• Vertical Multistage Centrifugal Pumps ALD and ALD-B Series System 1
Vertical Multistage Centrifugal Pumps ALD and ALD-B Series

Vertical Multistage Centrifugal Pumps ALD and ALD-B Series

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ALD vertical multistage centrifugal pumps are newly developed products to cater for the water supply and discharge in high-rise constructions to the standard of National Fire Bureau GB6245-98.Because of the use of the advanced energy-saving hydraulic model to feature high efficiency and wide performance range; they may better meet the operation requirements of users. Besides, they are structured vertical or segmental to feature safe and stable operation, long service life, small occupation space and easy installation and maintenance.

Working Conditions:
1、 Used to deliver clean water of non-corrosive medium similar to clean water in physical and chemical properties, with the volume of solid insoluble not exceeding 0.1% of unit volume. To deliver medium containing small particles, please specify when placing an order.
2、 Temperature of medium:-15℃~+120℃
3、 Maximum system working pressure not exceeding 2.5MPa.
4、 Ambient temperature shall be lower than 40℃, and relative humidity lower than 95%.

Q:I have a 1999 Volkswagen Passat and the water pump seems to be leaking. The lower radiator hose has been replaced but it still leaks a fairly substantial amount. From what I can tell the pump is still doing its job but I'm losing coolant. Is there a way I can determine if i just need a new gasket or a new pump altogether without ripping the front end off? Any feedback is appreciated.
The pump usually leaks from the center where the shaft comes out to the pulley, it should be replaced. It should be replaced regularly, as the timing belt runs on the water pump pulley, and if the pulley locks it will take out the timing belt and destroy the engine. How many miles on this car? How long since you replaced the timing belt? Probably too long, those should be replaced every 90,000 miles. Things to replace while you are in there: - Timing belt - Timing belt tensioner - Timing belt pulleys - Water pump (with gaskets) - Thermostat There are kits from Autozone and NAPA and such that have most of these parts together.
Q:My friends car is a 1997 jeep wrangler. The belt broke and she took it in to get it replaced and they told her metal from the pully that broke got into the water pumpand they have to replace that to? WTF? it makes a squealing noise and they want to charge her another 300 for that! we just don't understand how that could be if the pump isn't even leaking?
No that's a bunch of b.s. if the pulley was broken you be able to see it- and in order for it to get in the pump- it would have to be leaking somewhere- water pumps put out a lot of pressure... But as long as the jeep never overheated before the belt broke the water pump is fine- my opinion, find a new mechanic...
Q:can't get the pulleys to line up I know I have a mid 70's 400 and the water pump is later than 1969 but I can't find a pulley that works every one is about a half inch off I bought a aftermarket set of underdrive pulley's from march performance and still the same problem the water pump is a half inch off there was no long or short water pump right they are all the same lenght right??? The only difference I know of is that pre 1968 the pumps have a 8 bolt design and after they have a 11 bolt design is that right???
did you happen to loose the aluminum spacer between the water pump output shaft, and the fan pulley?
Q:Could someone tell me the procedure for removing & installing a water pump on 97 buick skylark 3.1L 3100 SFI?
wow.. lol, did ya look that up in a book. very precise..lol, but kinda correct.. being i work for gm and all..lol... simple hand tool will do it.. listen to the guy who copies it from a book.....loll..lol
Q:cars leaking coolant from the right side just dont kno if its the water pump
Water pump will be at the front center of the engine usually about 2 behind the fan belt Please be very careful never to allow the vehicle to run low on coolant or serious and expensive engine damage will occur. If in doubt don't drive it until its fixed Take a flashlight and take a good look over the whole engine compartment giving close attention to all the hoses connecting the engine to the radiator its best to find the exact location of the leak and get it fixed.Coolant leaks usually leave a discolored stain so this may help in finding it. Also take a look at the carpet on both front floorpans of the vehicle its possible that the cars heater may have failed and this will leak coolant all over either 1 or both floor pans which can then leak out on to the ground below via a drain hole.
Q:Hello online mechanics! You guys have saved me a lot of money on my car, so now I have a new question! I have a 97 Ford Contour and lately since it's been cool in NJ, I've been hearing a tapping coming from the timing belt cover, but when the car warms up, there's no sound. I took the car to my mechanic and he says that I need to have the timing belt replaced, the pulleys adjusted, and the water pump changed. The price for doing the timing belt was $400 (including adjusting the pulleys) and $700 for the timing and the water pump. My question is ; do I need to do the water pump? He says that if you do the timing belt, that you should do the water pump too, but should I if there's nothing wrong with it ( as far as I know) and I'm not looking for the added expense? I thought if it ain't broke don't fix it still applies to things, or am I mistaken? Thanks guys gals! In these tough economic times, I'm not looking to spend any more than is necessary!
ask some of your friends if they have a mechanic that they trust . Take the car to them and see if you get the same answer ?
Q:i want to change the water pump on my on a 70 hp (70C) nissan outboard motor and i never pulled a lower unit, not sure what to expect thanks for any help
hi you need to get the workshop manual for your motor. You can go to the library I am sure they will have one. The basics though... make sure you have a lower unit gaskey set, a full water pump rebuild kit and the correct impellor. You need the manual so that you can locate the correct bolts to loosen and the procedure for disconecting the gear shifting mechanism. With the manual its an easy job. without.. its kind of pot luck if you have never done it before. I have changed impellors and water pumps on many different boat motors and i have aways used the manuals. Even now I would still use the manual as a reference to change the impellor and water pump housing in my Johnson even though i have done it before. The manual will probily cost about $25 but it will save you hundreds in the long run as you will be able to trouble shoot other problems.
Q:I'm using an old Mitsubishi Lancer. Recently I changed my water pump it was leaking.To me it looked like a piece of metal, with a small fan thing (not motorized) How can it fail? There is no mechanics to it, just like a pipe with a fan (or turbine)I also messed with my radiator, I unhooked the main hose to clean out the coolant, since the plug was jammed. Could this have contributed to the failing of my water pump?
if the radiator is clogged up, the water pump cant circulate the water.
Q:I installed a new water pump on a Cherokee straight-6 engine, the upper radiator hose is not heating up and the engine is starting to make a funny noise. The thermostat is new and was working fine before. The coolant reservoir is full and no more coolant will drain to radiator / engine. Anyone know why waterpump is not circulating coolant?
Apparently these guys made a 26-minute video detailing a water-pump swap on a Grand Cherokee. They are both 4.0's, so the procedure is the same.
Q:Water is leaking from the front of my car, on the right where the radiator is located. only thing is that its not leaking a lot, just a little.... but people keep telling me that my timing belt is going to go out and that i will be stranded!. i will like to know the cost of both the water pump and timing belts for my 2001 PT Cruiser please.
If your timing belt is old and wearing out, it should be replaced. This is the BEST time to replace the water pump, since the belt has to come off to change the pump. You will be saving a bit of money in the time required to make the repairs. While it is being done, have the mechanic check the bottom of the radiator.

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