
The NASH 2BV7 Monoblock Liquid Ring Vacuum Pump is designed for small to medium capacity applications where a compact footprint, operational simplicity, and reliable performance are essential.
By integrating the pump and motor into a single unit, the 2BV7 reduces installation complexity while maintaining consistent vacuum performance across a wide range of industrial processes.

Its liquid ring design allows it to handle saturated gases, vapors, and process carryover without damage, making it well suited for environments where moisture or contamination is present.
Engineered for continuous-duty operation, the 2BV7 delivers a balance of efficiency, durability, and low maintenance, making it a practical solution for general plant vacuum systems and OEM-integrated equipment.
Key Characteristics
- Suction Capacity: Approximately 400 to 1,500 m³/h (235 to 880 ACFM)
- Vacuum Range: Down to approximately 33 mbar abs. (1 inHgA), depending on operating conditions
- Maximum Discharge Pressure: Up to approximately 2.3 bar abs. (32 psia)
- Differential Pressure: Up to approximately 1.3 bar (19 psi)
- Design Configuration: Monoblock construction with integrated motor and pump
- Operating Principle: Liquid ring technology for handling wet, humid, or contaminated gas streams
- Materials of Construction: Cast iron with optional corrosion-resistant materials
- Shaft Sealing: Mechanical seal designed for reliability and reduced leakage
- Noise/Vibration: Stable, low-noise operation suitable for plant environments
- Duty Rating: Continuous-duty operation
Ideal Applications
The NASH 2BV7 is well suited for applications requiring dependable vacuum generation in a compact, easy-to-integrate design. It is typically selected when application requirements exceed the capacity of smaller monoblock units while still requiring a space-saving, integrated solution.
It performs reliably in operations where moderate capacity, ease of installation, and consistent performance under variable or moisture-laden conditions are critical. Common applications include:
- Vacuum filtration systems
- Industrial drying processes
- Liquid and gas degassing applications
- Vapor recovery and solvent handling
- Vacuum packaging systems
- General industrial vacuum systems
Industries Served
- Chemical Processing
- Food and Beverage
- Plastics and Rubber
- Packaging
- Environmental and Wastewater Treatment
- Pharmaceutical Processing
- Pulp and Paper
- General Manufacturing












