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Q: It is known that it takes an hour to pump water, and also to know the head. How does the pump power need to be calculated? What's the formula?: Power P (kw) =9.81*Q (second cubic meter) *H (head, unit m) / efficiency;The efficiency can be found on the pump nameplate or sample.This is the rated power, if the head down, the flow increases, the power will increase, so the actual motor power is often much larger than this calculation.Generally buy pumps are equipped with motors, manufacturers can refer to the same model or similar models of motor power.

Q: ok so im wondering if there is a water pump out there i can buy that automatically turns on when i turn the tap on. i looking for something thats strong enough to pump enough water to more than one taps at a time i.e kitchen tap, bathroom etc.: There are plenty of water pumps in the market , and the pump switch is connected to the water flow to operate the pump when the water flow and switch off when there is no flow

Q: does anyone know how a water pump works????????????: There are a number of different types that work according to different principles. Try an internet search on water pump.

Q: I received a call from my daughter who said that the water pump was making a grinding noise. She sent a photo to me showing 0 psi on the gauge. I came home to find it actually working again but after running water straight from the pump I found that it is really rusty. What is this caused from? Our water was nice and clear! We've had freezing conditions here. Still doesn't explain the sudden rust.: If you have galvanized pipes there is always a trace amount of metal (rust) in your water but if you use the water every day it isn't noticeable, as it comes through in such small quantities. It could be that one or more of your pipes froze and cracked, releasing some larger chunks of rust from the walls of the pipes or pressure tank. Run the water steady for a while and see if it clear up. It would be wise to check all of your exposed pipes/tanks for leaks now too because if a pipe or tank cracks it will either be leaking now or shortly in the future. The rust/ice could have also been temporarily blocking the pipes, causing the 0 pressure. If the pump is running with no water, it will run faster and much louder.

Q: Theirs a house on a hill and a pond at the bottom of the hill what kind of pump can pull water 50ft up a hill?: you could not, if that fifty feet is the vertical height. the optimal height a pump can suck water up is approximately 32 feet. that's constrained via the atmospheric tension and might't get replaced. One option is a pump on the backside interior the pond, pushing the water upwards. yet another is a jet pump, that may take a seat on the appropriate of the hill. It sends a jet of intense tension water all the way down to the pond, and that jet there pushes the water upwards. This must be primed, although. IF the 50 feet is in basic terms the slope distance up the hill, calculate or degree the vertical height, that's all that counts. .

Q: i wanna use a water pump to pump air...but im afraid that it might burn or sth....: No. A centrifugal type water pump wouldn't move much air, and a constant displacement type would be designed to be lubricated by water.

Q: I have a deep tropical fish tank, my three in one pump is 15 watts, if I put it in the middle of the active oxygen bubbling tank can function, everything is normal, but not very good filtering, can not clean up the garbage at the bottom of the tank. So they put the pump a little deeper, but at this time the pump does not bubble, the oxygen supply in the pipe there is water, atmospheric pressure can not enter, but still can pump water filter, so that the pump itself harmful? Will the pump burn out? This question is very important to me. Please help my brothers and sisters downstairs. I will thank you for my dear tropical fish: The easiest way is to pump a bottle of mineral water under the pump. It's too long to cut off some of it.Bottle to the end, the pump can beat oxygen on the line. A hole is under the bottle.

Q: 1.5 kW three-phase pump with 600 meters line, should match what big line?: Do you want to see the line loss how much pressure drop, if you want to ensure the working voltage of certain you pump, 600m pressure drop should be two-way, namely power press 1200m, press 380V, 1.5KW working current is calculated according to 3A R=, according to the resistivity * length / cross-sectional area of =0.0175*1200/S=21/S, and the loss of pressure drop =R*I=21*3/S=63/S, S take 3, loss of pressure drop is about 20V, the comprehensive economic cost, take 3 more appropriate, if you are willing to take 5, 6 are never mind, the thicker the loss is smaller.

Q: Water pump maintenance what should be maintained?: 1 by sound to determine whether the bearing is good. If the sound is abnormal, replace the bearing.2, check whether the impeller is worn, if worn, will affect the flow, lift, efficiency, need to be replaced.3, check whether the mechanical seal can continue to use, can not be used, need to be replaced4, check the oil tank is missing oil, such as lack of oil to the appropriate location.

Q: 2000 Jetta GLX VR6Problems:- AC is no longer working- The Reader said quot;STOP!quot;CHECK COOLANTI pulled over and checked the Coolant and it was full- The Car will overheat to about 260 whenever I am sitting with the Engine Running- When I start the car its on Zero Degrees and then Slowly makes it way to 190 degrees which is in the middle quot;Normalquot;- Oil Seems to be fine---- What does this sound like to you??--- Also, The VW Dealer said I needed to be without my Car for Two days so I will drop it off Friday Night and leave it until Wednesday. Do you think it will last until Friday driving 60miles a day??-- If it is the Water Pump... How much do you *think* I am looking at paying? I am taking it to the VW Dealer b/c I have a Recall they need to fix too.: Your okorder /... Aside from the thermostat, it could be the coolant temperature sensor. I don't know how mechanically inclined you are, but a quick check to see if it is the thermostat... Let the car get to operating temperature, pop the hood and squeeze the upper and lower radiator hoses. if the top one is hot and the lower is not; its your thermostat. As far as your AC goes, did it suddenly start blowing hot air? Do you hear squealing when you turn it on?

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