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68/72

Balls do not close
properly.

Insufficient air flow.

Disassemble the mani-
folds and clean the seats
or both the balls and the
ball seats.

Check  pressure  using
pressure gauge installed
on  thepump  when  it  is
running:  see  page  56.  if
the pressureat that point
is  too  low  in  relation
to  network  pressure,
checkall  the  air  fittings,
especially snap-on ones.
Check  if  all  aircontrol
devices have a sufficient
flow  rate.  WARNING:
in90%  of  cases,  stall  oc-
currences are caused by
snap-onfittings.

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Содержание MA

Страница 1: ...MA MP POMPE PENUMATICHE A MEMBRANA MANUALE D USO E MANUTENZIONE DIAPHRAGM PUMPS INSTRUCTIONS FOR USE AND MAINTENANCE IT EN ...

Страница 2: ... THE PRODUCT CIRCUIT PNEUMATIC CONNECTION COMMISSIONING PRODUCT CIRCUIT MAINTENANCE P1 CLEANING AND REPLACING BALLS AND BALL SEATS P2 CLEANING AND REPLACING THE DIAPHRAGMS AIR CIRCUIT MAINTENANCE Q1 REPLACING THE COAXIAL EXCHANGER TROUBLESHOOTING DECOMMISSIONING DEMOLITION AND DISPOSAL A B C D E F G H I L M N O P Q R S T INDEX DIAPHRAGM PUMPS EN MA MP INSTRUCTIONS FOR USE AND MAINTENANCE ...

Страница 3: ... U P Z X p Z o Z R Z T U O Z i Q Y S P O S P Z p N R T Z W Z Z R Z O V N Z e e a _ h c O R Z V W O d M _ f R Z Y W O d Z Y V Z R V X O Z W S T Z Y P Y Z O P Y V O S Z P T Z Y S P _ P W T S P O Z X R S P R Z Y W O d P Y S P Q R W S P b P O P W Z X P T Z Q R S W Z V V O T Z P W O T S P P Z R U W O Y O g T S P Z W X P Z R Q S W Z V O Y X Z W Z Z i Q Y S P O d r _ r h O V U R Z g g T Z Y X V V N O R O...

Страница 4: ... µ µ ª µ Â Á µ ª Á µ Ò ª Á 81 1 62 6LFKHUKHLW YRQ 0DVFKLQHQ 6LFKHUKHLWVWHFKQLVFKH QIRUGHUXQJHQ DQ ÀXLGWHFKQLVFKH QODJHQ XQG GHUHQ DXWHLOH 3QHX Ï Ë Ï Á ª Ç Á µ µ µ µ µ µ µ µ µ º ª ª µ ª µ µ ª µ Ï Ð º µ ª Ð º µ Ð º Ï Æ Ï À º º ª ª º µ ª µ µ Í Í ª µ ª Í ª µ µ Ò Á µ µ Ï Æ Ï ª Ï º º Á ª µ µ ª ª Ã µ ª ª ª µ Ò ª µ º Á ª µ Ï Æ À µ ª ª Â º Á µ µ ª Â µ ô ö µ Â µ ª µ µ ª ª ª ª µ ª ª Ã µ µ Ò Â µ Â µ µ Ï Æ º Ï...

Страница 5: ...U F G H I J K Y M I F G P X O G H K Q G H Q L N G P _ a b a _ a b a F T L X G c O G H G N O G S P T G P I R G F N U T P G M J d T G Q J I I P G H G I N W L H Q G e U T M W L H Q J K Q G G I N L e W M L H Q L Q J G T S L I X P X M T J U J H N c J Q P G Q L N G P Z G H c L O H N P I N _ f f g h i j k _ f f l m f _ k _ f i _ h f k n g b g o p a n b f a l q a q f _ a _ f _ r a b a s t u _ k v t w x y ...

Страница 6: ...VEN PARTIAL OF THIS MANUAL TEXT OR DRAWINGS ARE STRICTLY FORBIDDEN This manual is an integral part of the pump and represents a SAFETY DEVICE It contains important information that will assist the purchaser and his personnel in installing using and servicing the pumps in good condition and safety during ser vice life At the head of every chapter an information field with symbols indicates the pers...

Страница 7: ...ause of the dangers that may arise during the operation The personnel in charge of installing testing and servicing the pump must have a suitable technical knowledge of potentially explosive atmospheres and of the relevant risks removingoralteringthisidentificationplateandor the data it contains is forbidden this function entails full knowledge and under standing of the information contained in th...

Страница 8: ...must fall within such class range and the user must comply with the instructions contained in the manual and with the current laws Furthermore the user must take into account the ignition point of the gases vapors and mists in addition to clouds of combustible powder in the air existing in the area of use MARKINGS AND GENERAL INFORMATION IDENTIFICATION CODE D1 E CODE PUMP Pump casing Diaphragm air...

Страница 9: ...ps for production of vacuum operation as an on off valve as a non return valve or as a metering valve operation with liquid that is chemically incompatible with the materials of construction operation with suspended products whose specific weight is higher than the liquid s for example with water and sand with air pressures temperatures or product characteristics that do not comply with the pump s...

Страница 10: ...the installer thedeclaredcapacityofdrynegativesuctionrefers to the intake of fluids with a viscosity and specific weight equal to 1 the performance and duration of the pump s membrane depend on the following factors the fluid s viscosity and specific weight the length and diameter of the suction pipe NEGATIVE SUCTION with fluids max up to 5 000 cps at 18 C BELOW HEAD SUCTION with fluids up to 50 0...

Страница 11: ...190 ALU 11 4 225 405 385 305 265 8 125 unit Piusi MA MP 130 Piusi MA MP 140 Piusi MA MP 180 Piusi MA MP 190 Intake delivery fittings inches 1 2 1 1 1 1 4 Air fitting inches 3 8 3 8 3 8 1 2 Suction capacity whilst dry 1 diaphragm PTFE mt 5 6 5 5 Air pressure MIN MAX bar 2 7 2 7 2 7 2 7 Fluid max temp press PP C 65 65 65 65 ALU 95 95 95 95 Max capacity 2 water at 18 C with submersed intake manifold ...

Страница 12: ...under this warranty Costs and transportation risks of faulty repaired or replaced parts including custom charges will be borne entirely by the client Repair or replacement of faulty parts cover any obligation under this warranty The warranty DOES NOT cover any indirect damage and in particular any normal consumable material such as diaphragms ball seats and others The warranty does not cover parts...

Страница 13: ... environment comply with these general precautions ascertain that the pump is full and if possible that the level is above it by 0 5 m ascertain that the fluid treated does not contain or cannot contain large solids or solids of a dangerous shape ensure thet the intake or delivery ports are not obstructed nor limited to avoid cavitation or pneumatic motor strain also ascertain that the connection ...

Страница 14: ...ed re spectofthemaximumtemperaturemarkedcannot be guaranteed the pumps must always be grounded irrespective of any organ to which they are connected Lack of grounding or incorrect grounding will cancel the requirementsforsafetyandprotectionagainstthe risk of explosion the use of pumps made with non conductive material which become charged with static and without suitable grounding for flammable li...

Страница 15: ...damp cloth removal of the silencer and the air supply fitting must be done when free from powder Before restarting the pump ensure that no powder has entered the pneumatic distributor ascertain that during service no anomalous noise appears In that case stop the pump immediately DVFHUWDLQ WKDW WKH ÀLG DW WKH GHOLYHU VLGH GRHV QRW WARNING WARNING WARNING WARNING WARNING WARNING WARNING To replace w...

Страница 16: ...om to carry out maintenance 1 2 3 4 5 Position and secure the pump horizontally using hangers fixed to the ceiling or feet resting on the ground The product delivery manifold must al ways be positioned on the upper part according to the signs OUT DELIVERY up IN INTAKE down or according to the pump model checkthatthearrowsshownontothecasing are always poin ting upwards diaphragmpumpswithnegativesuc...

Страница 17: ...p but must be increased as the distance increases Fluid to be pumpedwithnegativesuctionmustneverexceeda viscosity of 5 000 cps at 20 C and a specific weight of 1 4 Kg l These elements can cause derating and reduce the duration of the diaphragm DANGER OF PREMATURE BREAKAGE The pumps must always be grounded irrespective of any organ to which it is connected Lack of grounding or incorrect grounding w...

Страница 18: ...dinordertoavoid pressure drops For negative installations and or viscous fluids use hoses with an OVERSIZE DIAME TER especially on the intake side Do not attach the pump DIRECTLY with rigid metal pipes on plastic pumps and or pipes with tapered thread as they can cause severe stress and or vi brations and breakage of the manifolds and other parts of the pump Always use flexible joints with fitting...

Страница 19: ...d with a diagonally cut fixing to prevent it from adhering to the drum bottom Connection of the product circuit finishes here Provide appropriate support for the piping THE PIPING MUST BE STRONG ENOUGH TO AVOID DEFORMATION DURING THE SUCTION PHASE AND MUST NEVER WEIGH DOWN ON THE PUMP IN ANY WAY OR VICE VERSA WARNING Ascertain that the fluid treated does not contain or cannotcontainlargesolidsorso...

Страница 20: ...actualairpressure installapressure gaugeontheairconnectionofthepumpandcheck the value while the pump is running WARNING WARNING REMARK N PNEUMATIC CONNECTION To connect the pump to the pneumatic circuit you must 1 Remove the adhesive sticker from the air connection 2 Install an on off valve a three way valve and a check valve on the pneumatic cir cuit connection on board the pump according to the ...

Страница 21: ...ed see page 66 after which reset by rotating the manual device by half a turn in an anti clockwise direction Wait for the pump to re start and re screw the reset device 6 If the number of pump cycles needs to be recorded or displayed install the STROKE COUNTER 7 Always protect the pump from possible accidental collisions with moving objects or various blunt materials that may damage it or react on...

Страница 22: ...nd intake hoses are correctly connected check the signs on the pump IN INTAKE down and OUT DELIVERY up 2 Check that the pump s pneumatic circuit valves are correctly installed on off ball valve three way valve and check valve 3 Open the fluid intake and delivery valves it is forbidden to use the pump with fluids that are notcompatiblewiththepump sconstructionmate rialsorinaplacethatcontainsincompa...

Страница 23: ...rtthepumpwiththeproductvalves intake and delivery closed DANGER OF DIAPHRAGM BREAKAGE If the pump has negative suction reduce the speed of the pump using the ball valve on the sir supply ifthepressureisbelow2barswhenthepumpisrun ning thepumpmaySTALL Atapressurehigherthan the MAXIMUM threshold yielding and leakages of the product under pressure may occur and or the pump may break WARNING WARNING CA...

Страница 24: ...tain that the pump has been sized correctly In case of doubt please contact PIUSI neverstopthepumpwhenitisrunningand orwhen the pneumatic circuit is under pressure by closing theintakeand ordeliveryvalvesonthefluidcircuit DANGER OF PUMP STALLING AND PREMATURE WEAR AND OR BREAKAGE OF THE DIAPHRAGM ascertain that no anomalous noises occur during operation If so stop the pump immediately In the case ...

Страница 25: ...very sides B Circulate a suitable non flammable washing fluid then drain it off and close the product shut off valve C Shut off the air supply using the relevant three way valve whilst making sure that no residual pressure subsists D Shut off air supply upstream E Wait for the pump to cool down for at least fifteen minutes F Perform the necessary operations while wearing protection gloves and any ...

Страница 26: ...emove the pump from its place of installation using suitable hoisting equipment 4 Periodically control and clean the internal surfaces with a damp cloth To clean and or replace the balls and ball seats proceed as follows A1 disassemble the intake and delivery manifolds by removing the fixing elements A2 Remove the seats and the balls and clean them with a damp cloth and or replace them with genuin...

Страница 27: ...the pump and to guarantee that all the safety and protection requirements against explosion risks have been taken it is indispensable that the controls cleaningand orreplacementofthediaphragmsarecarriedoutinaccordance with the intervals shown in the table To replace product diaphragms proceed as follows B1 Disassemble the intake and delivery manifolds by removing the fixing elements P2 CLEANING AN...

Страница 28: ... original spare parts of the same type B6 Reassemble the pump following the disassembly sequence described earlier in reverse order Tighten the fixing bolts evenly Replacing the diaphragms finishes here You can now reposition the pump and reconnect it as described in the previous sections ascertainthattheinnerpartofthepumpisfreefrom alltypesofdeposits andiftheyarepresentproceed with their removal ...

Страница 29: ...m the pump 3 Disassemble and remove the pump from its place of installation using suitable hoisting equipment All Piusi MA and Piusi MP pumps have a coaxial pneumatic exchanger to replace it proceed as follows 1 2 3 Should the pump be returned to the manufacturer or to a service center you must empty it out com pletely Iftoxic noxiousorothertypesofdangerous productshavebeenused thepumpmustbesuitab...

Страница 30: ...ginal spare parts having the same characteristics B6 1 For pumps with manual reset on the main casing the air exchanger must be placed so that the reference bevel is turned towards the resetting duct B7 Reassemble the pump according to the previously described sequence but in reverse order and tighten the fixing bolts evenly Replacement of the coaxial pneumatic exchanger finishes here You can now ...

Страница 31: ...lace Disconnect intake and delivery hoses and check if the pump starts Replace exchanger check whether the air discharge is ob structed by ice If so clear it See air supply paragraph Check if any air comes out from the product de livery pipe If so replace diaphragm Reset page 56 Disassemble the mani folds and clean the ball seats or re place both balls and their seats Reduce intake height Check an...

Страница 32: ... de vices and in particular Snap On couplings Replace Replace intake hose Check Check air line Replace Comply with stop pro cedure Check pressure using a pressure gauge installed on the pump when it is running see page 56 if the pressure at that point is too low in rela tion to the network pres sure check all air fittings especially snap on ones Check if all air control devices have sufficient flo...

Страница 33: ... Check pressure using pressure gauge installed on thepump when it is running see page 56 if the pressureat that point is too low in relation to network pressure checkall the air fittings especially snap on ones Check if all aircontrol devices have a sufficient flow rate WARNING in90 of cases stall oc currences are caused by snap onfittings ...

Страница 34: ... to health and or death Storage must be in a closed and protected environ ment at temperatures ranging from 5 to 45 C and a humidity level not above 90 WARNING WARNING T DEMOLITION AND DISPOSAL The Piusi MA and Piusi MP pump does not contain dangerous parts however when they are worn out they must be disposed of in the following manner discharge any residual fluid from the pump In case ofdangerous...

Страница 35: ...70 72 ...

Страница 36: ...71 72 EN ...

Страница 37: ...PIUSI S p A Suzzara MN Italy ...

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