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Liquid pulsation damper 

About this document 

KNF Flodos BA_FPD_EN_04_069182 
Translation of Original Operating and Installation Instructions

 

1.  About this document 

 

Use of the Operating and Installation Instruc-

1.1.

tions 

The  Operating  and  Installation  Instructions  are  part  of  the  liquid 

pulsation damper. 

  Pass on the Operating and Installation Instructions to the next 

owner. 

Customer-specific projects (liquid pulsation dampers which begin 
with "PL" or "PML") may differ from the Operating and Installation 

Instructions. 

  In the case of projects, take note of any additionally agreed 

specifications. 

 

Symbols and markings 

1.2.

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. 

 

  This specifies measures for avoiding the danger 

and the consequences of failure to implement 

these measures. 

 

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 possible 
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 needs to be carried out. 

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

1. 

Any additional steps required are numbered consecutively. 

 

This symbol indicates important information. 

Customer projects 

Summary of Contents for FPD 06

Page 1: ...d observe these Oper ating and Installation Instruc tions An additional letter prefixing the FPD model code is a coun try specific designation with no technical relevance Contents Page 1 About this do...

Page 2: ...the possible consequences of failure to observe the warning The signal word e g Warn ing indicates the level of danger This specifies measures for avoiding the danger and the consequences of failure t...

Page 3: ...fficiently large filter area must be used upstream of the liquid pulsation damper The 51 versions of our liquid pulsation dampers have been certi fied by NSF according to the standard NSF ANSI 169 and...

Page 4: ...NSF ANSI 169 standard regulates 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 certif...

Page 5: ...or handling such media Always ensure adherence to all information stickers on the liquid pulsation damper such as flow direction arrows and type plates and keep stickers in legible condition All repla...

Page 6: ...69182 Translation of Original Operating and Installation Instructions 6 All repairs to the liquid pulsation damper must be carried out by the relevant KNF Customer Service team Only use genuine parts...

Page 7: ...60 NF 100 FPD 1 06 6 NF 1 5 NF 1 10 NF 1 30 NF 1 60 FPD 10 10 NF 300 NF600 FPD 1 10 10 NF 1 100 NF 1 300 NF 1 600 Tab 2 Materials selection Head material selection FPD 06 KPZ FPD 06 KP 51Z FPD 1 06 KP...

Page 8: ...r models with KT TT max 40 mWG Hydraulic connections Parameter Value Thread for connecting piece FPD 06 1 06 G 1 8 Thread for connecting piece UFPD 06 1 06 NPT 1 8 Thread for connecting piece FPD 10 1...

Page 9: ...that it reduces the pressure pulsation that is generated in particular by reciprocating displacement pumps In doing so the quality of the damping is significantly influenced by the banking up pressur...

Page 10: ...quid pulsation damper when using a pump with integrated overpressure limiting 27 is not recom mended In this case to secure the system a pressure control valve FDV should be connected downstream of th...

Page 11: ...rking in an area under pressure this is imperative to prevent the hoses from coming off the hose connectors In the case of special models the internal nozzle cross section specified in the system para...

Page 12: ...ves Rinse the liquid pulsation damper with a neutral liquid and pump empty 7 2 1 Flushing the liquid pulsation damper When transferring aggressive media KNF recommends flush ing the liquid pulsation d...

Page 13: ...position of the O ring 4 and the sealing cord 3 6 Carefully insert the new auxiliary diaphragm 6 7 Changing the O ring 7 4 Remove the old O ring 4 1 Insert the new O ring 4 in its groove 2 Changing t...

Page 14: ...required see Chapter 7 2 Viscosity of the transferred medium is too high Contact KNF Incorrect interchange of outlet and inlet line connections Remove outlet and inlet lines and re connect correctly T...

Page 15: ...pulsation damper model the serial number and the transferred media in the form below and send the signed form together with the flushed and cleaned liquid pulsation damper to KNF customer services se...

Page 16: ...Liquid pulsation damper For your notes KNF Flodos BA_FPD_EN_04_069182 Translation of original Operating and Installation Instructions 16...

Page 17: ...Liquid pulsation damper For your notes KNF Flodos BA_FPD_EN_04_069182 Translation of original Operating and Installation Instructions 17...

Page 18: ...KNF worldwide Please find your local KNF partners at www knf com...

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