Robust
- Heavy-duty two-stage construction
- No metallic contact between rotating parts
- Designed for continuous industrial operation
ZVK SERIES · TWO-STAGE LIQUID RING
ZVK 230 Series Two-Stage Liquid Ring Vacuum Pump
Two-stage heavy-duty construction for deeper liquid ring vacuum, continuous operation and reliable handling of humid or vapour-laden gases.
Select a model
- Selected model
- ZVK 230/120
- Nominal capacity
- 280 m³/h (50 Hz)
- Ultimate absolute pressure
- 33 mbar
- Motor power
- 11 kW (50 Hz)
- Dimensions
- 675 × 400 × 520 mm
- Approximate weight
- 138 kg
TECHNICAL DATA · 50 Hz
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| Technical specification | |||
|---|---|---|---|
| Nominal pumping speed | 280 m³/h | 350 m³/h | 400 m³/h |
| Ultimate absolute pressure | 33 mbar | 33 mbar | 33 mbar |
| Vacuum pressure | -735 mmHg | -735 mmHg | -735 mmHg |
| Motor power | 11 kW | 11 kW | 15 kW |
| Motor speed | 1450 rpm | 1450 rpm | 1450 rpm |
| Inlet / outlet | DN 50 | DN 50 | DN 50 |
| Service-water connection | G3/4″ | G3/4″ | G3/4″ |
| Cavitation valve | G1/2″ | G1/2″ | G1/2″ |
| Sound pressure level | 66 ±3 dB(A) | 66 ±3 dB(A) | 66 ±3 dB(A) |
| Dimensions (L × W × H) | 675 × 400 × 520 mm | 735 × 400 × 520 mm | 780 × 400 × 520 mm |
| Approximate weight | 138 kg | 152 kg | 170 kg |
Efficient
- 33 mbar ultimate pressure
- 280–400 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