Water circulating vacuum pumps utilize a single-stage double-suction axial open vortex shell centrifugal pump, installed horizontally with flexibility in drive machine placement (motor or internal combustion engine on either side). These pumps are designed for water or similar liquids, offering advantages like simple construction, compact size, isothermal gas compression, water-based sealing (eliminating lubrication needs), and reliable operation with minimal maintenance. They serve labs, research institutions, and industries (chemical, pharmaceutical, food, etc.), with operational limits including a maximum working pressure of 1.0–2.5MPa (depending on configuration) and ambient temperatures ≤40°C.
Key Points Explained:
1. Pump Type & Core Design
- Single-stage double-suction centrifugal pump:
- Function: Creates vacuum by circulating water, leveraging centrifugal force to compress gases isothermally (minimizing temperature fluctuations).
- Open vortex shell design: Enhances efficiency in handling gases and liquids simultaneously, ideal for vacuum applications.
- Double-suction feature: Balances axial forces, reducing wear and extending pump life.
2. Installation & Configuration
- Horizontal installation: Simplifies alignment with drive machines (motors/internal combustion engines) and saves space.
- Drive placement flexibility: Can be mounted on the left or right side, adapting to lab layouts or industrial setups.
- No reduction gear needed: High revolution speed allows direct coupling to motors, reducing mechanical complexity.
3. Operational Advantages for Buyers
- Low maintenance:
- Water-sealed operation: Eliminates oil/lubricant costs and contamination risks (critical for clean industries like pharmaceuticals or food).
- Simple structure: Fewer precision parts mean easier repairs and lower long-term costs.
- Energy efficiency: Isothermal compression reduces heat-related energy losses compared to dry vacuum pumps.
- Compact size: Fits easily in lab benches or small industrial spaces.
4. Material & Environmental Compatibility
- Compatible media: Water or liquids with similar viscosity/chemical properties (e.g., mild solvents).
- Pressure limits:
- Standard: 1.0MPa (for pumps with head ≤75m) or 1.6MPa (>75m).
- Special configurations: Up to 2.5MPa for high-demand applications.
- Temperature constraints: Ambient temperature ≤40°C to prevent overheating.
5. Ideal Use Cases
- Lab & research: Universities, biochemistry labs (e.g., rotary evaporation, filtration).
- Industries:
- Chemical/pharmaceutical: Safe for volatile compounds due to water sealing.
- Food/pesticide: No oil contamination ensures product purity.
- Small-scale production: Reliable for batch processes requiring consistent vacuum levels.
6. Installation Considerations
- Inlet pressure ≤0.03MPa: Simplifies sealing design (no specialized structures needed).
- Maintenance tips:
- Regularly check water quality to prevent scaling/clogging.
- Ensure drive alignment to avoid vibration issues.
Why This Matters for Purchasers
- Cost-effectiveness: Lower upfront and operational costs vs. oil-sealed pumps.
- Versatility: Adapts to diverse applications without retrofitting.
- Compliance: Meets cleanliness standards for sensitive industries.
For labs prioritizing reliability and ease of use, this pump type strikes a balance between performance and practicality. Have you evaluated how its maintenance savings could offset initial costs in your workflow?
Summary Table:
| Feature | Detail |
|---|---|
| Pump Type | Single-stage double-suction axial open vortex shell centrifugal pump |
| Installation | Horizontal, flexible drive placement (motor/engine on either side) |
| Key Advantages | Water-sealed, low maintenance, energy-efficient, compact |
| Max Pressure | 1.0–2.5MPa (depending on configuration) |
| Ideal Applications | Labs, chemical/pharmaceutical industries, food processing |
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Leveraging exceptional R&D and in-house manufacturing, KINTEK provides advanced vacuum solutions tailored to your needs. Our pumps ensure reliable, oil-free operation with minimal maintenance—perfect for sensitive environments like pharmaceuticals and food processing.
Contact us today to discuss customization options or request a quote!
