Robust
- Heavy-duty two-stage construction
- No metallic contact between rotating parts
- Designed for continuous industrial operation
ZVK SERIES · TWO-STAGE LIQUID RING
ZVK 250 Series Two-Stage Liquid Ring Vacuum Pump
Efficient two-stage liquid ring vacuum generation with robust construction and broad process-fluid and material options.
Select a model
- Selected model
- ZVK 250/160
- Nominal capacity
- 480 m³/h (50 Hz)
- Ultimate absolute pressure
- 40 mbar
- Motor power
- 15 kW (50 Hz)
- Dimensions
- 799 × 430 × 602 mm
- Approximate weight
- 205 kg
TECHNICAL DATA · 50 Hz
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| Technical specification | |||
|---|---|---|---|
| Nominal pumping speed | 480 m³/h | 525 m³/h | 590 m³/h |
| Ultimate absolute pressure | 40 mbar | 40 mbar | 40 mbar |
| Vacuum pressure | -730 mmHg | -730 mmHg | -730 mmHg |
| Motor power | 15 kW | 18.5 kW | 22 kW |
| Motor speed | 1450 rpm | 1450 rpm | 1450 rpm |
| Inlet / outlet | DN 65 | DN 65 | DN 65 |
| Service-water connection | G1″ | G1″ | G1″ |
| Cavitation valve | G1/2″ | G1/2″ | G1/2″ |
| Sound pressure level | 76 ±3 dB(A) | 76 ±3 dB(A) | 76 ±3 dB(A) |
| Dimensions (L × W × H) | 799 × 430 × 602 mm | 839 × 430 × 602 mm | 879 × 430 × 602 mm |
| Approximate weight | 205 kg | 223 kg | 238 kg |
Efficient
- 40 mbar ultimate pressure
- 480–590 m³/h nominal capacity
- Near-isothermal compression
Versatile
- Suitable for humid and vapour-laden gases
- Tolerates small amounts of entrained liquid
- Material and service-liquid options
SYSTEMS & ACCESSORIES
Complete the solution for your process
- Closed-loop and semi-open-loop systems
- Liquid separator
- Cavitation protection
- Heat exchanger
- Gas ejector
- Wide selection of motors
- Non-return valves
- Vacuum relief valves
- Alternative service liquids