
The NASH 2BE4 Liquid Ring Vacuum Pump & Compressor is a large-capacity, two-stage system engineered for reliable performance in demanding industrial environments.
Built as an evolution of the proven 2BE platform, the 2BE4 series is designed for continuous-duty operation while delivering improved efficiency and reduced operating costs.

Its robust construction and advanced liquid ring design allow it to handle saturated gases, vapors, and entrained liquids with ease—making it a dependable solution for processes where uptime and consistency are critical.
Key Characteristics
- Suction Capacity: 1,150 to 19,000 ACFM (1,950 to 32,100 m³/h)
- Vacuum Range: Down to approximately 33 mbar abs. (1 inHgA)
- Compression Capability: Suitable for both vacuum and compression applications
- Design Configuration: Two-stage liquid ring system for improved efficiency and deeper vacuum levels
- Casing: Application-proven polyisoprene-lined casing for enhanced corrosion and erosion resistance
- Materials of Construction: Cast iron, stainless steel, and specialty alloys available
- Shaft Seals: Mechanical seal options available for process reliability
- Operation: Smooth, low-vibration performance with minimal maintenance requirements
- Configuration Flexibility: Multiple inlet and discharge options for easier system integration
Ideal Applications
The 2BE4 is commonly used in high-volume industrial processes requiring consistent vacuum or compression performance, including:
- Vacuum filtration
- Condenser air extraction
- Gas compression
- Solvent recovery
- Vapor handling
- Deaeration processes
- Exhaust and gas handling systems
Industries Served
- Chemical Processing
- Power Generation
- Pulp & Paper
- Oil & Gas
- Petrochemical
- Mining & Minerals
- Environmental Systems
- Food Processing












