• Cast Iron Submersible Pump for Clean Water System 1
Cast Iron Submersible Pump for Clean Water

Cast Iron Submersible Pump for Clean Water

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Q:When using a frequency converter to adjust the pump, what is the relationship between the change of the speed and the efficiency of the pump?
The wind pumps such load is usually called square torque load, which is in a certain range of speed and torque is roughly proportional to the square of the speed of N, TL=kn^2, power and speed is proportional to the cube, the energy-saving effect is obvious.
Q:my water pump went bad on my 1997 chevy cavalier, causing it to leak all the coolant it had in the system. i put water in it til i could get new water pump. changed out water pump. attempted getting air out of system. put more concentrated coolant in system than i did water. bad guessing on my part. ran car around block 5 times. it was fine. this morning on the way to work, it started overheating again. my thoughts : more air in system that's not coming out? thermostat REALLY went bad at same time as water pump???? overheating all because of a little too much coolant??? for some crazy reason, my system needs to be suddenly flushed? Your thoughts? one last thing, the car has always ran perfectly normal temp til water pump went bad.
When was the last time the system been drained flushed and *cleaned? A 14 year old radiator and heater core will be loaded with corrosion and rust. Prestone Super Radiator Cleaner can be used on mildly dirty cooling systems. *Follow the instructions on the back side of the Prestone Super Radiator Cleaner. The instructions are totally different than the quick, worthless rinse cleaners. GM makes a one part powered acid cleaner that works better on really dirty cooling systems. When in doubt change the AC-Delco thermostat with another one from a Chevrolet dealer. Flushing is easy when you splice-in a Prestone or Peak flushing T in the heater hose *return hose from the heater-core. Any trusted private mechanic or Chevrolet dealer can do a *cooling system pressure test to see if you have any external or internal coolant leaks. Never exceed a 50/50 mixture of DexCool antifreeze and distilled water. If someone has been mixing brand X antifreeze with the factory installed DexCool in your cooling system the coolant will turn to mud and plug-up the cooling tubes in the radiator core and mat the cooling passages in the engine. The secret of perfect heat-transfer in a cooling system is clean cooling passages, a new AC-Delco thermostat and radiator pressure cap. Remove and clean the plastic coolant recovery bottle with Wisk, hot water and a round household scrub brush. If you exceed a 50/50 water and DexCool mixture, it will not adsorb heat from the engine as efficiently or get rid of the heat in the radiator as well as a perfect 50/50 mixture. Always buy 100% DexCool Antifreeze and fill 1/2 the total capacity of an empty clean cooling system first with 100% DexCool then fill the remaining space with distilled water.
Q:I just opened up the water pump on my '86 cr250 and found it to be pretty dry. Found out why as soon as I threw some light on it. Yep, all but a TINY hole in both hose nipples (?) are completely gunked up in some nice light green/white crap.Does anybody know what this is? Okay obviously it's coolant, but why is it so dry? What causes it? My bike never quot;overheatedquot;, but there's very little travel room for the liquid. What should I do now? Clean it out and run new water through it?
Appears your cooling system has not been flushed for years thus the build-up of slime, (seems maybe even 'dry-slime'). The cooling system should be flushed clean, a new water pump and gaskets installed.
Q:Iv got a 2002 Chrysler Sebring with a 2.7 in it and recently it started leaking coolant, its been determined that i need a new water pump. Iv gotten quotes from various places and various prices but there all telling me i need to replace different things. One guy said i need a timing kit, the other guy said i dont need a timing kit but need valave covers and a couple other things, another said i dont need anything but the pump itself. Im lost and the leaks getting worse and i need to make a decision but dont know what to do. Some insight from you helpful people would be great!
typically labor is 300-400 for that task. that scenario would dictate when one is done, both should be done. needed or not. getting them on the same maintenance schedule so to speak. thing is, is that the 2.7 uses timing a chain. not a belt. belts require changes. chains may or may not. in this case, there is no maintenance interval for the timing chain.
Q:I have to replace the hot water recirculating pump in my house. It is made in Hungary and the Manufacturer's letters look almost Russian. The only words in English are the spec's (amp draw, voltage, etc.) This house was built in 1998 and the plumber's no longer in business. It looks like it just threads onto a quot;capbut I don't want to start using pipe wrenches and just mangle it (it's very difficult to get to also). Any help would be appreciated. Thanks, Mike
particular you are able to. in certainty there's a recirculating equipment called a Polaris water heater which could furnish warm water for all your place carry desires and warmth your place too. the cost of operationg a Polaris equipment is extra cost-effective than an on call for warm water heater.
Q:Recently my car overheated on my way to work, and so I decided to give it some much needed TLC.I have replaced all in the last week:Spark PlugsDistributor Cap + RotorTiming BeltRelated to the cooling system:Water PumpThermostatAnd the heater still blows hot air so I believe the heater core is fine. Unfortunately even after a couple of radiator flushes the car continues to overheat. I'm considering replacing the radiator because I think it might have too much debris inside to flow properly.I used ZEREX Radiator Super Cleaner but was only able to acheive an hour and a half of driving before my car would not be able to drive anymore. (Supposed to be 3 hours, car temperature began to escalate far beyond what I'm confortable with) I also used ZEREX Radiator Super Flush to no avail.Any suggestions?Car info:Toyota Camry DX 19913S-FE Engine 2.0L I4 1998cc244,500 miles
Check the electric cooling fan to make sure it works correctly. Also check your drive-belt for the water pump and alternator it may not be tensioned correctly or may be stretched.
Q:Why should the pump fill the air before running? What's the reason why the water doesn't go up?
Because the pump is rotated to the water from the center of the impeller thrown out, while the water inlet has been filled recently. If there is air, water can not be pumped out
Q:where t is in minutes since the pump is started. If the holding tank contains 1000 liters of water when the pump is started, how much water does it hold one hour later?
Water is pumped out of a holding tank at a rate of 4-4e^(-.14t) liters/minute. Lets call that function w(t). So if we integrate w(t) over a time period that will give us the total water removed over that time period. So lets integrate it from t=0 (time when pump started) to t=60 (one hour later): ∫ w(t) from t=0 to t=60 ∫ w(t)=∫ 4-4e^(-.14t)=4t+(4/.14)e^(-.14t) evaluated from 0 to 60 ∫ w(t)=4(60)+(4/.14)e^(-.14*60)-4(0)-(4/.1... ∫ w(t)=211.435 liters removed If the holding tank began at 1000 liters and 211.435 were removed... Remaining water=1000-211.435 ***Remaining water=788.565 liters***
Q:My water pump is losing pressure slowly even though no water is being used. Your help is appreciated. Thank you.
There is a leak somewhere. You may not notice it because it is outside or under ground. Or it could be your check valve that is leaking. It is located on the supply line inside the well. The only way to test it for sure is to pull the line.
Q:i want to make this for a physics project for school. i found a video on how to make it, but i dont understand the physics behind. i have to make a model and a poster explaining the physics. i dont understand what to put on the poster so could someone help me with which physics principles this project would go with?
It isn't practical to give a detailed description here. This is a positive displacement pump. The pump chamber is sealed so that as the piston is moved up the volume within the chamber increases. Water is pushed into this chamber by the outside air pressure. If the pump is located too far above the water source then the air pressure is not sufficient and you will produce a vacuum inside but the water still will not flow. When the pump is pushed down the water flows out. Now the one way valves are critical. We don't want the water to flow back the way it came and we don't want the water that we have already pumped to flow back into the pump. So a one way valve on the inlet will permit water to flow into the pump but not out of it. And a one way valve on the outlet will permit water to flow OUT of the pump but not into it. So with each stroke you a) reduce the pressure in the pump. b) water is forced from the inlet, past its one way valve and then into the pump. c) the pump is pushed down increasing the pressure in the pump. d) water flows out of the pump through the other one way valve and on to the output.

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