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VZ Series
Robust and Low-noise Technology
for Deep Vacuum Ranges
Two-stage liquid ring vacuum pumps in closed coupled and base plate version with mechanical seal and magnetic coupling
→ page with US units
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Performance data |
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| Max. suction capacity |
between 30 m³/h and 223 m³/h |
| Min. inlet pressure |
down to 33 mbar |
| Possible media |
dry and humidified gases |
| Sound pressure level |
60 - 66 db(A) |
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Temperature of
operational liquid |
up to 80 °C |
|
Temperature of
absorbed gas |
up to 120 °C |
| Design |
two-stage pumps
closed coupled version with B35 close-to-standard motors
base plate version with B3 standard motors
bracket version with B5 standard motors
ATEX approval for the entire series:
device group II, equipment category 1G/2G + H2,
type of protection IIB, temperature class T4 |
| Motor |
1.1 - 8.2 kW / 1.5 - 11.0 HP
three-phase motors |
| Materials |
cast iron / non-ferrous metal / stainless steel |
| Connections |
G 1 to DN 40 |
| Shaft sealing |
mechanical seal /
by separating can - magnetic coupled
(upon request) |
| Dimensions |
refer to brochure |
| Weight |
refer to brochure |
| Advantages |
- with a maximum sound pressure level of 60 to
66 db(A) much more quiet than a conventional liquid ring vacuum pump
- VZ 110 / 140 / 180 are alternatives to VH series due to identical connection dimensions
- low investment costs
- developed / designed for continuous operation
- requirement-related design due to variation of individual components such as motor, coupling, base plate, etc.
- requirement-related design due to the use of diverse materials
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| Possible applications |
- sterilization of surgical instruments, textiles and beds (steam and gas sterilization)
- extruder degasification
- degasification of toothpaste, cremes, lotions, marzipan, etc.
- vacuum cooking of fruit, vegetables, pulp and mush
- thickening and crystallization of sugar under vacuum
- distillation / separation of liquids...
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| 50 Hz data |
| Type |
Speed
[rpm] |
Suction
capacity
[CFM] |
Min. inlet
pressure
[inch Hg a] |
| VZ 30 |
2850 |
18 |
1.0 |
| VZ 50 |
2850 |
29 |
1.0 |
| VZ 110 |
1450 |
63 |
1.0 |
| VZ 140 |
1450 |
85 |
1.0 |
| VZ 180 |
1450 |
109 |
1.0 |
| 60 Hz data |
| Type |
Speed
[rpm] |
Suction
capacity
[CFM] |
Min. inlet
pressure
[inch Hg a] |
| VZ 30 |
3450 |
20 |
1.0 |
| VZ 50 |
3450 |
34 |
1.0 |
| VZ 110 |
1750 |
75 |
1.0 |
| VZ 140 |
1750 |
102 |
1.0 |
| VZ 180 |
1750 |
131 |
1.0 |
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Contact |
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 If you have any questions, please mail us!
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Liquid Ring Vacuum Pumps 
