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Lubricated vacuum pumps are used when the intake flow may contain
moisture, or when a better final pressure is required. These pumps
may run continuously within certain pressure ranges, or connected to
containers to be emptied, whose volume is sized appropriately for
the pump flow rate. Long-term use at atmospheric pressure is not
recommended.
When the amount of vapour intake is considerable, we
recommend using the WR versions. The main areas of use include:
vacuum packaging, thermoforming machines, glass- or marble-working
machines, medical equipment, food-grade pastas or clay extruders.
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