Dry Rotary Screw Vacuum Pumps
Reliable, Efficient, and Sustainable
Our range of dry rotary screw vacuum pumps is designed to deliver exceptional reliability, efficiency, and sustainability. By eliminating the need for lubrication in the pumping chamber, these pumps provide a clean, hydrocarbon-free process, making them the ideal choice for industries focused on environmentally-friendly operations. Whether you’re in packaging, electronics, or solar manufacturing, our dry screw vacuum pumps offer high performance with low maintenance, reduced energy consumption, and optimized operational costs.
DWS 200-500 Series
Atlas Copco
The Atlas Copco DWS series of fixed-speed dry rotary screw vacuum pumps is engineered for demanding industrial applications that require clean, lubricant-free vacuum flow. Featuring an innovative variable pitch dry screw design, the DWS series delivers high pumping speeds, rapid pump-down times, and exceptional tolerance for particulates, making it ideal for applications where reliability and low maintenance are critical. With dry screw technology, there are no lubricants in the pumping chamber, reducing operating costs and simplifying maintenance while ensuring consistent, high-quality vacuum performance across a wide range of industries.
- Robust for Harsh Environments: Built to handle harsh contaminants in challenging industrial environments. Available in water-cooled and air-cooled variants (DWS 200, DWS 300, and DWS 500).
- Lower Energy Consumption: Hybrid rotor design with parallel and tapered rotor profiles for optimized performance, reduced footprint, and lower power consumption.
- Purge Protection: Purge protection extends service intervals and prolongs pump life, ensuring durability in environments with harsh contaminant ingress.
- Variants Available: Available in water-cooled and air-cooled variants. DWS 200 and DWS 300 are exclusively air-cooled, while other models offer direct and indirect air-cooled options.
- Easy to Configure: The pump is easily customizable for hazardous process environments, making it a versatile option for diverse dry vacuum applications.
- Wide Range of Accessories: Includes a comprehensive selection of accessories, such as service kits, booster support kits, and silencer kits for improved functionality.
- Lithium-ion batteries
- Automotive coating
- Freeze drying
- Industrial glass coating
- Solar cell manufacturing
- Heat treatment
- Brazing
- Thin film deposition
- Plastic extrusion
- Pharmaceuticals
- Renewable energy
DWS 450-750 VSD⁺ Series
Atlas Copco
The Atlas Copco DWS VSD⁺ dry screw vacuum pump is a plug-and-play solution designed for long-life operations in harsh industrial environments. Engineered for improved performance and stable vacuum, it’s ideal for applications in packaging, drying, electronics, plasma processes, LED manufacturing, and solar. With its dry screw operation, the pump eliminates the need for oil disposal, significantly reducing maintenance costs. The built-in Variable Speed Drive (VSD) optimizes energy consumption, resulting in substantial energy savings. Its compact, robust canopy saves space, offering an economical footprint for your production floor or vacuum utility room.
Robust for Harsh Industrial Applications
Equipped with a constant flow sealing system, gas system with manual ballast control, and non-contact long-life seals, ensuring longer uptime and low maintenance.Pre-Wired and Systemized for Easy Installation
Plug-and-play design with pre-connected, wired, and assembled electrical connections for quick and easy installation.IP-Rated Canopy
Space-saving IP54-rated canopy ensures quiet operation and low power consumption, ideal for industrial environments.Pneumatic Inlet Valve Included
The pneumatic inlet valve comes standard, enabling warm-up/shutdown cycles and seamless integration into central vacuum systems.Designed for Dry Operations
The gearbox is protected from contamination, and the vacuum mechanism operates oil-free, ensuring clean and efficient performance.Intelligent Features and Connectivity
Equipped with Elektronikon™ for advanced monitoring, including status, running/stopped hours, programmable timers, and set-point control for optimized performance.
- Drying (Freeze drying)
- Cooling
- Electronics
- Automotive
- Vacuum chamber evacuation
o Space simulation chambers
o Gas recovery/circulation
o Load lock chambers - Packaging
- Solar
o Silicon crystal-pullings
o PV lamination
o Load lock chambers - LED manufacture
- Plasma processes
o Plasma welding
o Plasma nitriding - Coating
o Roll web coating
o Hard coating (CVD/DLC)
o Surface activation
o Plasma spray
o Glass coating
Benefits of Atlas Copco's Dry Rotary Screw Vacuum Pumps
Environmentally Friendly
Environmentally Friendly: No contaminated oil to dispose of and no exhaust emissions. Enjoy clean and reliable performance while reducing your environmental footprint.
Innovative Technology
Variable Speed Drive (VSD): DHS VSD+ and DWS VSD+ pumps feature VSD technology, adjusting vacuum flow to match process demands. This optimization leads to significant energy savings and improved efficiency.