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Diaphragm Vacuum Pumps N86.16 

 

Technical Data 

Translation of original Operating and Installation Instructions, english, KNF121260-121531 04/20 

4.  Technical Data 

Pump materials 

Assembly 

Material 

N86AT.16E 

Material 

N86ST.16E 

Pump head 

Aluminium  

alloy 

Stainless 

Steel 

Diaphragm 

PTFE 

PTFE 

Valve plate 

PTFE 

PTFE 

 

Tab. 2 

 

Pneumatic values 

Parameter 

Value 

Max. permissible operating 

pressure [bar] 

1.5 

Ultimate vacuum [mbar abs.] 

290 

Delivery rate at atm. pressure 

[l/min]* 

6.0 

 

Tab. 3 

*Liters in standard state (1013 mbar) 

 

Pneumatic Connections 

Pump type 

Value 

N86AT.16E 

Thread size G 1/8’ 

N86ST.16E 

Thread size G 1/8’ 

 

Tab. 4 

 

Electrical data 

Parameter 

Value 

Electrical data 

See type plate 

Protection class Motor 

See type plate 

Protection class Pump 

IP00 

Maximum permitted mains 

voltage fluctuations 

See type plate 

 

Tab. 5 

 

 

The pumps are fitted as standard with a thermal-switch to pro-
tect against overloading. 

 

Project-specific pumps that are 

not

 fitted with a thermal switch 

must be protected by the user against the risk of overheating. 

 

Weight 

Pump type 

Value [kg] 

N86AT.16E 

1.3 

N86ST.16E 

1.5 

 

Tab. 6 

 

 

Thermal switch 

Summary of Contents for N86.16 Series

Page 1: ...LATION OF ORIGINAL OPERATING AND INSTALLATION INSTRUCTIONS ENGLISH DIAPHRAGM VACUUM PUMPS AND COMPRESSORS Note Before operating the pump and the accessories please read the operating instructions and...

Page 2: ...nction 11 6 Transportation 12 7 Installation and connection 13 8 Operation 17 9 Servicing 19 10 Troubleshooting 24 11 Spare parts and accessories 26 12 Returns 27 KNF Neuberger GmbH Alter Weg 3 79112...

Page 3: ...Warning WARNING A danger is located here Possible 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 d...

Page 4: ...rain splash hose and drip water as well as other pollutions The gas tightness of the connections between the application pipes and the pump or the pump connection must be checked regularly with leaky...

Page 5: ...liquids aerosol biological and microbiological substances fuel explosive and combustible materials fibers oxidizing agent foodstuffs The pumps are not suitable for use with aggressive media Other pum...

Page 6: ...Make sure that the personnel has read and understood the Operat ing and Installation Instructions and in particular the Safety chap ter Observe the accident prevention and safety regulations when per...

Page 7: ...interna tional regulations This especially applies to parts contaminated with toxic substances For the purposes of the Machinery Directive 2006 42 EC pumps are partly completed machinery and are there...

Page 8: ...nce free But KNF recommends checking the pump regularly with regard to conspicuous changes in noise and vibrations Only have repairs to the pumps carried out by the KNF Customer Service responsible Ho...

Page 9: ...ssure l min 6 0 Tab 3 Liters in standard state 1013 mbar Pneumatic Connections Pump type Value N86AT 16E Thread size G 1 8 N86ST 16E Thread size G 1 8 Tab 4 Electrical data Parameter Value Electrical...

Page 10: ...s See Fig 3 Chapter 7 1 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 Gas tightness of pump...

Page 11: ...lastic diaphragm 4 is moved up and down by the eccentric 5 and the connection rod 6 In the downward stroke it aspirates the gas to be transferred via the inlet valve 2 In the upward stroke the diaphra...

Page 12: ...oes CAUTION Danger of injury due to sharp edges on the package When handling or opening the package there is the possibility of injury by cutting at sharp edges If necessary wear proper personal prote...

Page 13: ...he insulation resistance with a suitable meas uring instrument megaohmmeter with 500V DC test voltage Rmin 5 M depending on the type of heating element and the storage conditions e g high humidity If...

Page 14: ...t the installation location is accessible for maintenance and service Make sure that reaching into the fan is avoided The IP protection class of the pump motor is indicated on the type plate Install t...

Page 15: ...t of the pump see pump s type plate It is recommended that an additional Emergency Stop switch is installed The pump must be installed so that contact with live parts is impossible Fasten the connecti...

Page 16: ...the first shut off valve If the pump s used as a vacuum pump safely discharge the pump exhaust at the pump s pneumatic outlet KNF recommends mechanically disengaging the pump from the piping system Th...

Page 17: ...e pumps are not used improperly see Chapter 2 2 Observe the safety precautions see Chapter 3 The pumps are intended for installation Before putting them into service it must be established that machin...

Page 18: ...pump at a standstill open pressure and suction lines to normal atmospheric pressure The pump may not start up against pressure or vacuum during switch on This also applies in operating following a br...

Page 19: ...ngerous and environmentally hazardous me dia KNF recommends flushing the pump at atmospheric pressure for a few minutes prior to switch off if necessary for safety rea sons with an inert gas to extend...

Page 20: ...ts 1 O ring 1 Tab 10 according to spare parts list Chapter 11 1 Tools Material Fork wrench or socket wrench 5 5 mm Pin wrench for two hole nuts pin diameter 4 mm available as wrench for retainer plate...

Page 21: ...ump head exploded drawing The following item numbers refer to Fig 4 Fig 6 unless speci fied otherwise 1 Carrier 2 Wave diaphragm 3 Intermediate plate 4 Head plate 5 Disk spring 6 Nut 7 Retainer plate...

Page 22: ...wrench for retainer plate While doing so hold the connecting rod extension 9 in place with holding tool Take care to ensure that the washer 12 does not slip under the diaphragm support 8 2 Remove wav...

Page 23: ...felt tip pen marking 2 Place disk springs 5 For position see Fig 6 3 Put the nuts 6 in place and tighten them diagonally until each of them lies level on the top spring washer realign the pump head Fr...

Page 24: ...fuse and switch on if necessary Connections or lines are blocked Check connections and lines Remove blockage External valve is closed or filter is clogged Check external valves and filters Condensate...

Page 25: ...ues Eliminate throttling e g valve if necessary Use lines or connection parts with larger cross section if necessary Leaks occur at connections lines or pump head Eliminate leaks Connections or lines...

Page 26: ...260 121531 04 20 11 Spare parts and accessories 11 1 Spare part set A spare part set consists of Spare part Position number Quantity Valve plate 11 1 Wave diaphragm 2 1 O ring 10 1 Tab 14 Spare part s...

Page 27: ...Prerequisite 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...

Page 28: ...KNF worldwide Find your local KNF partner on www knf com...

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