CHEMICALLY RESISTANT DIAPHRAGM GAS SAMPLING PUMPS DATA SHEET N 9 N 9 FTE Concept The diaphragm pumps from KNF are based on a simple principle an elastic diaphragm, ixed on its edge, moves up and down its central point by means of an eccentric. In this way the medium is transferred using automatic valves. The gas-bearing parts of the chemically resistant gas pumps are made of modiied PTFE, so they are able to withstand even highly aggressive gases and vapors. The N 9 FT.9 E provides an integrated bypass valve to better adjust the low rate to the current process conditions. N 9 FT.9 E low rate can be adjusted using an integrated bypass valve Features Pure transfer No contaation of the media due to oil-free operation Maintenance-free Chemically resistant for transferring highly aggressive and corrosive gases and vapors High level of gas tightness approx. 6 x 1-3 mbar. l/s Long product life Very quiet and little vibration Cool running motor even when in constant use Version with adjustable low rate Can operate in any installed position Areas of use These pumps are required especially in the ields of analytical technology, chemistry industry and production technology as well as research. The pumps transfer, compress or draw highly aggressive gases and vapors, take samples as sample gas pumps (or liquid samples using vacuum), evacuate vessels or transfer aggressive gases as process gas pumps in chemical facilities. PERFORMANCE DATA Type Delivery (l/) Vacuum (mbar absolute) atm. pressure Pressure (bar g) N 9 FTE 16L, 5 Hz 16. 7.3 N 9 FTE L, 5 Hz 7.5 35 1.5 7.3 N 9 FTE 16L, 6 Hz 1. 7.3 N 9 FTE L, 6 Hz 9 35 1.5 7.3 Weight (kg)
N 9 FTE PERFORMANCE DATA Type Delivery at atm. pressure (l/) 1) Max. operating pressure (bar g) N 9 FTE 16L, 5 Hz 16 ± 1 %. N 9 FTE L, 5 Hz 7.5 ± 1 % 1.5 35 N 9 FTE 16L, 6 Hz 1 ± 1 %. N 9 FTE L, 6 Hz 9 ± 1 % 1.5 35 1) Liter at STP Ultimate vacuum () MOTOR DATA Protection class IP 55 IP 55 IP 55 IP 55 IP 55 Voltage (V) 115 3 3~ 3/ 1 Frequencies (Hz) 5/6 5/6 5/6 5/6 5/6 Power P1 (W) 195 15 15 lmax (A), 5/6 Hz.7 1.35.3/..6 1. PUMP MATERIAL Type Pump head Diaphragm Valves/Sealing N 9 FTE modiied PTFE PTFE-coated FFPM N 9 FTE * EU-Version: G1/ (x) US-Version: 1/-1 NPT (x) ** EU-Version:,.5 tief/deep (x) US-Version: nicht vorhanden/non-existent N 9 FTE 16L FLOW CAPACITY N 9 FTE L FLOW CAPACITY Flow capacity l/ ± 1% 16 1 Flow capacity l/ ± 1% 1 6 1 1,5 1 1, 16 1,5 6 1, Flow capacity detered at C, 113mbar abs (Pressure to 113mbar abs in accordance with ISO 136-1/) 1,5 1,5 1, 1 1,1,5 6 16, 1,5 Flow capacity detered at C, 113mbar abs (Pressure to 113mbar abs in accordance with ISO 136-1/)
N 9 FT.9 E PERFORMANCE DATA Type Delivery at atm. pressure (l/) 1) Max. operating pressure (bar g) N 9 FT.9 E 16L, 5 Hz 1 16 ± 1 %. N 9 FT.9 E L, 5 Hz 3 7.5 ± 1 % 1.5 35 N 9 FT.9 E 16L, 6 Hz 1 1 ± 1 %. N 9 FT.9 E L, 6 Hz 9 ± 1 % 1.5 35 1) Liter at STP Ultimate vacuum () MOTOR DATA Protection class IP 55 IP 55 IP 55 IP 55 IP 55 Voltage (V) 115 3 3~ 3/ 1 Frequencies (Hz) 5/6 5/6 5/6 5/6 5/6 Power P1 (W) 195 15 15 lmax (A), 5/6 Hz.7 1.35.3/..6 1. PUMP MATERIAL Type Pump head Diaphragm Valves/Sealing N 9 FT.9 E modiied PTFE PTFE-coated FFPM N 9 FT.9 E * EU-Version: G1/ (x) US-Version: 1/-1 NPT (x) ** EU-Version:,.5 tief/deep (x) US-Version: nicht vorhanden/non-existent N 9 FT.9 E 16L, 5 HZ FLOW CAPACITY Flow capacity l/ ± 1% 16 1 N 9 FT.9 E L, 5 HZ FLOW CAPACITY Flow capacity l/ ± 1% 1 6 1 1,5 1 1, 16 1,5 6 1, Flow capacity detered at C, 113mbar abs (Pressure to 113mbar abs in accordance with ISO 136-1/) 1,5 1,5 1, 1 1, 1,5 6 16, 1,5 Flow capacity detered at C, 113mbar abs (Pressure to 113mbar abs in accordance with ISO 136-1/) N 9 FT.9 E 16L, 6 HZ FLOW CAPACITY Flow capacity l/ ± 1% 16 1 N 9 FT.9 E L, 6 HZ FLOW CAPACITY Flow capacity l/ ± 1% 1 6 1 1,5 1 1, 16 1,5 6 1, Flow capacity detered at C, 113mbar abs (Pressure to 113mbar abs in accordance with ISO 136-1/) 1,5 1,5 1, 1 1, 1,5 6 16, 1,5 Flow capacity detered at C, 113mbar abs (Pressure to 113mbar abs in accordance with ISO 136-1/)
TECHNICAL INFORMATION N 9 FTE N 9 FT.9 E 16L PUMP UP TIME FOR LITER VESSEL 1,5 1,5 bar 1 3 5 N 9 FTE N 9 FT.9 E 16L PUMP DOWN TIME FOR LITER VESSEL 113 1 6 mbar 1 3 N 9 FTE N 9 FT.9 E L PUMP UP TIME FOR LITER VESSEL 1,5 1,5 bar 1 3 5 6 7 N 9 FTE N 9 FT.9 E L PUMP DOWN TIME FOR LITER VESSEL 113 1 6 ACCESSORIES mbar 1 3 5 6 7 Description Order No. Tube itting for tube ID6, PVDF 3363 Mounting kit shock mounts 3131 Mounting kit shock mounts and mounting bracket 31311
HINTS ON FUNCTION AND INSTALLATION Function of KNF diaphragm vacuum pumps and compressors An elastic diaphragm is moved up and down by an eccentric (see illustration). On the down-stroke it draws the air or gas being handled through the inlet valve. On the up-stroke the diaphragm forces the medium through the exhaust valve and out of the head. The compression chamber is hermetically separated from the drive mechanism by the diaphragm. The pumps transfer, evacuateand compress completely oil-free. Hints on installation and operation Range of use: Transferring air and gases at temperatures between C and +6 C. Permissible ambient temperature: between +5 C and +6 C. C if frost-free (non-condensing). Please check the compatibility of the materials of the pump head, diaphragm and valves with the medium. The standard pumps are not suitable for use in areas where there is a risk of explosion. In these cases there are other products in the KNF program please ask us for details. The pumps are not designed to start against pressure or vacuum; when a pump is switched on the pressure in the suction and pressure lines must be atmospheric. Pumps that start against pressure or vacuum are available on request. To prevent the maximum operating pressure being exceeded, restriction or regulation of the air low should only be carried out in the suction line. Components connected to the pump must be designed to withstand the pneumatic performance of the pump. Install the pump so that suficient supply of cooling air is ensured. KNF reserves the right to make technical changes. KNF Neuberger GmbH Alter Weg 3 D 7911 Freiburg Tel. +9 766 599 Fax +9 766 599 99 info@knf.de www.knf.de KNF 5/1 (Produced in Germany)
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