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Single Stage Liquid Ring Vacuum Pump (SK)
Water Ring Single Stage Vacuum Pump (commonly referred to as a water ring pump) is a type of rough vacuum pump that can achieve an ultimate pressure of 4–8 kPa for single-stage models and 2–4 kPa for two-stage models. These pumps are widely used across various industries, including petroleum, chemical, machinery, mining, light industry, papermaking, power, metallurgy, medicine, food processing, and more. They are commonly applied in processes such as vacuum filtration, feeding, degassing, evaporation, concentration, and recovery.
Due to the isothermal compression process of the gas within the pump, it is capable of handling flammable, explosive gases, as well as gases containing dust and moisture. This makes the water ring pump increasingly popular in industrial applications where safety and efficiency are critical.
**Applications**
These pumps are ideal for pumping air and other non-corrosive gases with minimal dust content and not soluble in water. They are extensively used in vacuum evaporation, concentration, feeding, dehydration, and drying processes across the food, textile, medical, and chemical industries. The design of these pumps ensures compactness, reliability, ease of installation and maintenance, and long-term durability.
**Specifications**
| Model | Pumping Speed (m³/min) | Ultimate Pressure (Pa) | Motor Power (kW) | Rotational Speed (rpm) | Water Flow (L/min) | Inlet Diameter (mm) | Weight (kg) |
|---------|------------------------|------------------------|------------------|------------------------|--------------------|---------------------|-------------|
| SK-1.5 | 1.5 | 6.7×10³ | 4 | 1440 | 10–15 | Φ 65 | 180 |
| SK-3 | 3 | 6.7×10³ | 7.5 | 1440 | 15–20 | Φ 65 | 275 |
| SK-6 | 6 | 6.7×10³ | 15 | 1460 | 25–35 | Φ 100 | 450 |
| SK-12 | 12 | 6.7×10³ | 22 | 970 | 40–50 | Φ 125 | 900 |
| SK-20 | 20 | 6.7×10³ | 37 | 740 | 60–80 | Φ 150 | 1940 |
| SK-30 | 30 | 6.7×10³ | 55 | 740 | 70–90 | Φ 150 | 2340 |
The water ring pump offers a reliable and efficient solution for vacuum applications, especially in environments where traditional pumps may not perform optimally. Its robust construction and ability to handle harsh conditions make it a preferred choice in many industrial settings. Whether you need a small-scale or large-capacity system, there is a suitable model available to meet your specific requirements.