Long Shaft Pump LC Series

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General Description

LC series vertical long-shaft pump is a newly developed product with both homeland and overseas advanced experience in design and manufacture. It is used to deliver clear water, sewage with certain solid particles (such as iron scrap, sand, coal powder etc.) and industry waste water and seawater with corrosive. The temperature of liquid can not be above 80℃. It is widely used in original water works, waste water factory, metallurgy and steel industry (especially suitable for delivering oxygenation iron sheet water in swirl pool), power station,mine, civil project and farmland etc.

Performance Range
Capacity: 60-8400m3 /h
Head: 12.5~94.5m

Instruction of pump type
300LC2-50A
300: Outlet diameter is 300mm
LC: Vertical long-shaft pump
2: Impeller numbers (No indication, when only one impeller)
50: Max head is 50m
A: A,B,C separately represents that outer diameter of impeller is changed the first, the second and the third time.

Structure
The type LC vertical long-shaft pump is installed with single foundation, its inlet is vertical downward and outlet is horizontal. The pump and the motor are directly connected. The rotation of pump rotor is counter clockwise looking from the motor to the pump; the main features are as following
1. It is fine designed with hydraulic design software. It makes impeller and other wearing parts have a long life because of anti-abrasive impeller and Diffusor. The pump is not only reliable, safe, steady but also saving energy.
2. There is filter in pump inlet with proper hole, this can not only prevent impurity entering pump to damage pump but also decrease inlet loss and increase pump efficiency.
3. Impeller adopts balance hole to balance axial force. There is replaceable seal ring in front and back cover board of impeller to protect impeller and pump.
4. Pump middle shaft, water column and guard pipe are multi-burl, middle shaft uses technology of sleeve coupling. Water pipe can be more or less for different inundated depth according to user’s requirement. Impeller and Diffuser are multi-stage for different head.
5. Water pipe is connected by flange with guide bearing in its middle. Pump guide bearing adopts ethane or THORDON bearing, it can also adopt rubber (when the temperature of liquid is over 55℃).Shaft is protected by guard column, the guide bearing should be supplied with exterior cooling lubricating water, while delivering sewage.
6. The remaining axial force of pump and the weight of rotor parts are borne by thrust bearing in motor seat or motor with thrust bearing. The thrust bearing is lubricated by dilute oil and cooled with exterior water. The thrust bearing can have element for monitoring temperature.
7. Pump shaft seal adopts packing seal, there is replaceable shaft sleeve in shaft seal and guide bearing to protect shaft and it is convenient to adjust axial location of impeller by nut in bearing parts upper end or pump coupling.
8. Pump can be equipped with controller which can automatically start and stop pump according to liquid level, give an alarm for over loading and control many pumps in long-distance. There is automatic exhaust system for pump with diameter over 500mm.

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Q:I need Water Pump help?
The impeller .
Q:how to fix my water pump to my e34 525i its overheating no leaks?
well before you go through a task like that have u checked for opther options? check it out- First: make sure that your radiator is in good condition, check the belts, the hoses and the coolant level. Make sure that there is no coolant leaks. Check the condition of the shroud for cracks its proper installation. Car fluid or coolant circuit element just changed: Your overheating is probably due to air trapped into the coolant circuit. Use the bleed screw to bleed the circuit. Then bleed again, again, again and again. Nothing had been changed, car is overheating while idling or heavy traffic: 1. Check that the thermostat works and opens. 2. Check the fan clutch. Car overheating while driving. Not stop and go. 1. Bleed the cooling circuit. 2. Check the thermostat. 3. Check the water pump. 4. On the 535i, check the bypass hose located and attached just above the upper hose neck on radiator and runs along the inner walls to the Resivior tank. If it is plugged, the car will overheat. Overheating with A/C on, or very high temperature only. 1. Check that the auxiliary fan is working properly(Bentley manual page 170-4). 2. Check the fan clutch.
Q:Where can I find a water pump for a 1930 Chrysler Roadster?
try JC Whitney
Q:What are the disadvantages of a wind powered water pump?
The disadvantage is that it will not work with no wind. I would ask: 1. expected life 2. maintenance cost 3. capacity (liters/hour) at the mean wind speed on installation site 4. height it can pump the water (so that I can check the possibility of having a reservoir for the no wind period)
Q:hot water recirculating pump question?
Typically, such pumps come as an assembly with flanges to match the existing pipe. Determine your pipe-size and purchase the entire system to that size. Your plumbing supply will be able to help you match all that. And the difference in cost between just the pump cartridge and the entire system is nominal. Get a good one, by the way. Grundfos and Bell Gosset are amongst the best, TACO comes in pretty well also. Unless you have isolation valves on either side of this pump, you will have to drain the system to do it properly. While you are in there, you have the opportunity to install isolation valves and other sorts of refinements for easing future servicing. Hope this helps.
Q:Question on water pump?
I've been around booster pumps that were extremely quiet -without any soundproofing at all.And the pipes don't rattle. You should find a plumber who knows what the hell he's doing and get that crap replaced.
Q:Blown Head Gasket or just a water pump?
It is both. The water pouring from the weephole is a sign the waterpump went out on you. This probably caused the engine to overheat and blow the head gasket (if not crack the head as well.) Any time you have a blown head gasket you need to know what caused it to happen. A head gasket doesn't get blown for no reason, it is caused by overheating. Knowing what caused the overheating, in this case the water pump, is important because if you just fix the head gasket, it will happen again because you didn't fix the overheating problem.
Q:How do the water pump work please till me water pump mechanism?
Water pumps can be positive displacement or impeller type. Either of these increases the pressure of the water and so can move or lift the water. Centrifugal is an impeller type where a sort of fan blows the water. If the fan stops the water can flow back. You'll need to prime these if they get dry. Fishtanks might use this. Positive displacement means that the water is pushed by some sort of piston. Diaphragm pumps are positive displacement and useful if you don't want the water to run back. Also you won't need to prime it because won't drop the water out when it stops. I'm not sure where hydraulic ram type pumps come into this scheme but they rely on the inertia of moving water to generate high pressure pulses to pump water.
Q:water pump for hunting cabin?
I had a jet pump to run my whole house on my farm. It was placed in the basement, but it could be in a back room, too and they are pretty quiet these days. Does it freeze inside the cabin? I assume not. having it inside means if you have trouble even in freezing weather you can work on it in comfort. The end of the pie into your water tank will need a foot valve to keep the pipe filled so you don't have to prime the pump ( not a handy thing to have to do all the time). Other than that, the system is operated with electricity and a pressure switch which is settable. It will not run all the time this way. Not sure anymore but, for example the switch might be set to come on at 50PSI and shut off at 125PSI. You can tell by the switch or get a recommendation from the store where you buy it. (see pictures in link) Menard's sells these and department workers are trained to answer all your questions about installation, parts, and what you need,etc.
Q:If water pump was leaking would I smell a syrup smell?
Okay, I take it you've added orange anti-freeze to your cooling system. If the system originally had green in it- you just did something really expensive. The two kinds of anti-freeze don't get along. Mixing the two together then getting them hot makes them into a gel. SO, what you get to do now is a complete system flush(by taking the whole system apart-heater core, radiator, hoses, heater valve, the works) use some sort of flush product, and get a large tub. Then, after you've gotten an amount of it out, reassemble the whole thing, and with the engine cool-put some more flush agent in it. Then, take a garden hose- and fill the system. once it's full open the petcock and continue to use the garden hose to flush the system until the water comes out clear. Now, close up the system and run the car for a bit and check the bottom of the water pump to see if the weep hole is leaking. There is on just below the pump shaft. If that's leaking, the pump is shot. If that's not, then there could be a cracked head, or a bad head gasket. A few things to check for that are- if when the car is running, are there air bubbles coming out of the radiator(with the cap open)? Does it seem to overheat easily? Have you run the engine hot?

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