Hot Water Circulating Pump XR Series

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General
Type XR hot water circulating pump, according to API610 and VDAM24297(light/medium duty), it is advanced products developed from type R hot water circulating pumps with high serialization, standardization and generalization. The pumps have advanced performance, stable operation, safe and reliable. It is used in metallurgy, power stations, chemical industry as well as heating system or closed circle system for handling hot water circulating and exchange-heating. The highest temperature of the liquid can not be over 250℃. Working pressure is not allowed more than 5.O MPa.

Performance range
Capacity Q :1.6~2600m3/s
Head : 5~300m
Working Pressure（P）: ≤ 5MPa
Working temperature（T）: hot water ≤250℃

The description of pump type
For example：XR200－400A
XR－New Type hot water circulating pump
200－Inlet Diameter of pump(mm)
400－Impeller nominal diameter(mm)
A－Outer diameter of impeller is changed

Construction
Type XR hot water circulating pump is the kind of single-stage, single-suction overhanging centrifugal pump with horizontal axial suction and radial upward discharge.
The pump casing is radial split which installed horizontally with supported on the center line. Especially suitable for high temperature and high pressure and transport inflammable and explosive liquids.
The shaft seal is mechanical seal or packing seal. The pump used rolling bearings which get lubricated with dilute oil.

The direction of rotation
The rotation of the pump rotor is clockwise looking from the motor to the pump.

Q:I just noticed a slight leak from my water pump. About the size of my fist. I called one mechanic and was told the 2001 BMW Z3's water pump seals are tight and do not leak with the car is running (engine is hot) but once the car cools the water pump seals expand resulting in the small leak, that I shouldn't worry about it unless it leaks more, the engine over-heats, or dash light turns on. The BMW said I should have the water pump replaced but he may have just said that to make a repair sale. Anyone out there know the truth?: Rarely do BMW water pumps leak a lot. Most would not even leak when pressure-tested by a mechanic (for a few minutes). But a leaky pump would leak when the engine runs and specially when it is pressurized and allowed to sit overnight. Usually the seal itself does not cause the leak. It is the wornout bearing which allows the pump's shaft to wobble and thus allow coolant to leak. Overheating due to air getting inside the cooling system is big trouble. But bigger trouble still is a catastrophic failure due to failed/seized water pump bearings. Have it replaced. And the previous statement that your car is about due for hoses and thermostat replacement is correct. There is even a chance that the thermostat is allowing the cooling system to get over-pressurized and thus results in coolant leaks. Replacing the pump is good, replacing the thermostat in addition is better, replacing also the hoses is best. If you can afford it.

Q:This is what it is doing- the actual pump that is in its own little shed CLICKS all of the time water is being ran, even a small amount of water. The water pressure goes to a slow trickle and eventually stops completely. After about 20-30 minutes I go back and check the spickets and the water is fine, but quickly repeats this same cycle. We just installed this pump about 3 weeks ago. It was doing fine until last week. Does it need to be primed or pressure switch settings increased or decreased? Or am I talking totally out of my head?!: Its either faulty, or was installed wrong.

Q:implementation of regulator in water level control system: This might be explained with an example. There is a water tank being used by a community (or a dwelling) and it is supplied by a pump from a well. There is a switch in the tank that is wired to the pump motor. The switch is activated by a lever attached to a float in the tank. When the float is in the down position the pump runs, When the float is pushed up by the water the punp is turned off. The pump first operates and fills the tank and then shuts off when the tank is full. When the usage of water drops the water in the tank to a certain level, the pump turns on until it is full again. The float, the switch and the motor are the pump regulating devices. This type of regulation is called two-position, like a light switch. Other more involved types of regulation may adjust a valve in the pipeline from the pump . This changes the rate of flow while the pump continues to run. The first type of regulation can be called digital because the flow is yes or no. The second can be called analog because while it is on, the flow varies in amount. If I have not adequately answered your question, maybe someone else will.

Q:How much should it cost to have the water pump replaced in a 1994 Dodge Ram truck?: Seems some one has already given you a quote and you just need some explaining as to the cost involved. First the cost of a new water pump compared to a rebuilt is very little, especially if you purchase from a DIY store,i.e.,AutoZone, Advanced, O'Reilly,etc...just pay the extra money for the new one, as it usually has the better warranty. The cooling system is the most important thing to consider if you want the engine to perform correctly and safely. You should also consider the rest of the cooling system....Thermostat, hose, anti-freeze, clamps.etc. These are often overlooked and can cause a new water pump repair to go South immmediately. Most complete cooling system repairs can go as high as 3-4 hundred dollars if you have to replace the fan clutch or the cooling fans for the radiator. So do consider paying a little extra for the overlooked repairs and save yourself a lot of headaches and money in the long run.

Q:Who can tell me such water pump medium flow direction should be what kind of, from left to right, or from right to left, is low into the higher?: In the picture, to the right is the entrance, the left is the exit, the water pump inlet channel section area generally will be bigger than the export.

Q:Whats the difference between a faulty water pump and head gasket? The coolant reservoir has a quot;bubblingeffect when the car is running. I just changed the radiator and filled it. Most of whats in the radiator is water honestly. The car sounds a little rough and sputtery like a head gasket. The spark plugs are dry and I took the cover off and nothing looked watery or moisturous. I also had to change the head and head gasket a month ago. The head gasket didn't have any damage to it so I assumed the head was bad. I used a new head gasket also. Anything else I can check? The car is a 91 corolla.: a water pump will leak out on the ground and a head gasket will leak into the oil or in the combustion chamber and cause white smoke. a bad water pump will make your engine overheat but before it does that then it will leak or the bearing will go out.

Q:So, my husband and I bought a 1993 Chevrolet Corsica a couple of months ago. This weekend we took a trip that ended up being about 400 miles round trip. About 300 miles into our trip, the Check Engine light came on, but there was no noticable problem with the car, no overheating, no clanking or odd smells, the light went off about 2 minutes later. So we got it home, no problems whatsoever. My husband drove it to work this morning, and we were preparing to go to the store tonight in it, and we noticed a massive amount of radiator fluid under the car and the overflow bottle was empty. The leaking appears to be coming from the engine, and the antifreeze is running down one of the upper belts. Could this be a water pump problem? If so, what is the average cost to repair one (I know water pumps are relatively inexpensive, but we'll need to take it in to a shop). Does anyone have any idea? All replies will be greatly appreciated.: we've a Jetta and the water pump went at 30,000 miles. Its meant to final plenty longer till the timing belt desires to get replaced. the reason they use plastic for the impeller is so if it fails it would not injury the timing belt. while the pump fails you may notcontinual the motor vehicle for any distance, the engine overheats, the warning lighting fixtures come on and thats it. in case you endured tocontinual you would be able to desire to doubtlessly grab the engine or a minimum of blow the top gasket and deform the top, those engines are all aluminum and can't stand to be overheated.

Q:how can i put in a water pump for a1994 bonniville sse?: ask the car nicely

Q:I have replaced my water heater and water pump because the owner before me didnt drain it over the winter... but know the water suputers when the pump is on.. when I hook up to city water it works great.. I have not been able to find any leaks.. any ideas???: sounds like not enough pressure try to cypher air through it before using, good luck

Q:Today I see the saying that if your pipe diameter has been selected, then the pipe diameter on the pipe diameter should be smaller. I don't know why: The size is only a matter of convenience or experience, and a small number of tubes are already available. As long as you can pick it up, you can use it.The so-called thick pipe to reduce resistance is a certain relationship. But it shouldn't be your decision to choose the big one. Then why don't you choose the big three? Four or the thicker ones?! @! The resistance will be smaller!!!!- - - - - - - - - - - - - - layman; look at the knowledge of fluid mechanics!!!The question is a conclusion, explain why not one or two words, learn the knowledge of fluid mechanics to know why -- try to answer it, that is to improve the water pump outlet total pressure head, intuitive feeling is to have enough pressure to pump out the water pressure. As for the big three or four, it is necessary to ensure that the flow velocity in the pipe is more uniform, otherwise the flow near the pipe wall will flow or flow too slowly due to viscous action.

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