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Smart Reasoning:

C&E

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Qaagi - Book of Why

Causes

Effects

the suction filterscan causepump damage through cavitation

the fuel ... less then 1/2 tank of fuelwill causepump cavitation problems

The air in the fluidmay causepump cavitation noise

the inlet pressure low enoughto causecavitation in one pump

the system pumpcausescavitation inside the pump

to much vacuumcan causeoil pump cavitation

any air ... the linescan causecavitation in the pump head

the pump pickupcan causepump cavitation and air

Aerated fluidwill causeoil pump cavitation

the hot fuel and the restriction caused by the pickup filter ... enoughto causecavitation within the pump

The resulting restrictioncausescavitation within the pump

negative pressuremay leadto blood pump cavitation

water deprivation in the pump which causes the impeller to spin faster in an aim to get more water(passive) get caused byPump cavitation noises

the pump cavitycould causethe sudden pump cavitation

by the problem(passive) caused byPump cavitation ... : Pump cavitation causes

Any possibilities of internal circulation inside the pump cavitycould causethe sudden pump cavitation

by low hydraulic pressure and insufficient flow(passive) caused bypump cavitation

a loss of flow on the suction side of the pumpcausingpump cavitation

excessive vibration ... fluid velocity and pressuremay causecavitation in the pump

only low hydraulic fluid levelcan causepump cavitation

vortexingwill causedamaging pump cavitation

fluid aeration , ... , increased heat , and reduced line pressurecan leadto pump cavitation

high elevation difference between pump and the fluid surface(passive) is caused bypump cavitation

by high elevation difference between pump and the fluid surface(passive) is caused bypump cavitation

vaporization of the liquid in pump suction(passive) is caused byPump cavitation

turbulence on the suction side of the pumpcould leadto cavitation in the pump

Magnetic pump due to cavitation problemscausedpump cavitation

by air entering the pump(passive) is caused bypump cavitation

maintaining a low NPSH ( net positive suction head ) or by choking the flow in the suction line due to blockage or undersized suction piping(passive) can be caused byPump cavitation

mass imbalance excessive vibration ... fluid velocity and pressuremay causecavitation in the pump

the presence of air or gas in the pumped liquid or suspensionleadsto pump cavitation

A loss of charge can cause the inlet side of the pump to drop below atmospheric pressurecan causepump cavitation

liquid fuel ... vapor bubbles presentwill causecavitation in the pump

that centrifugal action of the water is not causing entrainment of aircould causepump cavitation

Do not restrict the inlet side of the pumpwill causecavitation of the pump

Pump inlet filters will restrict flow to the pump inlet , especially when the filter element is blocked or restrictedcausingpump cavitation

inlet filters will restrict flow to the pump inlet , especially when the filter element is blocked or restrictedcausingpump cavitation

in the sumpcan causecavitation of pumps

Insufficient water ... both of whichwill contributeto pump cavitation

the use of elbows in the suction linecan causecavitation in the pump

handlines to go limp for several secondswill causehandlines to go limp for several seconds

to bubbles in the fluid ... and cause premature pump failureleadsto bubbles in the fluid ... and cause premature pump failure

the bubbles(passive) Could ... be caused bythe bubbles

this symptomcan causethis symptom

to pump failurecould leadto pump failure

a great deal of noise damage to components vibrations and a loss of efficiency cavitationcausesa great deal of noise damage to components vibrations and a loss of efficiency cavitation

Failure of pump housing ; Destruction of impellercan causeFailure of pump housing ; Destruction of impeller

in premature pump failureresultsin premature pump failure

to pump failurecould leadto pump failure

premature pump wearcausespremature pump wear

mechanical seal failurecan causemechanical seal failure

the loss in pressurecausedthe loss in pressure

noise problems(passive) caused bynoise problems

to premature failure of the pumpleadingto premature failure of the pump

to failure of the impellerleadingto failure of the impeller

erosion problems(passive) caused byerosion problems

damage(passive) being caused bydamage

all the damage(passive) caused byall the damage

the standardsetsthe standard

loss of efficiencycausingloss of efficiency

loss of efficiency and ultimately premature failurecausingloss of efficiency and ultimately premature failure

alsocan ... resultalso

damage to the hydraulic systemcan causedamage to the hydraulic system

the diesel to form gas bubblescausingthe diesel to form gas bubbles

serious vibrationcan causeserious vibration

severe damage to the impellercan causesevere damage to the impeller

The micro bubbles(passive) could be caused byThe micro bubbles

the problems(passive) caused bythe problems

the problems(passive) caused bythe problems

bubbleswould causebubbles

to the pumps breaking downledto the pumps breaking down

any air bubbles(passive) caused byany air bubbles

air bubbles(passive) caused byair bubbles

the system(passive) caused bythe system

prematurecausespremature

in prematureresultsin premature

to premature failureleadingto premature failure

to premature failurecan leadto premature failure

the chemicalcould causethe chemical

noise and vibrationcausesnoise and vibration

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Smart Reasoning:

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