KNF NF 2.35 Скачать руководство пользователя страница 2

Diaphragm liquid pump NF 2.35 

About this document 

KNF Flodos AG BA_NF2-35_EN_02_164912 
Translation of original Operating and Installation Instructions

 

1.  About this document 

 

 

Disclaimer of liability 

KNF accepts no liability for any damage caused by failure to 
follow the operating instructions. 

 

1.1.  Use of the Operating and Installation Instruc-

tions 

The Operating and Installation Instructions are part of the pump. 

  Forward the Operating and Installation Instructions to any 

subsequent owners of the pump. 

Customer-specific project pumps (pump models which begin with 

"PL" or "PML") may differ from the Operating and Installation 
Instructions. 

  In the case of project pumps, take note of any additionally 

agreed specifications. 

1.2.  Symbols and markings 

Warning 

 

WARNING 

 

This symbol 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 include death or 
serious injuries and/or serious 
property damage 

WARNING 

warns of potential 
danger 

Death or serious injuries and/or 
serious property damage are 
possible 

CAUTION 

warns of a poten-
tially dangerous 
situation 

Minor injuries or damage to 
property are possible 

Tab. 1 

Other information and symbols 

  This indicates an activity (step) that must be carried out. 

  This indicates the first step of an activity to be carried out. Any 

additional steps required are numbered consecutively. 

 

This symbol indicates important information. 

Project pumps 

Содержание NF 2.35

Страница 1: ...de is a coun try specific designation with no technical relevance Contents Page 1 About this document 2 2 Use 3 3 Safety 4 4 Technical data 6 5 Assembly and function 8 6 Installation and connection 9...

Страница 2: ...markings Warning WARNING This symbol 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 dang...

Страница 3: ...n the permissible temperature range see Chapter 4 The transferred medium should not contain particles as these can prevent the pump from working correctly If this cannot be guaran teed a filter 50 m w...

Страница 4: ...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 trans...

Страница 5: ...ed as not ready for use Partly completed machinery may not be commissioned until such time as it has been determined that the machine in which the partly completed machinery is to be assem bled confor...

Страница 6: ...PTFE Resonating diaphragm PTFE Tab 3 1 according to DIN ISO 1629 and 1043 1 2 The pump head comprises an intermediate plate and a connecting plate Hydraulic ratings Parameter Value PN nominal pressure...

Страница 7: ...0 46 1 1 0 44 Protection class IP50 Weight g 1 260 Tab 6 1 The weight may differ slightly from the stated value depending on the version Electrostatic sensitive components ESD Other parameters Paramet...

Страница 8: ...alve 3 Working chamber 4 Diaphragm 5 Eccentric 6 Connecting rod 7 Pump drive Fig 2 Pump assembly The diaphragm liquid pumps are based on reciprocating displace ment pump technology The elastic diaphra...

Страница 9: ...instructions Before installation store the pump at the installation location to bring it up to ambient temperature Mounting dimensions see Fig 3 and 4 Fig 3 Mounting dimensions NF 2 35 DCB B Fig 4 Mou...

Страница 10: ...connect the pump when the power supply is disconnected When connecting the device to a power source the applicable norms directives regulations and technical standards must be observed Connecting the...

Страница 11: ...ilitate the priming process Check that the hoses and transition joints are fitted correctly and securely Check that the system is leak tight WARNING The bursting of unprotected parts of the system may...

Страница 12: ...rvicing it is recommended to use a new head plate with new rubber part to ensure continued maximum leak tightness Service Kit Pump Head NF 2 35 XP item no 165 704 NF 2 35 XT item no 165 705 Plug in co...

Страница 13: ...g excessive pressure and the inherent dangers thereof is to place a bypass line with a pressure relief valve between the pressure and suction sides of the pump For further information contact your KNF...

Страница 14: ...lev el If you experience a brief power interruption check for the presence of pressure or vacuum before restarting For more specific information contact your KNF technical adviser Switching off the pu...

Страница 15: ...erably sooner Filter accessory Change if it is dirty Tab 8 8 2 Disassemble pump head WARNING Health hazard due to dangerous substances in the pump Depending on the medium transferred caustic burns or...

Страница 16: ...in pump housing Screw diaphragm 11 with washer 12 into connecting rod Make sure that no washers 12 fall into the pump housing Fully tighten the diaphragm by hand Place O rings 8 and anchor valves 9 i...

Страница 17: ...alve plates or seals are worn Replace diaphragm valve plates and seals see Chapter 8 2 Replace pump Tab 10 Pump is not priming Possible cause Fault remedy Suction side of pump not con nected Connect t...

Страница 18: ...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 Remo...

Страница 19: ...n that the customer provides certification of the transferred media and the cleaning of the pump decontamination declaration In order to send a product back use the decontamination declaration which e...

Страница 20: ...KNF worldwide Please find your local KNF partners at www knf com...

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