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Diaphragm-liquid pump NF 1.60

Return of the pump

KNF Flodos AG BA_NF1.60_EN_05_161566.docx
Translation of Original Operating and Installation Instructions

10. 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.

Содержание NF 1.60

Страница 1: ...del code is a country 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 connecti...

Страница 2: ...es the possible consequences of failure to observe the warning The signal word i e Warning indicates the level of danger This specifies measures for avoiding the danger and the consequences of failure...

Страница 3: ...application case Before using a medium check the compatibility of the materials of the pump head pump housing diaphragm and valves with the pumped medium The temperature of the medium must lie within...

Страница 4: ...e operating 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 pum...

Страница 5: ...service until the final machinery into which it is to be installed has been declared to be in conformity with the provisions of this Directive Always ensure implementation and enforcement of the basi...

Страница 6: ...aphragm PTFE Tab 3 1 according to DIN ISO 1629 and 1043 1 Pump head Fig 1 comprises an intermediate plate and a connecting plate Hydraulic ratings Parameter 3 Value Flow rate l min 1 2 0 65 Permissibl...

Страница 7: ...ection class IP50 Weight1 g 260 Tab 6 Specifications NF 1 60 DC Motor voltage 12V 24V Power consumption W 10 Max I load A 0 8 0 4 Max permissible current consumption A 1 4 0 71 Protection class IP00 W...

Страница 8: ...Pump drive Fig 2 Operating principle Diaphragm liquid pumps are based on reciprocating displacement pump technology An elastic diaphragm 4 is moved up and down by the eccentric 5 and the connecting r...

Страница 9: ...s under the operating parameters and conditions described in Chapter 4 Technical data Observe the safety notes see Chapter 3 6 1 Installation Before installation store the pump at the installation loc...

Страница 10: ...flexible hoses or pipes This prevents any oscillations of the pump being transferred to the system 6 2 Electrical connection For pumps with direct current motors Pump should only be connected by an a...

Страница 11: ...ns 11 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 maxi...

Страница 12: ...stem 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 r...

Страница 13: ...se contact a KNF pump specialist for further information Telephone number see first page Turning the pump on In order to guarantee that the pump can start every time it is advisable to reduce the back...

Страница 14: ...hing if necessary e g protective gloves Rinse the pump with a neutral liquid and pump empty 8 2 1 Flushing the pump If pumping aggressive media KNF recommends flushing the pump with a neutral fluid un...

Страница 15: ...cing the rolled diaphragm 11 Cleaning the parts 7 Clean the anchor valves 9 anchor valve seals 8 resonating diaphragm 4 and associated seal 3 and rolled diaphragm 11 with a cloth and then blow off wit...

Страница 16: ...prevents incorrect assembly 14 Place the connecting plate 7 on top of the intermediate plate 10 15 Insert seal 3 and resonating diaphragm 4 in connecting plate 7 16 Place head plate 2 on connecting pl...

Страница 17: ...eals are worn out Replace diaphragm valve plates and seals see Chapter 8 3 Tab 11 Pump is not priming Cause Fault remedy Suction side of pump not connected Connect the suction side of the pump Liquid...

Страница 18: ...lements Particles in the pump Clean the pump head install suction side filter if required see Chapter 8 2 Viscosity of the pumped medium is too high Contact KNF Incorrect interchange of outlet and inl...

Страница 19: ...s 19 10 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 fol...

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

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