VWR VP 820 diaphragm vacuum pump
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VWR VP 820 diaphragm vacuum pump PM20404.820.3
Dual-head, dry running diaphragm pump for a wide range of laboratory applications.
It pumps, compresses and evacuates without affecting media, i.e. media remains uncontaminated.
The pump includes a diaphragm with patented tension optimisation, which allows the pump to be smaller prolonging the service life of the diaphragm.
100% oil-free pumping, so media cannot be contaminated when pumping and evacuating
For medium aggressive gases and vapours
Maintenance-free, quiet running
Flow rate: 20 l/min
Working overpressure: 1 bar
Final pressure (abs.): 8 mbar
VWR Catalog Number 181-0071
Used, in good condition