KNF NPK 09, Operating And Installation Instructions

Page 1: ...g and Installation Instruc tions NPK 09 1 NPK 09 2 NPK 09 1 2 List of Contents Page 1 About this document 2 2 Use 3 3 Safety 4 4 Technical Data 6 5 Design and function 8 6 Installation and connection...

Page 2: ...ible consequences of a failure to observe the warning are specified here The signal word e g Warning indicates the danger level Measures for avoiding the danger and its conse quences are specified her...

Page 3: ...k whether the medium can be trans ferred danger free in the specific application case Before using a medium check the compatibility of the materials of the pump head pump housing diaphragms and valves...

Page 4: ...f 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 t...

Page 5: ...g off the partly completed machinery respectively have to be considered when mounting as well as over current and overload protective gear In addition a protection against mechanical parts in motion a...

Page 6: ...operating pressure bar g Ultimate vacuum mbar abs NPK 09 12 7 100 NPK 09 DC 15 NPK 09 1 24 NPK 09 2 7 NPK 09 1 2 100 Tab 4 Liters in standard state 1 013 mbar Pneumatic connections Pump type Suction s...

Page 7: ...91 x 115 x130 NPK 09 2 NPK 09 1 2 Tab 7 Weight Pump type Weight kg NPK 09 approx 1 8 NPK 09 DC approx 1 6 NPK 09 1 approx 2 2 NPK 09 2 NPK 09 1 2 approx 2 4 Tab 8 Other parameters Parameter Values Per...

Page 8: ...nglish KNF 121576 121579 11 20 5 Design and function Design NPK 09 DC 1 Outlet 2 Pump head 3 Inlet 4 Motor Fig 1 Swing Piston Pump NPK 09 DC Design NPK 09 AC 1 Outlet 2 Pump head 3 Inlet 4 Pneumatic h...

Page 9: ...sing Fig 4 How Swing Piston Pumps work Swing Piston Pumps transfer compress and evacuate air The swing piston consisting of retainer plate 4 and piston seal 5 is moved up and down by the eccentric 6 a...

Page 10: ...ghest point in the system to prevent condensate from collecting in the pump head Choose a safe location flat surface for the pump Protect the pump from dust Protect the pump from vibrations and jolts...

Page 11: ...tor Correct connection red cable black cable EMC compatible Installation for NPK 09 DC The Tests Magnetic field with energy technical frequency Electromagnetic HF field amplitude modulated Electromagn...

Page 12: ...ta If the pump is used as a vacuum pump safely discharge the pump exhaust at the pump s pneumatic outlet Connecting pump A marking on the pump head shows the direction of flow 1 Remove the protective...

Page 13: ...If the air or gas quantity in the pressure line is throttled or regulated make sure that the maxi mum permissible operating pressure is not ex ceeded Excessive pressure with all of the related hazard...

Page 14: ...imple to change When changing the piston seal check the valve plates for damage tongues bent corrosion Fig 5 Pump element single head types Fig 6 Pump element twin head types Fig 7 Pump element all ty...

Page 15: ...figures 5 and 6 This helps avoid incorrect assembly later 3 Unscrew the 4 screws 4 and take off the ribbed head 3 4 Remove gasket 6 valve plate 7 intermediate plate 2 and valve plate 8 from housing 1...

Page 16: ...8 shows the correct orientation of the parts particularly the valve plates in relation to the compression symbol on the head plate Both valve plates are identical and they can be fitted ei ther way up...

Page 17: ...seal must be carried out Disassembly 1 to 4 10 and 11 Assembly 5 to 8 using new valve plates 2 for each head For twin head pumps repeat the operations described for the second head and replace the con...

Page 18: ...en changing valve plates and diaphragm inspect all parts for dirt before assembling the pump head and clean them if neces sary As far as possible clean the parts with a dry cloth Solvents should not b...

Page 19: ...pump Make sure the pump is de energized and secure Check the pump see Tab 14 and 15 Pump does not transfer Cause Fault remedy Thermal switch has operated following to over heating Disconnect pump from...

Page 20: ...ate throttling e g valve if necessary Use lines or connection parts with larger cross section if necessary Leaks occur on connections lines or pump head Eliminate leaks Connections or lines completely...

Page 21: ...ew 318015 5 Connection for NPK 09 1 NPK 09 1 2 suction side Connection for NPK 09 2 NPK 09 1 2 pressure side 026178 026179 6 Gasket 052650 7 8 Valve plate 052649 9 O Ring 317559 10 Cylinder 318168 11...

Page 22: ...te for repairing a pump by KNF is a completed Decon tamination Form This is made available on the KNF website as a download To find the form select your country on the overview page www knf com You ca...

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