum, full gas/vapor composition, inlet temperature, duty cycle, plant voltage (typically 460V/60Hz), flange preference (ANSI/ISO) and any NEC hazardous-area classifications.
3. Why are US industrial plants replacing liquid ring pumps with dry screw pumps?
Dry screw vacuum pumps eliminate contaminated seal water, wastewater treatment costs and steam/water utility dependency. They also achieve deeper ultimate vacuum and allow clean solvent recovery at the exhaust, helping US chemical and pharmaceutical plants meet stricter environmental rules.
4. Is a variable-pitch screw always more efficient than constant-pitch?
Not always. Variable-pitch rotors offer internal compression that reduces power consumption in clean or light-vapor duties, whereas constant-pitch designs are often preferred where heavy condensables, polymerization or particulates could foul tight compression zones. Compare curves at your exact duty point.
5. Can overseas OEM manufacturers configure pumps for US electrical and flange standards?
Yes. Experienced direct-to-US manufacturers like DV Vacuum routinely engineer systems for 460V/60Hz operation, integrate VFD controls, supply ANSI/ASME-compatible flange adapters and provide full English documentation and factory test reports prior to shipment.
6. When should I combine a Roots booster with a dry screw pump?
Adding a booster is ideal when your process requires high volumetric pumping speed (CFM) in the fine-to-medium vacuum range (10 to 0.01 Torr). Roots vacuum pumps paired with a dry screw backing pump reduce system footprint and energy use compared to running an oversized standalone screw pump.
7. What certifications or standards should US buyers verify?
Verify ISO 9001 quality management, motor efficiency compliance, and—for flammable or explosive gas environments—whether the application requires NEC Class I, Division 1 or Division 2 compliant motors, instrumentation and flame arrestors.
8. How should I compare quotes between US distributors and factory-direct manufacturers?
Evaluate both offers against identical duty points and material specifications. Factor in whether accessories (silencers, purge manifolds, inlet filters, Roots boosters and VFDs) are included as standard, and weigh total landed price against required delivery lead times.
Who Is the Best Dry Screw Vacuum Pump Manufacturer for US Buyers?
There is no single best choice among dry screw vacuum pump manufacturers serving the US market. Established multinational brands with US service centers suit plants requiring immediate local field dispatch, while factory-direct OEM manufacturers offer strategic customization and procurement flexibility for engineered projects and equipment builders.
DV Vacuum is strongly worth evaluating when your US project requires constant-pitch or variable-pitch DVS dry screw pumps, or a custom-built skid combining dry screw pumps with Roots vacuum boosters. With in-house manufacturing, 60Hz/ANSI customization capabilities and tailored technical proposals, DV Vacuum delivers reliable industrial vacuum solutions structured to match specific project requirements.
To request a technical proposal and US shipping quote from DV Vacuum, share your gas composition, operating pressure, required flow rate, inlet temperature, electrical supply (V/Hz) and destination port or zip code.
