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Diaphragm liquid pump NF 100

Installation and connection

KNF Flodos BA_NF100_EN_10_067676.docx
Translation of original Operating and Installation Instructions

18

6.3. Hydraulic connection



Only connect components to the pump that are designed to

handle the hydraulic data of the pump (see
Chapter 4, Technical data).



Only use hoses that are suitable for the maximum permissible

operating pressure of the pump (see Chapter 4).



Only use hoses that are sufficiently chemically resistant to the

liquids being transferred.

6.3.1. Connecting the pump

Arrows on the pump head indicate the flow direction.

Remove the protective caps.

Connect the suction and pressure lines.

Keep the suction line as short as possible in order to keep the
priming process as brief as possible.

If the pump is used to build up pressure, make sure that all

transition joints between hose and pump are secure in order to
ensure that the hoses cannot come off.

Check that the hoses and transition joints are fitted correctly

and securely.

Check that the system is leak-tight.

Connected

components

Hoses

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Содержание NF 1.100

Страница 1: ...signation with no technical relevance Contents Page 1 About this document 2 2 Use 3 3 Safety 5 4 Technical data 7 5 Assembly and function 10 6 Installation and connection 12 7 Operation 20 8 Servicing 25 9 Troubleshooting 29 10 Spare parts and accessories 31 11 Return of the pump 32 KNF Flodos AG Wassermatte 2 6210 Sursee Switzerland Tel 41 0 41 925 00 25 Fax 41 0 41 925 00 35 www knf com info flo...

Страница 2: ...indicates a potential danger It also indicates the possible consequences of failure to observe the warning The signal word e g Warn ing indicates the level of danger Here you will see actions for avoiding the danger and potential consequences Danger levels Signal word Meaning Consequences if not observed DANGER warns of immedi ate danger Consequences are death or serious injury and or serious prop...

Страница 3: ...cles as these can prevent the pump from working correctly If this cannot be guaran teed a filter 100 m with sufficiently large filter area must be used upstream of the pump The 51 versions of our diaphragm liquid pump range have been certified by NSF according to the standard NSF ANSI 169 and are therefore suitable for use with foodstuffs without any restrictions All materials used have been check...

Страница 4: ... they can be cleaned The responsibility for cleaning there fore lies with the user While the NSF ANSI 169 standard regu lates OEM products it does not define cleaning methods for specific OEM products All parts in contact with the medium can be replaced as spare parts without losing the certification Component parts cannot be traded as certified parts When replacing parts assemblies only use origi...

Страница 5: ...read and understood the Oper ating and Installation Instructions and in particular the Safety chapter Always ensure adherence to all pertinent accident prevention and safety regulations when working on and operating the pump When transferring dangerous media observe the safety regula tions for handling such media Always ensure adherence to all information stickers on the pumps such as flow directi...

Страница 6: ...machinery is to be assem bled conforms to the provisions of the Machinery Directive 2006 42 EC The essential requirements of Annex I of Directive 2006 42 EC general principles are applied and observed The following harmonised standards are met NF 100 AA NF 1 100 AA EN 55014 1 NF 100 DC NF 1 100 DC EN 55014 1 NF 100 DCB NF 1 100 DCB1 EN 55011 EN 55022 EN 61000 4 3 NFB 100 DCB 41 EN 55011 EN 55022 E...

Страница 7: ...ssembly Material1 Pump head PP Valve plate FFKM Diaphragm PTFE coated Resonating diaphragm PTFE Diaphragm 27 FFKM FKM Tab 3 1 according to DIN ISO 1629 and 1043 1 The pump type TT stands for Assembly Material1 Pump head PVDF Valve plate FFKM Diaphragm PTFE coated Resonating diaphragm PTFE Diaphragm 27 FFKM FKM Tab 4 1 according to DIN ISO 1629 and 1043 1 The pump type FT stands for Assembly Materi...

Страница 8: ...he hoses hose connectors used 3 for DCB and AA version 4 barg Hydraulic connections Parameter Value NF 100 NF 1 100 NFB 100 G 1 8 UNF 100 UNF 1 100 UNFB 100 NPT 1 8 Recommended hose size ID mm 8 Tab 7 Specifications NF 100 AA Motor voltage 230V 50Hz Power consumption W 86 Max I load A 0 36 Max permissible current consumption A 0 50 Protection class IP 54 Weight1 g 2430 Tab 8 Specifications NF 100 ...

Страница 9: ...t1 g 720 Tab 12 Specifications NF 1 100 DCB Motor voltage 12V 24V Power consumption W 18 18 Max I load A 1 29 0 75 Max permissible current consumption A 1 5 0 75 Protection class IP 30 Weight1 g 500 Tab 13 Specifications NFB 100 DCB 4 Motor voltage 12V 24V Power consumption W 15 15 Max I load A 1 25 0 63 Max permissible current consumption A 1 5 0 75 Protection class IP 30 Weight1 g 640 Tab 14 1 T...

Страница 10: ...erred via the inlet valve 2 In the upward stroke the diaphragm pushes the medium out of the pump head via the outlet valve 1 The diaphragm hermetically seals off the working chamber 3 from the pump drive 7 NF 100 version fixed flow rate This pump type represents this product in its simplest form and transfers media at the fixed flow rate NF 100 27 version fixed flow rate with overpressure limiting...

Страница 11: ...odos BA_NF100_EN_10_067676 docx Translation of original Operating and Installation Instructions 11 NFB 100 version double headed pump with fixed flow rate This pump type has two NF100 pump heads that can be operated individually or together see Chapter 6 3 2 ...

Страница 12: ...y install the pumps under the operating parameters and condi tions described in Chapter 4 Technical data Observe the safety precautions see Chapter 3 6 1 Installation Before installation store the pump at the installation location to bring it up to ambient temperature Mounting dimensions see Fig 3 to 9 Fig 3 Mounting dimensions NF 100 AA Fig 4 Mounting dimensions NF 1 100 AA Mounting dimensions ...

Страница 13: ...lation and connection KNF Flodos BA_NF100_EN_10_067676 docx Translation of original Operating and Installation Instructions 13 Fig 5 Mounting dimensions NF 100 DC Fig 6 Mounting dimensions NF 1 100 DC Fig 7 Mounting dimensions NF 100 DCB ...

Страница 14: ...dequate amount of cooling air Make sure that the installation location is dry and the pump is protected against water in the form of rain spray splashes and drips Protect the pump against dust Protect the pump against vibration and impact Generally speaking the pump can be installed in any position The venting and accuracy of one headed pumps is optimal if installed as shown in the illustration Fi...

Страница 15: ...of the pump being transferred to the system For pumps with alternating current motors WARNING Danger of injury during operation Take protective measures against touching parts which are energised live such as electrical connections or windings Take protective measures against touching moving parts e g fan Danger of damaging the pump during operation Take protective measures to ensure that no forei...

Страница 16: ...to a power source the relevant norms directives regulations and technical standards must be observed Connecting the pump Make sure that the power supply data match the data on the motor s type plate The current consumption can be found on the type plate Connect the motor cables For electrical data see Chapter 4 Note the proper polarity For DC motors red motor cable black blue motor cable In the ca...

Страница 17: ... motor DCB must be fitted with a supplemental circuit The supple mental circuit must be installed as close as possible to the motor The supplemental circuit must be installed according to the follow ing wiring diagram and its defined components in order to achieve the required level of attenuation Optimum circuit Adequate circuit Fig 11 Supplemental circuit Supplemental circuit for brushless DCB m...

Страница 18: ...hoses that are sufficiently chemically resistant to the liquids being transferred 6 3 1 Connecting the pump Arrows on the pump head indicate the flow direction Remove the protective caps Connect the suction and pressure lines Keep the suction line as short as possible in order to keep the priming process as brief as possible If the pump is used to build up pressure make sure that all transition jo...

Страница 19: ...igure pump head hoses in parallel see Fig 13 Keep hoses between pump and junction as short as possible As little constriction as possible should be caused when using connecting components As a guide min inner diameter 5 5 mm Contact your KNF technical advisor if you have any questions see last page for telephone number Fig 13 NFB 100 hose configuration for low pulsation CAUTION Changed technical c...

Страница 20: ...ger of bursting of the fluid system due to overpressure The pump builds up pressure A closed system can cause the max permitted operating pressure to be exceeded This can cause injuries or damage to the pump and the system Avoid operation against a closed system Only use wetted parts that are rated for at least the operating pressure of the pump If necessary limit the maximum system pressure by su...

Страница 21: ... Instructions 21 WARNING Risk of physical injury and damage to the pump due to automatic start If the pump overheats and pump operation is stopped by the thermal switch electronics the pumps will restart automatically as soon as they have had time to cool down Take steps to ensure that this cannot produce a hazardous situation ...

Страница 22: ...ephone number see last page Switching on the pump In order to ensure that the pump starts every time make sure that counterpressure is reduced to an acceptable level before start up This should also be done during operation after a brief power cut For more specific information contact your KNF technical adviser Switching off the pump KNF recommends If transferring aggressive liquids the pump shoul...

Страница 23: ... BA_NF100_EN_10_067676 docx Translation of original Operating and Installation Instructions 23 Flow rate NF 100 Fig 15 Flow rate of pump NF 100 AA DC DCB Flow rate NF 1 100 Fig 16 Flow rate of pump NF 1 100 DC Fig 17 Flow rate of pump NF 1 100 AA DCB ...

Страница 24: ...perating and Installation Instructions 24 Flow rate NFB 100 per pump head Fig 18 Flow rate of pump NFB 100 DCB 4 per pump head Fig 19 Flow rate of pump NFB 100 DCB 4 per pump head depending on control voltage 0 20 0 40 0 60 0 80 1 00 1 20 1 40 0 1 2 3 4 5 Flow rate l min Control voltage VDC 0 mWG 10 mWG ...

Страница 25: ... or poisoning are possible Wear protective clothing if necessary e g pro tective gloves Flush the pump with a neutral liquid and pump empty 8 2 1 Flushing the pump When transferring aggressive media KNF recommends flush ing the pump with air or an inert gas if necessary for safety reasons under atmospheric conditions for a few minutes be fore switching off in order to extend the service life of th...

Страница 26: ...ush the ridge on the underside of the diaphragm into the groove of the housing Place the dust free valve plate 6 into the intermediate plate 7 making sure it is in the correct position The method of assembly which follows will differ according to the pump type used For this reason please proceed with the section NF 100 and NFB 100 versions or NF 100 27 ver sion that corresponds to the pump type yo...

Страница 27: ...e through holes of the pump head Make sure that the flow direction of the pump head see direc tional arrow on head plate 27 12 is the same as previously Place the pump head onto the pump housing and alternately tighten the four head screws 1 The maximum tightening torque is 2 5 Nm Reconnect the hoses to the pump head The activities described above should not alter the set pres sure of the overflow...

Страница 28: ...Switch on the pump and run until there are no air bubbles in the system Close the valve downstream of the pressure gauge and check the overflow pressure at the gauge Undo the hexagon nut 11 on the setscrew 10 To reduce the pressure turn the setscrew 10 anti clockwise to increase the pressure turn it clockwise Use the hexagon nut 11 to secure the setscrew 10 in the selected position Make sure that ...

Страница 29: ... closed or filter is clogged Check external valves and filters Diaphragm or valve plate or seals are worn Replace diaphragm valve plate and seals see Chapter 8 2 Tab 19 Pump is not priming Possible cause Remedy Suction side of pump not con nected Connect the suction side of the pump Liquid in the container is too low Fill container Hose connections are not leak tight Secure transition joints betwe...

Страница 30: ...es in the pump Clean the pump head install suction side filter if required see Chapter 8 2 Viscosity of the transferred medium is too high Contact KNF Incorrect interchange of pres sure and suction line connec tions Remove pressure and suction lines and reconnect correctly The pump parts are not re sistant to the medium to be transferred Replace the pump head with a compatible version Tab 21 Fault...

Страница 31: ... kit KP 1 065261 Spare parts kit KT TT 065262 Spare parts kit FT 152631 Spare parts kit KP 27 067529 Spare parts kit KT 27 TT 27 067530 Tab 22 1 For KP 51 version contact your KNF technical advisor Accessories Accessories Order No Screw in nipple with seal EPDM R1 8 1 168554 Screw in nipple with seal EPDM NPT1 8 168555 Screw in nipple with seal FFKM R1 8 1 168546 Screw in nipple with seal FFKM NPT...

Страница 32: ... 32 11 Return of the pump KNF undertakes to repair the pump only under the condition that the customer provides a certificate of the pumped medium and cleaning of the pump For this purpose please follow the instructions on www knf com repairs Please contact your KNF sales representative directly if you need additional support for your return service ...

Страница 33: ...Diaphragm liquid pump NF 100 Your Notes KNF Flodos BA_NF100_EN_10_067676 docx Translation of original Operating and Installation Instructions 33 ...

Страница 34: ...KNF worldwide Please find your local KNF partners at wwwknf com ...

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