Liquid Ring Vacuum Pumps
VI Series
Water Savers with Internal Water Restraining System
Single-stage liquid ring vacuum pumps with valves
In close coupled version with mechanical seal

Performance data

Max. Suction capacity between 2.2 m3; /h and 55 m3; /h

Min. Inlet pressure down to 33 mbar

Possible media dry and humidified gases

Sound pressure level 65 - 68 dB(A) at 80 mbar

Temperature of
Operational liquid
Up to 80 deg; C
Temperature of
Absorbed gas
Up to 120 deg; C

Design single-stage pumps in inverted design with valves and internal water restraining system

ATEX approval for the entire series:
Device group II, equipment category 2G,
Type of protection IIB, temperature class T4

Motor 0.12 - 2.2 kW / 0.16 - 3.0 HP
AC / three-phase motors

Materials non-ferrous metal / stainless steel

Connections G 1/4 to G 1

Shaft sealing mechanical seal

Advantages
Water saving: At suction pressures < 600 mbar, the water can be completely retained in the pump
Low noise due to optimized hydraulics and separation
Low calcification risk and easy temperature control possible
Easy disassembly due to inverted design and
O-ring sealing

Possible applications
Extruder degasification
Sterilization of surgical instruments, textiles and beds (steam and gas sterilization)
Evacuation in central vacuum systems