Are you looking for a process vacuum system manufacturer for chemical processing, pharmaceutical production, vacuum drying, distillation, evaporation, solvent recovery, filtration, degassing, or other industrial separation processes?
A process vacuum system is more than a standalone vacuum pump. Depending on the application, the complete package may include dry screw pumps, liquid ring pumps, Roots boosters, rotary vane pumps, ejectors, condensers, separators, knockout vessels, heat exchangers, piping, instrumentation, PLC controls, and exhaust-treatment equipment.
The correct configuration depends on the required operating pressure, pumping speed, gas and vapor composition, condensable load, corrosion risk, solids carryover, available utilities, hazardous-area requirements, and responsibility for overall process performance. Buyers should therefore compare suppliers by their ability to engineer the complete duty rather than by pump size alone.
This guide focuses on manufacturers and engineering companies with documented process-vacuum or custom engineered-system capability. It does not include industrial cleaning vacuum suppliers whose main purpose is collecting dust, chips, debris, or factory waste. The numbering below is used to organize the comparison and should not be interpreted as a universal performance ranking.
Chemical & Industrial Process Vacuum: DV VACUUM, Wintek Corporation, Busch Vacuum Solutions, Atlas Copco, Graham Corporation, Edwards Vacuum, Leybold, and DEKKER Vacuum Technologies.
Custom Vacuum & Specialized Process Systems: Vacuum Processes Inc. and Pfeiffer Vacuum+Fab Solutions.
Quick Navigation
- DV VACUUM
- Wintek Corporation
- Busch Vacuum Solutions
- Atlas Copco
- Graham Corporation
- Edwards Vacuum
- Leybold
- DEKKER Vacuum Technologies
- Vacuum Processes Inc.
- Pfeiffer Vacuum+Fab Solutions
1. DV VACUUM
Website: https://www.dvvacuum.com/
Supply Model: China-based industrial vacuum pump manufacturer providing standalone pumps and customized process vacuum systems.
Core Products / Technologies: Dry screw vacuum systems, Roots-dry screw systems, liquid ring vacuum systems, Roots-liquid ring systems, oil rotary vane pumps, Roots vacuum pumps, condensers, separators, controls, and customized vacuum skids.
Why Consider DV VACUUM: DV VACUUM is particularly relevant for buyers who need the vacuum package configured around an industrial process rather than purchasing a pump only by nominal pumping speed. Its product portfolio allows dry screw, liquid ring, Roots booster, and backing-pump technologies to be combined according to operating pressure, vapor load, process gas, cooling conditions, and contamination requirements.
This gives buyers several possible system routes. Dry screw configurations may be considered where oil-free process vacuum is important, while liquid ring systems can be evaluated for vapor-rich or condensable duties. Roots boosters can be added where higher pumping capacity or lower operating pressure is required.
Best Suited For: Chemical processing, pharmaceutical production, vacuum drying, distillation, solvent recovery, crystallization, degassing, new energy manufacturing, environmental processes, and EPC process-vacuum projects.
Before Purchasing: Confirm whether the duty requires a standalone dry screw or liquid ring pump, a Roots-backed system, or a complete vacuum skid. Provide normal and peak gas flow, operating pressure, target ultimate pressure, gas and solvent composition, condensable load, inlet temperature, corrosion risk, solids carryover, cooling-water conditions, voltage/frequency, hazardous-area requirements, installation space, and control interface. Materials, coatings, seals, purge strategy, and certification scope should be confirmed for the specific process.
2. Wintek Corporation
Website: https://wintek-corp.com/
Supply Model: U.S. custom process vacuum and separation system engineering company.
Core Products / Technologies: Liquid ring vacuum systems, dry vacuum systems, rotary vane and rotary piston packages, Roots/lobe booster systems, steam and air ejector-assisted systems, solvent recovery packages, condensers, receivers, knockout vessels, and flash evaporation systems.
Why Consider Wintek Corporation: Wintek is particularly relevant when the process cannot be solved by selecting a catalog pump alone. The company designs custom vacuum systems around the actual operating pressure, vapor load, condensable gases, utilities, materials, and upstream process equipment.
Its systems are used with vacuum dryers, reactors, filter dryers, distillation columns, evaporators, extruders, and other industrial process equipment. Depending on the duty, Wintek can combine liquid ring pumps with lobe boosters, steam or air ejectors, condensers, separators, or dry vacuum pumps.
Best Suited For: Chemical processing, pharmaceuticals, biodiesel, vacuum drying, solvent recovery, distillation, evaporation, filtration, food processing, degassing, and complex separation processes.
Before Purchasing: Define who is responsible for complete process-vacuum performance. Provide normal and peak vapor flow, operating pressure, gas and solvent composition, condenser conditions, fouling tendency, solids or liquid carryover, available cooling water and steam, required materials, hazardous-area classification, controls, redundancy requirements, and whether separators, condensers, receivers, ejectors, or solvent-recovery equipment must be included.
3. Busch Vacuum Solutions
Website: https://www.buschvacuum.com/
Supply Model: Global vacuum pump and engineered vacuum-system manufacturer with international service support.
Core Products / Technologies: COBRA dry screw pumps, DOLPHIN liquid ring pumps, rotary vane pumps, MINK claw pumps, PANDA and PUMA boosters, standardized APOVAC systems, and customized process-vacuum packages.
Why Consider Busch Vacuum Solutions: Busch offers several process-vacuum technologies within one product portfolio. Dry screw systems can be configured for clean or solvent-containing chemical processes, while liquid ring systems are suited to high vapor loads, condensable gases, aggressive solvents, and applications where liquid or particle tolerance is important.
Its APOVAC systems are specifically designed for chemical and pharmaceutical duties such as distillation, crystallization, filtration, and vacuum drying, with condensers and solvent-recovery features available for demanding process conditions.
Best Suited For: Chemical and pharmaceutical processing, distillation, crystallization, filtration, vacuum drying, solvent recovery, food processing, and plants requiring standardized or custom engineered vacuum systems.
Before Purchasing: Confirm whether COBRA dry screw, DOLPHIN liquid ring, or a booster combination is the preferred technology. Define vapor and solvent load, corrosion risk, particle carryover, required materials or coatings, purge requirements, condenser strategy, exhaust treatment, ATEX or other hazardous-area requirements, instrumentation, controls, and commissioning scope.
4. Atlas Copco
Website: https://www.atlascopco.com/
Supply Model: Global industrial vacuum technology manufacturer providing standalone pumps, centralized vacuum systems, and complete engineered process packages.
Core Products / Technologies: DWS dry screw pumps, liquid ring vacuum pumps and systems, dry claw pumps, mechanical boosters, rotary vane pumps, steam ejectors, compressors, controls, and centralized vacuum systems.
Why Consider Atlas Copco: Atlas Copco is relevant for process plants that need several vacuum technologies from one global supplier. Its process-industry portfolio covers dry vacuum, liquid ring vacuum, booster systems, ejectors, and complete packages for chemical, fine chemical, petrochemical, and pharmaceutical applications.
Liquid ring engineered systems are particularly suitable for vapor recovery, degassing, distillation, drying, evaporation, and processes involving high vapor loads or liquid carryover, while dry screw technology can be considered where oil-free compression and reduced process contamination are important.
Best Suited For: Chemical processing, pharmaceuticals, distillation, drying, evaporation, degassing, filtration, solvent recovery, plastics, and large industrial plants seeking integrated vacuum and control systems.
Before Purchasing: Determine whether the process is better suited to dry screw or liquid ring technology. Confirm normal and upset vapor load, liquid or solid carryover, operating pressure, required pumping capacity, seal-liquid arrangement, corrosion requirements, upstream condensation, booster or ejector requirements, variable-speed control, utilities, and overall system responsibility.
5. Graham Corporation
Website: https://www.graham-mfg.com/
Supply Model: Engineered process equipment and vacuum-system manufacturer specializing in ejectors, liquid ring pumps, condensers, and hybrid packages.
Core Products / Technologies: Steam jet ejectors, liquid ring vacuum pumps, hybrid ejector-liquid ring systems, process condensers, heat exchangers, separators, and engineered vacuum packages.
Why Consider Graham Corporation: Graham is particularly relevant to large process installations where vacuum generation and condensation must be engineered together. Its in-house engineering combines ejectors, process condensers, and liquid ring vacuum pumps according to process load, available utilities, required materials, and operating pressure.
This approach can be valuable for vapor-heavy distillation, evaporation, petrochemical, chemical, power, and other industrial processes where a single mechanical vacuum pump is not necessarily the most practical solution.
Best Suited For: Vacuum distillation, chemical and petrochemical processing, evaporation, condenser service, vapor-heavy process applications, large-capacity vacuum systems, and hybrid ejector/liquid-ring packages.
Before Purchasing: Provide vapor and non-condensable load, required operating pressure, condenser inlet conditions, cooling-water temperature, steam availability, materials of construction, corrosion conditions, process turndown, utility-cost priorities, and allowable discharge conditions. Confirm whether the optimal package requires ejectors, liquid ring pumps, process condensers, or a hybrid combination.
6. Edwards Vacuum
Website: https://www.edwardsvacuum.com/
Supply Model: Global vacuum technology manufacturer with dedicated dry-pump and system solutions for chemical, pharmaceutical, semiconductor, and industrial processes.
Core Products / Technologies: CXS, EDS, CDX, EDP, and GXS dry pumps, EH mechanical boosters, scroll pumps, abatement systems, and engineered dry process-vacuum packages.
Why Consider Edwards Vacuum: Edwards is particularly strong in dry process vacuum. Its chemical pump portfolio is specifically designed for demanding chemical and pharmaceutical applications, where corrosive gases, solvents, explosive atmospheres, process liquids, powders, and contamination can affect equipment selection.
Dry pumps can also be combined with mechanical boosters where deeper pressure or higher process throughput is required, creating a process-specific pumping system rather than relying on one pump stage.
Best Suited For: Chemical and pharmaceutical production, API processing, drying, crystallization, evaporation, solvent-containing processes, semiconductor manufacturing, and applications requiring oil-free process compression.
Before Purchasing: Confirm the correct chemical dry-pump family based on process severity. Provide gas and solvent composition, liquid and powder carryover, corrosion conditions, operating pressure, pumping-speed requirement, temperature, purge-gas availability, cooling conditions, booster requirements, exhaust treatment, hazardous-area classification, and service strategy.
7. Leybold
Website: https://www.leybold.com/
Supply Model: Global vacuum technology manufacturer providing dry pumps, liquid ring systems, Roots boosters, controls, and custom pump combinations.
Core Products / Technologies: DRYVAC and SCREWLINE dry screw pumps, RUVAC Roots pumps, liquid ring pumps, rotary vane pumps, gas-jet/liquid-ring combinations, and customized RUTA pumping systems.
Why Consider Leybold: Leybold designs process pump systems for chemical applications where corrosive, condensable, or reactive gases and vapors must be removed reliably. Depending on the process, systems can use dry screw pumps, rotary vane pumps, liquid ring pumps, Roots boosters, or gas-jet-assisted liquid ring arrangements.
This makes Leybold useful for plants that require different vacuum technologies across chemical processing, coating, heat treatment, drying, or other specialized applications.
Best Suited For: Chemical processing, vacuum drying, coating, heat treatment, photovoltaic and battery manufacturing, industrial degassing, and process applications involving corrosive or condensable gases.
Before Purchasing: Define the process chemistry and required pressure range before selecting the pump combination. Confirm corrosive and condensable components, particle load, inlet temperature, pumping speed, required Roots booster, cooling arrangement, purge strategy, system controls, hazardous-area requirements, and protection against deposits or condensation.
8. DEKKER Vacuum Technologies
Website: https://www.dekkervacuum.com/
Supply Model: U.S.-based industrial vacuum pump and engineered system manufacturer with particular strength in liquid ring technology.
Core Products / Technologies: Titan and Maxima liquid ring vacuum pumps, AquaSeal water-sealed systems, ChemSeal solvent-sealed systems, Vmax oil-sealed liquid ring packages, dry claw pumps, rotary vane pumps, and custom-engineered vacuum systems.
Why Consider DEKKER Vacuum Technologies: DEKKER is particularly relevant for wet, solvent-rich, or condensable process applications. Its ChemSeal systems use recovered process solvent as the liquid ring sealing fluid and are specifically engineered for vacuum distillation, drying, solvent recovery, and chemical/pharmaceutical duty.
The company also offers AquaSeal water-sealed systems and several recovery configurations, allowing buyers to balance utility consumption, seal-liquid recovery, process compatibility, and capital cost.
Best Suited For: Chemical and pharmaceutical processing, vacuum distillation, solvent recovery, drying, freeze drying, wet process vacuum, and applications requiring engineered liquid ring systems.
Before Purchasing: Confirm whether water, process solvent, or another compatible sealing fluid should be used. Define vapor composition, solvent-recovery target, operating pressure, required capacity, seal-liquid temperature, cooling load, materials, corrosion risk, condenser requirements, once-through versus partial/full recovery operation, and discharge handling.
9. Vacuum Processes Inc.
Website: https://www.vacpro.com/
Supply Model: U.S. custom vacuum-system and thermal-process equipment design/build company.
Core Products / Technologies: Custom vacuum systems, dry vacuum pumps, vacuum chambers, vacuum and atmosphere furnaces, degassing equipment, CVD and PVD systems, leak-testing systems, controls, piping, and installation services.
Why Consider Vacuum Processes Inc.: Vacuum Processes is different from the chemical process-vacuum specialists above. Its strength is custom equipment and turnkey integration for vacuum chambers, furnaces, coating systems, degassing, thermal processing, and specialized production equipment.
The company provides design, fabrication, engineering, controls, mechanical piping, installation, and service, which can be valuable where the buyer requires complete custom equipment rather than a standardized pump skid.
Best Suited For: Vacuum furnaces, degassing, CVD/PVD coating, brazing, sintering, heat treatment, research systems, custom vacuum chambers, leak testing, drying, curing, and specialized thermal-process equipment.
Before Purchasing: Clearly define the equipment scope. Confirm chamber or vessel dimensions, operating temperature, pressure range, heating or cooling requirements, process gases, materials, pump type, controls, gas and hydraulic systems, ASME requirements where applicable, data acquisition, leak-rate requirements, installation, commissioning, and whether process trials or R&D support are required.
10. Pfeiffer Vacuum+Fab Solutions
Website: https://www.pfeiffervacuum.com/
Supply Model: Global vacuum and fabrication technology manufacturer supplying dry pumps, Roots pumps, pumping stations, chambers, controls, measurement, and customized vacuum solutions.
Core Products / Technologies: Multi-stage Roots dry pumps, Roots boosters, dry backing pumps, pumping stations, vacuum chambers, valves, gauges, leak detection, and customer-specific vacuum systems.
Why Consider Pfeiffer Vacuum+Fab Solutions: Pfeiffer is particularly relevant to clean, high-tech, and manufacturing processes where vacuum generation must be integrated with chambers, pressure measurement, valves, controls, and high-vacuum equipment. Its dry process pumps and Roots combinations are used in demanding applications including semiconductor processing, coating, battery production, and other contamination-sensitive manufacturing processes.
Pfeiffer can also supply standardized multi-stage pumping stations or customer-specific systems when a standard configuration does not meet the production requirement.
Best Suited For: Semiconductor manufacturing, coating, battery production, high-tech manufacturing, vacuum drying, chamber evacuation, research, and process applications requiring integrated dry pumping and measurement technology.
Before Purchasing: Confirm the required process pressure and whether the system needs only rough/medium vacuum or also high-vacuum stages. Define process gas and particle load, contamination limits, pumping speed, chamber volume, evacuation time, Roots and backing-pump configuration, valves and gauges, PLC/control requirements, corrosion protection, purge requirements, and integration with upstream production equipment.
Process Vacuum System Manufacturer Comparison
| Manufacturer | Main System Technologies | Best Fit | Key Purchasing Question |
|---|---|---|---|
| DV VACUUM | Dry screw, liquid ring, Roots combinations | Customized industrial process vacuum | Which pump combination matches the process? |
| Wintek Corporation | Liquid ring, dry pumps, boosters, ejectors, condensers | Complex chemical and separation processes | Who is responsible for complete system performance? |
| Busch Vacuum Solutions | Dry screw, liquid ring, claw, vane, Roots systems | Chemical and pharmaceutical processing | Dry or wet pumping technology? |
| Atlas Copco | Dry screw, liquid ring, boosters, ejectors | Large process and centralized vacuum systems | How much vapor and liquid carryover must be handled? |
| Graham Corporation | Ejectors, liquid ring pumps, condensers | Large vapor-heavy process systems | Mechanical, ejector, or hybrid system? |
| Edwards Vacuum | Chemical dry pumps and boosters | Oil-free chemical and pharma vacuum | What level of corrosive, liquid and powder exposure is expected? |
| Leybold | Dry screw, liquid ring, Roots and hybrid systems | Chemical and specialized industrial vacuum | Which backing-pump and Roots combination fits the chemistry? |
| DEKKER Vacuum Technologies | Liquid ring and solvent-sealed systems | Wet, condensable and solvent-rich processes | Which seal-liquid and recovery configuration is required? |
| Vacuum Processes Inc. | Custom chambers, furnaces and vacuum systems | Thermal, coating and special process equipment | Is the requirement a vacuum skid or complete custom machine? |
| Pfeiffer Vacuum+Fab Solutions | Dry pumps, Roots stations, high-vacuum systems | High-tech and contamination-sensitive manufacturing | Does the process require rough, medium or high vacuum integration? |
How to Choose a Process Vacuum System Manufacturer
1. Define the complete process duty.
Do not start with a pump model. Define the process equipment being evacuated, operating pressure, vapor load, gas composition, required pumping capacity, batch cycle, expected upset conditions, and target process result.
2. Choose the pumping technology according to the process gas.
Dry screw, liquid ring, rotary vane, Roots booster, and ejector technologies have different advantages. Wet, condensable, corrosive, dusty, solvent-rich, and clean gas streams should not automatically use the same pump type.
3. Evaluate condensers and separation equipment.
In many process applications, removing condensable vapor before it reaches the vacuum pump can significantly reduce pump size, energy consumption, solvent emissions, and operating cost. Knockout pots, condensers, receivers, separators, and filters may be as important as the vacuum pump itself.
4. Define hazardous-area and materials requirements.
Corrosive or flammable process gases may require special materials, coatings, seals, motors, electrical components, purge systems, inerting, grounding, instrumentation, or certified equipment. Confirm whether certification applies only to individual components or to the complete packaged system.
5. Clarify system-performance responsibility.
A buyer should know whether the supplier is responsible only for the vacuum pump or for the performance of the complete skid. Clarify the scope of pumps, condensers, piping, controls, separators, instruments, electrical equipment, FAT, installation, commissioning, and process-performance guarantees before ordering.
Information to Provide Before Requesting a Quote
- Process or equipment being evacuated
- Required pumping speed
- Normal operating pressure
- Starting pressure
- Target ultimate pressure
- Normal and peak gas flow
- Gas and solvent composition
- Condensable vapor load
- Gas inlet temperature
- Liquid carryover
- Dust, powder, or particle load
- Corrosion risk
- Batch or continuous operation
- Required evacuation time
- Cooling-water temperature and availability
- Steam availability where ejectors may be considered
- Voltage and frequency
- Hazardous-area classification
- Required materials or coatings
- Exhaust or solvent-recovery requirements
- Standalone pump or complete skid
- PLC and control requirements
- Required redundancy
- Installation footprint
- Inspection, FAT, documentation, and certification requirements
FAQs - Process Vacuum System Manufacturers
1. What is a process vacuum system?
A process vacuum system generates and controls reduced pressure for an industrial production process. Depending on the application, it may include vacuum pumps, Roots boosters, ejectors, condensers, separators, receivers, filters, heat exchangers, valves, instruments, controls, and exhaust-treatment equipment.
2. What is the difference between process vacuum and industrial cleaning vacuum?
Process vacuum is part of manufacturing equipment such as reactors, dryers, distillation columns, evaporators, filters, or degassing systems. Industrial cleaning vacuum is mainly used to collect dust, debris, chips, powders, or spilled material from a facility. They are different purchasing categories.
3. When should I choose a dry screw vacuum system?
Dry screw systems are often considered where oil-free compression, solvent handling, reduced wastewater generation, or clean process vacuum is important. Materials, temperature control, purge gas, coatings, condensation, and corrosion still need to be evaluated for the specific process.
4. When is a liquid ring vacuum system more suitable?
Liquid ring systems can be suitable for wet, condensable, vapor-rich, contaminated, or liquid-carryover processes. Buyers must evaluate seal-liquid compatibility, operating pressure, solvent recovery, corrosion, wastewater generation, cooling load, and seal-liquid recovery configuration.
5. When are Roots boosters used?
Roots boosters are commonly added when higher pumping speed or lower operating pressure is required. They normally operate with a suitable backing pump such as a dry screw, liquid ring, rotary vane, or another process vacuum pump.
6. When are steam ejectors used?
Steam ejectors are often considered for large vapor loads, harsh gases, or deep process vacuum where simple construction and tolerance of difficult process streams are important. Utility steam consumption and condenser requirements should be evaluated against mechanical pumping alternatives.
7. Should a process vacuum system include a condenser?
Not every application requires one, but condensers can reduce vapor load entering the pump, recover valuable solvent, reduce emissions, and lower the required pump capacity. The decision depends on vapor composition, temperature, pressure, cooling-water availability, and recovery objectives.
8. What documents should I request?
Depending on the project, buyers may require performance curves, P&IDs, general arrangement drawings, material certificates, electrical drawings, control philosophy, instrumentation lists, FAT records, operating manuals, hazardous-area documentation, inspection records, and commissioning procedures.
Which Process Vacuum System Supplier Should You Contact?
The right supplier depends on the actual process. Vapor-heavy distillation or evaporation may favor liquid ring, ejector, condenser, or hybrid systems, while solvent-sensitive or contamination-sensitive processes may be better suited to dry screw technology. Specialized thermal, coating, semiconductor, and high-vacuum production systems may require a different supplier from a conventional chemical-process vacuum skid.
For buyers seeking factory-direct industrial vacuum pumps and customized process-vacuum packages, DV VACUUM can be considered for dry screw systems, liquid ring systems, Roots-dry screw combinations, Roots-liquid ring combinations, and customized vacuum skids.
When contacting DV VACUUM, provide the actual process, operating pressure, required pumping speed, gas and solvent composition, condensable load, inlet temperature, corrosion conditions, cooling utilities, hazardous-area requirements, installation space, controls, and whether the scope requires only the vacuum pump or a complete process-vacuum system.
