DN25-DN200 Stainless Steel Water Ring Vacuum Pump
PWS2BV
Pumping Rate：3-600 m³/h
Motor Power：1.5-110 kW
Inlet/Outlet Range：DN25-DN200
Limiting Vacuum：-0.092-0.098 MPa（92%~98% Vacuum）
Working Fluid Flow Rate: 5-50 L/min. Generally, clean water is used. For corrosive gases, other liquids (such as ethanol) can be used instead.
Motor Power：1.5-110 kW
Inlet/Outlet Range：DN25-DN200
Limiting Vacuum：-0.092-0.098 MPa（92%~98% Vacuum）
Working Fluid Flow Rate: 5-50 L/min. Generally, clean water is used. For corrosive gases, other liquids (such as ethanol) can be used instead.
Quantity
Engineered for rigorous environments in the chemical, food, and pharmaceutical sectors, this stainless steel single stage vacuum pump provides exceptional reliability where corrosion resistance is paramount. Utilizing a robust 304 or 316L stainless steel frame, the unit effectively manages aggressive gases and volatile media with high efficiency and minimal upkeep.As a highly versatile water vacuum pump solution, it is equally optimized for water treatment applications and industrial processing. Furthermore, its compact and durable design makes it an ideal automotive vacuum pump for specialized vehicle integration. This PWS-developed solution guarantees ultra-clean performance for high-precision tasks, offering flexible durability across multiple technical industries.
Pump Design Principle
- Water ring type for efficient operation
The impeller is mounted eccentrically on the pump body, forming a closed water ring when rotating. Through the cyclic change of volume between the vane and the water ring, gas inhalation, compression and discharge are realized, the process is smooth and pulse-free, suitable for sensitive media transportation.
- All stainless steel corrosion-resistant structure
Pump body, impeller and other core components are cast in 304/316L stainless steel, resistant to acid gases, organic solvents and high-temperature steam corrosion, life expectancy of more than 2 times than the traditional cast iron pump.
- Flexible adaptation of working fluid
The default sealing liquid is water, and for corrosive gases, it can be replaced by ethanol, glycol and other liquids to avoid the risk of media contamination.
Pump Performance Highlights
- Rapid evacuation
Set vacuum level is reached within 30 seconds, reducing production preparation time;
- Low failure rate design
Metal-free friction structure, reducing the wear rate of key components by 60%;
- Intelligent monitoring compatibility
Optional pressure sensor and flow meter interface for real-time feedback of operation status;
- Modular maintenance
Impeller, end cap and other components can be quickly disassembled, single person 30 minutes to complete the basic maintenance.
Pump Application Scenarios
- Chemical industry
Chlor-alkali production tail gas recovery, reactor vacuum drying, solvent distillation;
- Pharmaceutical field
Freeze-drying machine supporting, aseptic packaging vacuum, raw material drug degassing;
- Food processing
Vacuum packaging, deodorization of fats and oils, low-temperature concentration;
- Environmental protection engineering
Biogas purification, sewage treatment aeration system.
Customer Service
- Accurate demand matching
Free on-site demand analysis, customized flow, pressure and piping configuration scheme;
- Rapid delivery response
Standardized module design, delivery cycle shortened by 30%, emergency project support expedited processing;
- Flexible warranty policy
1 year warranty for the whole machine, 2 years extended warranty for non-standard customized parts, regular maintenance and fault fast response service.
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