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Laboratory Pumps: Pumps for air and neutral to mildly corrosive vapors
Pumps for your rotary evaporator and distillerPumps for filtration and degassing apparatusPumps for gel dryers and vacuum ovensComplete KNF Vacuum SystemsStainless Steel pumps for pressure, and legacy pumpsLiquid pumps for the laboratoryLABOPORT Pumps
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Vacuum Pumps and Compressors for Use with Air or Neutral to Mildly Corrosive Vapors

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.

KNF Deep Vacuum Pump Model N920
Model N920AP.29.18 three-stage pump features adjustable flow.

KNF 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.

KNF N726FTP and N035.3STP Vacuum Pumps

Models UN035STP and UN035.3STP are designed for handling corrosive vapors.
LABOPORT® Vacuum Pumps

KNF Model No.
(click on link for datasheet)

Wetted Material Flow Rate Vacuum Pressure
UN842.3FTP Pump PTFE/FFPM 34 LPM 1.5 Torr 15 psig
UN840.3FTP Pump PTFE/FFPM 34 LPM 6 Torr 15 psig
N820.3ANP Pump Aluminum/Neoprene 20 LPM 6 Torr 15 psig
N820.3FTP Pump PTFE/FFPM 20 LPM 6 Torr 15 psig
N810.3FTP Pump PTFE/FFPM 10 LPM 6 Torr 15 psig
UN840.1.2FTP Pump PTFE/FFPM 65 LPM 75 Torr 15 psig
UN840FTP Pump PTFE/FFPM 34 LPM 75 Torr 15 psig
N820ANP Pump Aluminum/Neoprene 20 LPM 75 Torr 15 psig
N820FTP Pump PTFE/FFPM 20 LPM 75 Torr 15 psig
N810FTP Pump PTFE/FFPM 10 LPM 75 Torr 15 psig
NEW! Model N920 Deep Vacuum Pump with Diaphragm Stabilization

Model Number (heads)
(click on link for datasheet)
Wetted Material
 Flow Rate
LPM		 Vacuum
"Hg (Torr)		 Pressure
psig
High Performance, Deep Vacuum Pumps for Air or Mildly Corrosive Gases
N920KT.29.18 (three stage) PPS/PTFE/FFPM 20 2.O mbar 7.5
N920AT.29.18 (three stage) Aluminum/EPDM 21 1.5 mbar 7.5
Stainless Steel Construction Vacuum Pumps and Compressors
UN022STP (single head) Stainless/PTFE 16 26.9 (100) 58
UN035STP (single head) Stainless/PTFE 30 27 (75) 60
UN035.3STP (two stage) Stainless/PTFE 30 29.5 (10) N/A
UN035TTP (single head) PVDF/PTFE/Stainless 30 27 (75) 60
UN035.3TTP (two stage) PVDF/PTFE/Stainless 30 29.5 (10) N/A
UN035.1.2STP (parallel) Stainless/PTFE 56 27 (75) 60
UN035.1.2TTP (parallel) PVDF/PTFE/Stainless 56 27 (75) 60
General Laboratory Pumps and Compressors for Air and Neutral Gases
UN022ANP (single head) Aluminum/Neoprene 19 26.9 (100) 58
UN820ATP (single head) Aluminum/PTFE 20 27 (75) 15
UN820ANP (single head) Aluminum/Neoprene 22 27 (75) 15
UN035ANP (single head) Aluminum/Neoprene 33 27 (75) 60
UN035.3ANP (two stage) Aluminum/Neoprene 33 29.5 (10) N/A
UN035.1.2ANP (parallel) Aluminum/Neoprene 62 27 (75) 60

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NOTES: Standard continuous performance ratings listed on this KNF website and on KNF datasheets are based on technical data and test results of nominal units at sea level, measured with an ambient temperature of 70°F (21°C), and nominal electrical supply as listed above, and are for reference only.Multiple-head models, different performance models, cost-effective OEM modifications, and a variety of motor options and different materials of construction are also available. Certified drawings are available upon request. Specifications subject to change without notice. You should always check corrosion resistance charts for compatibility with the medium you intend to pump.
KNF NEUBERGER, INC.
Two Black Forest Road
Trenton, New Jersey 08691-1810
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