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VN Series
For Large Quantities of Additional Liquid

Single-stage liquid ring vacuum pumps with valves and port cylinder
in close coupled version with mechanical seal

page with SI units

Performance data

 
Max. suction capacity

between 56 CFM and 127 CFM´

Min. inlet pressure

down to 1.6 inch Hg a

Possible media

dry and humidified gases
delivery of liquid up to 44 USGPM

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
ATEX approval for the entire series: 
device group  II, device category  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 

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

 

50 Hz data
 Type Speed 
[rpm]
Suction
capacity
[CFM]

Min. inlet
 pressure
[inch Hg a]

 VN 95 1450 56 1.6
 VN 125 1450 74 1.6
 VN 180 1450 106 1.6

 

60 Hz data
 Type Speed 
[rpm]
Suction
capacity
[CFM]

Min. inlet
pressure
[inch Hg a]

 VN 95 1750 85 1.6
 VN 125 1750 89 1.6
 VN 180 1750 127 1.6

 

VN series
Contact

 If you have any questions, please mail us!

Downloads

Excerpt from the brochure
VN series
PDF - de/en/fr

Main brochure
Liquid ring vacuum pumps
close coupled version

PDF (5.3 MB) de/en/fr

 

Movie

VN series:
delivery of liquid

36 seconds, WMV (3,2 MB)