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Technical Data 

 

 

8        

  

PM26285-811.18 

Pneumatic performance 

Max. permissible operating 
pressure [bar g] 

0.5 

Ultimate vacuum [mbar abs.] 

100 

Delivery rate at atm. pressure 
[l/min]* 

11.5 

Pneumatic connections 

Hose connection [mm] 

ID 6 

Ambient and media temperature 

Permissible 
ambient temperature 

+ 5 °C to + 40 °C 

Permissible 
media temperature 

+ 5 °C to + 40 °C 

Other parameters 

Weight [kg] 

2.5 

Dimensions: L x H x W [mm] 

187 x 157 x 90 

Maximum permissible ambient 
relative humidity 

80 % for temperatures up to 
31 °C, decreasing linearly to 
50 % at 40 °C 

Max. altitude of site 
[m above sea level]

 

2000 

Electrical Data 

Voltage [V] 

100 

115 

230 

Frequency [Hz] 

50/60 

60 

50 

Max. operating current [A] 

1.5 

1.3 

0.8 

Power consumption pump [W]  70 

75 

65 

Maximum permitted mains 
voltage fluctuations 

+/- 10 % 

+/- 10 % 

+/- 10 %

Fuse pump** 
(2x) T [A] 

3.15 3.15 1.0 

Protection class motor 

IP20 

 

Tab. 3                                                 *Liters in standard state (1,013 mbar) 
                                                             **For spare part-No. see chapter 10

Summary of Contents for Laboport PM26285-811.18

Page 1: ...3 2 Use 4 3 Safety 5 4 Technical Data 7 5 Design and Function 9 6 Installation and connection 10 7 Operation 11 8 Servicing 13 9 Troubleshooting 17 10 Spare parts and accessories 19 11 Decontamination Declaration 20 KNF Neuberger UK Ltd Ave 2 Station Lane Ind Est Witney Oxfordshire OX28 4FA UK Tel 44 0 1993 778373 Fax 44 0 1993 775148 E mail info knf co uk www knf co uk ...

Page 2: ......

Page 3: ...ailure to observe the warning are specified here The signal word e g Warning indicates the danger level Î Measures for avoiding the danger and its conse quences are specified here Danger levels Signal word Meaning Consequences if not observed DANGER warns of imme diate danger Death or serious injuries and or serious damage are the consequence WARNING warns of possible danger Death or serious injur...

Page 4: ...of the materials of the pump head diaphragm and valves with the medium Only transfer gases which remain stable under the pressures and temperatures occurring in the pump Laboratory equipment or additional components connected to a pump have to be suitable for use with the pneumatic capabilities of the pump 2 2 Improper use The pumps may not be operated in an explosive atmosphere The pumps are not ...

Page 5: ...om power source When transferring dangerous media observe the safety regula tions when handling these media Be aware that the pumps are not designed to be explosion proof Make sure the temperature of the medium is always sufficiently below the ignition temperature of the medium to avoid ignition or explosion This also applies for unusual operational situations Note that the temperature of the medi...

Page 6: ...ve been used DIN EN 61010 1 DIN EN 61000 3 2 3 DIN EN 55014 1 2 The pumps correspond to IEC 664 the overvoltage category II the pollution degree 2 Only have repairs to the pump carried out by the KNF Customer Service responsible Only authorized personnel should open those parts of the housing that contain live electrical parts Use only genuine parts from KNF for servicing work Standards Customer s...

Page 7: ...ng with thermal switches and are equipped with a mains fuse Pump materials PM26285 811 18 Component Pump material Pump head PPS Diaphragm EPDM Valve plates sealings FPM Tab 2 according to DIN ISO 1629 and 1043 1 Refer to the type plate for the pump s electrical configuration ...

Page 8: ...parameters Weight kg 2 5 Dimensions L x H x W mm 187 x 157 x 90 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Max altitude of site m above sea level 2000 Electrical Data Voltage V 100 115 230 Frequency Hz 50 60 60 50 Max operating current A 1 5 1 3 0 8 Power consumption pump W 70 75 65 Maximum permitted mains voltage fluctuations 10 ...

Page 9: ...via the out separated ign and F M26285 811 Diaphragm P mp head m pumps trans evacuate gas c diaphragm e connecting be transferre e diaphragm p tlet valve 1 from the pum Function 18 Pump sfer compres ses and vapor 4 is moved rod 6 In the ed via the inle presses the m The transfer mp drive 7 b ss depending rs up and down e downward s t valve 2 In medium out of chamber 3 y the diaphra Technical g on ...

Page 10: ...or the pneumatic data of the pump see chapter 4 Î If the pump is used as a vacuum pump safely discharge the pump exhaust at the pump s pneumatic outlet A marking on the pump head shows the direction of flow 1 Remove the protective plugs from the pneumatic connectors of the pump 2 Mount accessory parts filter or silencer if present If the pump is used as a vacuum pump mount a silencer at the pressu...

Page 11: ...ot exceed max permissible operating pressure see chapter 4 Î Monitor pressure during operation Î If the pressure exceeds the maximum permissi ble operating pressure immediately shut down pump and eliminate fault see chapter 9 Troub leshooting Î Only throttle or regulate the air or gas quantity in the suction line to prevent the maximum per missible operating pressure from being ex ceeded Î If the ...

Page 12: ...nst pressure or vacuum during switch on This also applies in operation following a brief power failure If a pump starts against pressure or vacuum it may block This activates the thermal switch and the pump switches off Î Make sure that no vacuum or pressure is present in the lines during switch on Î Switch on pump with mains switch see fig 2 and 3 depending on pump type Switching off the pump rem...

Page 13: ...eaning make sure that no liquids enter the inside of the housing 8 2 1 Flushing Pump Î Before switching off the pump flush it with air if neccesary for safety reasons with an inert gas for about five minutes under atmospheric conditions ambient pressure 8 2 2 Cleaning Pump Î As far as possible clean the parts with a dry cloth Î Only use solvents for cleaning if the head materials cannot be attacke...

Page 14: ...due to dangerous substances in the pump Depending on the substance transferred caustic burns or poisoning are possible Î Wear protective clothing if necessary e g protective gloves Î Flush pump before replacing the diaphragm and valve plates sealings see chapter 8 2 1 Removing pump head 1 Mark the position of head plate Fig 7 3 intermediate plate 2 cover 5 and cover plate 6 by a drawing line with ...

Page 15: ...e valve plates sealings 1 Remove the valve plates sealings 7 from the intermediate plate 2 2 Check that the valve seats intermediate plate 2 and head plate fig 7 3 are clean If scratches or distortion are evident on these parts they should be replaced 3 Lay the new valve plates sealings 7 in the recesses in the intermediate plate 2 The valve plates sealings for suction and pressure sides are ident...

Page 16: ... steps 1 Reconnect suction and pressure line to the pump 2 Reconnect the pump to the electricity supply If you have any question about servicing call your KNF technical adviser see last page for contact telephone number ...

Page 17: ...b 7 Flow rate pressure or vacuum too low The pump does not achieve the output specified in the Technical data or the data sheet Cause Fault remedy Condensate has collected in pump head Î Detach the condensate source from the pump Î Flush pump see chapter 8 2 1 There is gauge pressure on pres sure side and at the same time vacuum or a pressure above atmospheric pressure on suction side Î Change the...

Page 18: ...nd switch on if necessary Fuse in the pump is defective Î Remove pump s mains plug from the socket Î Loosen marked lid on underside of the pump Î Select and replace suitable fuse see chapter 4 Tab 9 Pump is switched on but does not run the on off switch on the pump is lit Cause Fault remedy The thermal switch has opened due to overheating Î Remove pump s mains plug from the socket Î Allow pump to ...

Page 19: ...e PM26285 811 18 1 diaphragm 2 valve plates sealings Tab 11 Fuses Each pump contains two fuses Tab 12 10 2 Accessories PM26285 811 18 Tab 13 Service Set for pump type Order No PM26285 811 18 044066 Pump range Order No fuse 1 piece PM26285 811 18 230 V 025250 PM26285 811 18 115 V 020085 PM26285 811 18 100 V 020085 Description Order No Silencer Filter 000345 000346 ...

Page 20: ...ther with the flushed and cleaned pump to KNF Customer Service Customer decontamination declaration for repair order We herewith confirm that the following media have been pumped with the pump listed below and that the pump has been flushed and cleaned Pump model Serial No Fed media The pump contains neither aggressive biological radioactive poisonous nor other dangerous media Company Date Signatu...

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