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Diaphragm liquid pump NF 1.300 EX

Operation

KNF Flodos AG BA_NF1.300EX_EN_05_152146
English translation of original Operating and Installation Instructions

19

For more specific information contact your KNF technical

adviser.

Switching off the pump

➔

KNF recommends: If transferring aggressive liquids, the pump

should be flushed thoroughly prior to switch off (see Chapter
8.2.1), as this will help to lengthen the service life of the dia-
phragm.

➔

Restore the system to normal atmospheric pressure (release

hydraulic pressure in pump).

Flow rate NF 1.300

Fig. 6: Flow rate of the pump NF 1.300

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Содержание NF 1.300 EX

Страница 1: ...of the mechanical pump and electric drive motor parts the device has two rating plates Each rating plate describes only the part of the device to which it is applied An additional letter prefixing the...

Страница 2: ...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...

Страница 3: ...m working correctly If this cannot be guaran teed a filter 100 m with sufficiently large filter area must be used upstream of the pump 2 2 Improper use For special modifications outside the standard t...

Страница 4: ...r continuously for long periods or frequently Very high 2 Areas in which hazardous explosive atmospheres are likely to occur occasionally High 3 Areas in which it is unlikely that hazardous explosive...

Страница 5: ...ethane Acetic anhydride Benzene Diesel fuel Aviation turbine fuel Heating oils n hexane Acetaldehyde IIB Town gas Ethylene Ethyl alcohol Hydrogen sulphide Ethyl ether IIC Hydrogen Acetylene Carbon dis...

Страница 6: ...n Description bh Protection by Control of Ignition Source h Constructional safety kh Liquid encapsulation d Pressureproof enclosure e Increased safety i Intrinsic safety p Pressurisation m Encapsulati...

Страница 7: ...edium observe the safety regula tions for handling such medium Always ensure adherence to all information stickers on the pumps such as flow direction arrows and rating plates and keep stickers in leg...

Страница 8: ...t A risk analysis was carried out in accordance with EN 1127 1 Ignition sources If the pump compresses against the maximum permissible operat ing pressure the temperature of the head will not exceed t...

Страница 9: ...his would be noticed at once because flow rate would fall considerably In the event of damage the loose steel component would be channelled by the pump housing Even in the event of a malfunction no sp...

Страница 10: ...ab 8 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 91...

Страница 11: ...ding on the version Other parameters Parameter Value Permissible ambient temperature range C 5 to 40 Permissible medium temperature range C 5 to 40 Permissible kinematic viscosity of medium cSt 150 Ta...

Страница 12: ...medium to be transferred 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...

Страница 13: ...ee 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 NF1 300 Ex NF1 300 27 Ex Fig 3 Mountin...

Страница 14: ...nst 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...

Страница 15: ...ing plate matches the nominal values of the electrical power supply Voltage and fre quency values must comply with the mains data tolerance 5 the drive motor is protected against excessive heating by...

Страница 16: ...he pump Connect individual conductors of the motor supply cable to the terminal bar Tighten the clamping pressure screw of the screwed cable gland to a torque of 2 5 Nm Carefully inspect the marked ea...

Страница 17: ...he environment during pressure relief Make sure that the medium cannot combine with the pump s environment during pressure relief During pressure relief make sure that the medi um is captured in a sui...

Страница 18: ...pressure and the inherent dangers thereof can be prevented by placing a bypass line with a pressure relief valve between the pressure and suction side of the pump For further information contact your...

Страница 19: ...contact your KNF technical adviser Switching off the pump KNF recommends If transferring aggressive liquids the pump should be flushed thoroughly prior to switch off see Chapter 8 2 1 as this will hel...

Страница 20: ...pending on the pressure in your system the recommended time interval will vary see table below Please contact your local KNF Company to discuss the best way of implementing this service Operating pres...

Страница 21: ...lable blow off components Pump or drive disconnected from the mains and de energized The pump must be free of any hazardous substances Hoses must be disconnected from the pump head We recommend replac...

Страница 22: ...the section that corresponds to the pump type you are using NF 1 300 version or NF 1 300 27 version Re connect the hoses to the pump head NF 1 300 version Insert the resonating diaphragm 6 in the conn...

Страница 23: ...no washers for FT 7 Insert the four head screws 1 in the through holes of the pump head 8 Make sure that the flow direction of the pump head see direc tional arrow on the head plate 16 is the same as...

Страница 24: ...p for overflow 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 nu...

Страница 25: ...l lation Instructions for the drive motor Pump does not work Possible cause Fault remedy Pump not connected to mains power supply Connect pump to mains supply Power supply is not switched on Switch on...

Страница 26: ...een hose and hose connections with clamps or clamping elements Particles in the pump Clean the pump head install suction side filter if required see Section 8 2 Viscosity of the liquid is too high Con...

Страница 27: ...ered Start up time exceeded Check start up condi tions Tab 20 Fault cannot be rectified If you are unable to identify any of the above causes please send the pump to KNF customer service see address o...

Страница 28: ...n condition that the customer provides certification of the transferred medium and the cleaning of the pump decontamination declaration In order to send a product back use the decontamination declarat...

Страница 29: ......

Страница 30: ......

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Страница 32: ...KNF worldwide Please find your local KNF partners at www knf com...

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