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Diaphragm vacuum pumps for high suction power.
These dry, oil-free vacuum pumps
employ the latest KNF Neuberger diaphragm stabilization technology. They are
an excellent companion for laboratory appliances requiring
a deeper vacuum source for pumping slightly aggressive or corrosive gases and vapors.
Shown at right is KNF's N920 series pump.
It features excellent pumping speed at low vacuum levels using KNF's diaphragm stabilization
system. In addition, interconnections are an integral part of the unique three-stage head to
improve leak-tightness.
Available with a universal (90-264VAC, 50-60Hz) AC motor or a brushless-DC motor, both are
supplied with integrated logic speed controls. It is gas tight to 6x10-3 mbar x l/s specifications.
Ultimate vacuum is <1.5 mbar. It is also available as an OEM model.
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Model N920AP.29.18 three-stage pump features adjustable flow.
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Compatible with ALL
brands of rotary evaporators
Consider a KNF LABOPORT® PTFE pump for quiet, reliable
operation without the messy handling of pump oil or the expense
of water aspirators. They are the perfect replacement for rotary
vane pumps in applications where a variety of corrosive vapors
may be encountered.
For LABOPORT® PTFE Datasheets, click HERE
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LABOPORT® pumps are the perfect
companion for any brand of rotary evaporator.
Model UN842.3FTP shown above.
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Vacuum pumps and compressors for the lab
These dry, oil-free vacuum pumps are
an excellent companion for most laboratory appliances requiring
a moderate vacuum source or for applying pressure.
The model UN035 single head and parallel head pumps are excellent
for higher pressure applications such as gas transfer or circulation.
They are available in aluminum, 316 stainless steel, and PVDF/PTFE versions, and are resistant
to most gases found in the laboratory. Consult corrosion resistance charts for compatibility.
Single and parallel head units feature high flow and high output
pressure and are well suited for the transfer of gases. Use the
two or three-stage pumps for deeper end vacuum performance.
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Models UN726FTP and UN035.3STP (shown above) are designed
for handling corrosive vapors.
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