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Diaphragm Pumps N 143/186.12

Spare parts and accessories

Translation of original Operating and Installation Instructions, english, KNF 121610-121613 07/16

10. Spare parts and accessories

Spare Parts

N 143 AN.12 E

N 143 SN.12 E

N 186.1.2 AN.12 E

N 186.1.2 SN.12 E

N 186.3 AN.12 E

N 186.3 SN.12 E

Spare part

Position*

Order No.

Working diaphragm

(L)

001620

Safety diaphragm

(S)

001622

Valve plate

(G)

001615

O-ring

(F, H, P)

002445

O-ring

(R)

002433

O-ring

(T)

002431

Tab. 18

*according to Fig. 9

N 143 AV.12 E

N 143 SV.12 E

N 186.1.2 AV.12 E

N 186.3 AV.12 E

Spare part

Position*

Order No.

Working diaphragm

(L)

001904

Safety diaphragm

(S)

001906

Valve plate

(G)

001908

O-ring

(F, H, P)

002460

O-ring

(R)

002450

O-ring

(T)

002448

Tab. 19

* according to Fig. 9

Accessories

Accessories

Order No.

Wrench for retainer plate

018816

Tab. 20

Содержание N 143 AN.12 E

Страница 1: ...12 E N 186 1 2 AV 12 E N 186 3 AN 12 E N 186 3 AV 12 E N 186 1 2 SN 12 E N 186 1 2 SV 12 E N 186 3 SN 12 E N 186 3 SV 12 E Contents Page 1 About this document 2 2 Use 3 3 Safety 5 4 Technical Data 7...

Страница 2: ...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 danger and its conse quences are spe...

Страница 3: ...the materials of the pump head diaphragm and valves with the medium Danger of dangerous gas mixtures during operation of the pump if the working diaphragm ruptures Depending on the medium being pumped...

Страница 4: ...sive atmosphere The pumps are not suitable for transferring liquids The pumps are not suitable for transferring dusts Pumps designed to create either a vacuum or an overpressure must not be used for t...

Страница 5: ...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...

Страница 6: ...8 1 5 9 1 7 4 1 7 4 1 1 7 4 3 As these partly completed machinery are OEM models the power supplies and the equipment for disconnecting and switching off the partly completed machinery respectively ha...

Страница 7: ...nless Steel Conrod disc Aluminium O rings NBR Tab 2 N 143 AV 12 E N 186 1 2 AV 12 E N 186 3 AV 12 E Assembly Material Head plate intermediate plate Intermediate ring Aluminium Working diaphragm FPM Sa...

Страница 8: ...V 12 E N 143 SV 12 E Parameter Value Max permissible operating pressure bar g 3 0 Ultimate vacuum mbar abs 100 Delivery rate at atm pressure l min 30 Tab 6 Liters in standard state 1 013 mbar N 186 1...

Страница 9: ...m Thread size G 1 8 Tab 9 Electrical data Parameter Value Electrical data See type plate Protection class motor IP44 Maximum permitted mains voltage fluctuations 10 Tab 10 The pumps with capacitor mot...

Страница 10: ...x H x W mm 502 x 225 x 288 Dimensions N 186 3 _ _ 12 E L x H x W mm 450 x 225 x 288 Maximum permissible ambient relative humidity 80 for temperatures up to 31 C decreasing linearly to 50 at 40 C Max a...

Страница 11: ...ring the di aphragm intermediate space 7 Fan cover Fig 1 Double diaphragm pump N 143 __ 12 E Design N 186 1 2_ _ 12 E 1 Pneumatic inlet Tube OD 10 2 Pneumatic outlet Tube OD 10 3 Pneumatic head connec...

Страница 12: ...Working diaphragm 5 Innerspace 6 Hole for pressure monitor ing the innerspace 5 7 Safety diaphragm 8 Eccentric 9 Connecting rod 10 Pump drive Fig 4 Pump head Double diaphragm pumps transfer compress...

Страница 13: ...121613 07 16 13 mechanical stress when the pump is operating lf gas should leak at the working diaphragm it will still remain inside the pump space The innerspace 5 between both diaphragms can be pres...

Страница 14: ...the installation location to bring it up to ambient temperature See fig 5 pump series N 143__ 12E and fig 6 pump series N 186 1 2 __ 12 E and N 186 3 __ 12 E for the mounting di mensions Fig 5 Mountin...

Страница 15: ...zed specialist Only have the pump connected when the power supply is disconnected When connecting the device to a power source the relevant standards directives regulations and technical standards mus...

Страница 16: ...of the pump see chapter 4 Technical da ta Protect the compressors with a pressure relief device between the pressure side of the compressor and the first shut off valve If the pump is used as a vacuum...

Страница 17: ...e when the medium mixes with the air in the innerspace between the working diaphragm and the safety diaphragm Evacuate the innerspace between the working diaphragm and the safety diaphragm see posi ti...

Страница 18: ...Do not exceed max permissible operating pressure see chapter 4 Technical data Monitor pressure during operation If the pressure exceeds the maximum permissi ble operating pressure immediately switch o...

Страница 19: ...starting can cause personal injury and pump damage When the operation of the pump is interrupted by the thermal switch the pump will restart automatically after cooling down Take all necessary care to...

Страница 20: ...h air or if necessary for safety reasons with an inert gas prior to switch off to increase the service life of the diaphragm 8 2 2 Cleaning pump Only use solvents for cleaning if the head materials ca...

Страница 21: ...es Spare part Position Quantity Safety diaphragm S 1 per pump head Working diaphragm L 1 per pump head O Ring F H P 3 per pump head O Ring R 1 per pump head O Ring T 1 per pump head Valve plate G 1 pe...

Страница 22: ...Hexagon socket head cap screw L Working diaphragm M Hexagon socket head cap screw N Diaphragm support P O ring R O ring S Safety diaphragm T O ring Z Dowel pin Roll pin Fig 9 Pump parts The following...

Страница 23: ...because the dia phragm support N turns with it carry out step 7 first In that case clamp the diaphragm support to loosen the retainer plate 7 Undo the six hexagon socket head cap screws M remove inte...

Страница 24: ...the correct orientation of the intermediate plate 13 Fit a new O ring F in the diaphragm head D secure the O ring with retaining clips so that it cannot fall out during assem bly 14 Place head plate D...

Страница 25: ...sary for safety reasons with an inert gas Working diaphragm or valve plate are worn Replace working diaphragm safety diaphragm andvalve plate see chapter 8 3 Tab 16 Flow rate pressure or vacuum too lo...

Страница 26: ...iled Clean head components Working diaphragm or valve plate is worn Replace working diaphragm safety diaphragm and valve plate see chapter 8 3 Tab 17 Fault cannot be rectified If you are unable to det...

Страница 27: ...n Order No Working diaphragm L 001620 Safety diaphragm S 001622 Valve plate G 001615 O ring F H P 002445 O ring R 002433 O ring T 002431 Tab 18 according to Fig 9 N 143 AV 12 E N 143 SV 12 E N 186 1 2...

Страница 28: ...and decon tamination form For optimal processing of a return a copy of this declaration should be sent in advance via e mail regular mail or fax to KNF Customer Service refer to final page for address...

Страница 29: ...learance and decontamination form Diaphragm Pumps N 143 186 12 29 Translation of original Operating and Installation Instructions english KNF 121610 121613 07 16 12 Health and safety clearance and dec...

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Страница 31: ......

Страница 32: ...KNF worldwide Find your local KNF partner on www knf com...

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