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Diaphragm Pumps for Air Gases and Vapors LABOPORT Diaphragm

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					                                                                                                                                          Data Sheet N840FT


Diaphragm Pumps for Air, Gases and Vapors
                                                INNOVATIVE
                                               TECHNOLOGY
                                                WORLDWIDE                                             NEUBERGER, INC.


                                                                                            LABOPORT®
                                                                                            Diaphragm
                                                                                            Vacuum Pumps
                                                                                            Technical features:
                                                                                                100% oil-free transfer
                                                                                                Pure transfer, evacuation and
                                                                                                compression
                                                                                                Highly compatible with vapors and condensation
                                                                                                Chemically-resistant
                                                                                                Therefore suitable for highly aggressive or
                                                                                                corrosive gases and vapors
                                                                                                Maintenance-free
                                                                                                Environmentally friendly
Series LABOPORT®                                                                                Gastight, leakage rate approx. 6 x 10-3 mbar x l/s,
N840FTP, N840.3FTP Pumps                                                                        not tested in serial production.



The chemically-resistant series N840 and N840.3 dia-                                        Technical data:            N840FTP     N840.3FTP
phragm pumps are single and double-head, oil-free                                           Delivery (l/min)1)         34            34
devices used in a wide range of laboratory applications. They                               Ultimate vacuum
transfer and pump down without contamination.                                               (Torr)                     75            6
                                                                                            Operating pressure
                                                                                            (psi)                       15           15
The heart of these very compact pumps is a KNF structured
                                                                                                                   .
                                                                                            Connectors for tube (in.)   ID 3/8"      ID 3/8"
diaphragm. This patented diaphragm was stress-optimized                                     Permissible gas and
using the Finite Elements method. As a result, we were able                                 ambient temperature        +5...+40 °C   +5...+40 °C
to make the pumps smaller while increasing the service life                                 Voltage / Frequencies      115V/60Hz     115V/60Hz
of the diaphragm.                                                                           Motor protection           IP 44         IP 44
                                                                                            Power P1                   220 W         280 W
                                                                                            Operating current          3.2 A         4.2 A
Material in contact with the pumped media                                                   Weight                     12.2 kg       12.2 kg
                                                                                            Dimensions L x H x W (mm) 297/226/171    341/226/166
Type/Order No. Pump head                  Diaphragm          Valves                         With thermal switch and power fuse
N840FTP                PTFE               PTFE-coated        FFPM                           Motors with other voltages and frequencies on request.
N840.3FTP              PTFE               PTFE-coated        FFPM                           1) at atm. pressure




Dimensions and performance characteristics
Pump down time for 10 l receiver                                 Performance characteristics

  N840FTP                                                             N840FTP
                                                                                                 Vacuum                                               atm. Press.
            1013                                                                            35
                                                                      Flow capacity l/min




                                                                                            30
            800
                                                                                            25
                                                                      (Litre at STP)




            600                                                                             20
                                                                                            15
     mbar




            400
                                                                                            10
            200
                                                                                             5
              0                                                                              0
                   0   0,25 0,5   0,75     1   1,25   1,5                                        0   100  200     300   400   500   600   700   800     900   1013
                         min                                                                           mbar


KNF reserves the right to make changes.
Diaphragm Pumps for Air, Gases and Vapors
                                                  INNOVATIVE
                                                 TECHNOLOGY
                                                  WORLDWIDE                                      NEUBERGER, INC.

Pump down time for 10 l receiver                               Performance characteristics

 N840.3FTP                                                      N840.3FTP
                                                                                            Vacuum                                                             atm. Press.
            1013                                                                       35




                                                                 Flow capacity l/min
                                                                                       30
            800
                                                                                       25




                                                                 (Litre at STP)
            600                                                                        20
                                                                                       15
     mbar




            400
                                                                                       10
            200
                                                                                        5
              0                                                                         0
                   0   0,5   1     1,5     2      2,5   3                                   0   100  200   300   400   500    600    700   800                               900                    1013
                         min                                                                      mbar


Dimensions (mm)

 N840FTP                                                                                                               approx. 171
                             approx. 297




                                                                                                                                           for tube ID 10


                                 289                                                                                         122                                               approx. 226



 N840.3FTP                        approx. 341                                                                          approx. 166
                                                                                                                                                            for tube ID 10


                                                                                                                                                                                      approx. 226




                                                                                                                             122
                                           334




               KNF Neuberger Inc. • 2 Black Forest Road •Trenton, NJ 08691-1810 • 609-890-8600 • Fax: 609-890-8323 • www.knf.com
KNF reserves the right to make changes.

				
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