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VN Series
For Large Quantities of Additional LiquidSingle-stage liquid ring vacuum pumps with valves and port cylinder
in close coupled version with mechanical seal→ page with U.S. Units Performance data | | | Max. suction capacity | between 95 m³/h and 216 m³/h | | Min. inlet pressure | down to 55 mbar | | Possible media | dry and humidified gases,
delivery of liquid up to 10 m³/h | | Sound pressure level | 65 db(A) | Temperature of
operational liquid | up to 80 °C | Temperature of
absorbed gas | up to 120 °C |
| Design | single-stage pumps with valves and port cylinder
close coupled version with B35 close-to-standard motors
bracket version with B5 standard motors
ATEX approval for the entire series:
device group II, device category 2/2G,
type of protection IIB, temperature class T4 | | Motor | 3.0 - 8.2 kW / 4.0 - 11.0 HP
three-phase motors | | Materials | non-ferrous metal / stainless steel | | Connections | G 1 1/2 | | Shaft sealing | mechanical seal | | Dimensions | refer to brochure | | Weight | refer to brochure |
| Advantages | - up to 5-fold delivery of liquid compared to conventional liquid ring vacuum pumps
- stable suction capacity even when liquid is delivered
- easy and simple installation
- minimum operating costs due to demand-oriented power consumption
- patented hydraulic and assembly system
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| Possible applications | - vacuum calibration for the production of plastic profiles
- production of polystyrene parts
- distillation / separation of liquids
- recovery of condensates (solvents)
- evacuation in central vacuum systems
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| 50 Hz data | | Type | Speed
[rpm] | Suction
capacity
[m³/h] | Min. inlet
pressure
[mbar] | | VN 95 | 1450 | 95 | 55 | | VN 125 | 1450 | 125 | 55 | | VN 180 | 1450 | 180 | 55 |
| 60 Hz data | | | | | Type | Speed
[rpm] | Suction
capacity
[m³/h] | Min. inlet
pressure
[mbar] | | VN 95 | 1750 | 115 | 55 | | VN 125 | 1750 | 144 | 55 | | VN 180 | 1750 | 215 | 55 |
| Contact |  If you have any questions, please mail us!
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Liquid Ring Vacuum Pumps 
