• XBD Fire-fighting Pump System 1
XBD Fire-fighting Pump

XBD Fire-fighting Pump

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1. Summary

XBD series single-stage single-suction vertical(horizontai)fixed-type fire-fighting pump unit (pump) is a brand-new p-
roduct designed and produced by this Co.upon the demand of industrial and mineral enterprises, engineering const ruction and high buildings for fire-fighting and strictly according to the international standard ISO2858 and the latest national standard GB6245, fire-fighting pumps .

2. Operating Condition

Range of performance:
Rated flow:Qn=5L/s ~ 200L/s  (18m³/h ~ 720 m³ /h)
Rated pressure:Pn=0.3MPa ~ 1.5MPa (30m ~ 150m)
Rotary speed:n=1450r/min;2900r/min;
Inlet pressure:Po ≤ 0.3MPa
Max. Working pressure:Po  ≤ 1.6MPa
Inlet and outlet apertures:50 ~ 350mm

3. Application

Suitable to transport the liquid below 80 ℃, containing no solid grains or both physical and chemical natures of which are similar to those of pure water and the slightly corrosive liquid.

The performance parameters of this series pump can also be compatible with the requirements of the working         condition s for the living (production) water supply in the meantime meeting with the fire-fighting working conditions and it can be used individually for the fire-fighting water supply system, also for the mutual water supply system of fire-fighting and living (production), as well as the water supply and drainage system of buildings, municipal works, factories and mines and a boiler w ater supply.

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.
Before you go to replace anything, you must find and repair the source of the leak. See radiator pressure test video below:
Q:I had high-pitch noise coming from my engine; it was coming from the belt area. I change the belts but the noise is still happening. After doing some research, I noticed that the noise is coming from the Water pump bearings. I installed this water pump Last year and the warranty is expired on it. A friend told me that if a bearing goes bad on a Water pump, then I should flush the cooling system because it leaves metal shavings into the engine. Is this true? I already flushed my cooling system at the mechanic (he has a special machine) about 2 weeks ago. Is it necessary to do another flush because of bad Water Pump bearings?
in the first place find out why the pump went out so fast, it might be the belt is too tight or you got hold of a cheap pump.
Q:I was was wondering how to calculate the head flow rate from a water pump. The water pump outputs 2 bar, which means that it will push water up to 20m in height. It also has a throughput of 2000 litres per hour.I want to pump water up to my loft, which is approx 15m above the pump.What will the flow rate be at this height? Is it a linear calculation of percentage of drop from maximum head height multiplied by the flow rate, (eg 5/20 * 2000 = 500 litres per hour?), or is it more complicated than that?
If your pump has more capacity than you need, you can always restrict the discharge and create extra artificial head.
Q:7.63Determine the isentropic efficency of a water pump when water enters as a saturated liquid at 96.5 kPa and exits at 5 MPa and 106 degrees C.Thanks
the only way a water pump can damage anything is if it locks up or quits working and the engine overheats and stops running. If your car has overheated enough and blew all the water out of the endgine and the head gasket went bad there may be water in your oil it would look milky like it had a milkshake in the oil. If your oil is ok and the coolant is not blowing out the tailpipe in big white clouds obscuring the cars behind you the engine may be ok as long as it has not blown steam for the last 20 minutes out the radiato Coolant may leak from the bottom of the water pump too if the water pump is bad. If the engine starts up and runds good in the morning and does not blow a bunch of steam at you it may be ok for awhile yet.r.
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.
properly in case you place the water pump in 3 weeks in the past and you probably did no longer have a leak until final nighttime i would not suspect the pump.i'd take it to a radiator save and characteristic them tension try your gadget to be sure in case you have a leak and probably inform you the place that's.I in basic terms have been given completed the pinnacle gasket situation on our ninety 3 ranger with the 4.0 engine and the two heads have been leaking anti-freeze.good success to you.
Q:Yesterday morning I was looking under my hood and I noticed that I was leaking water. It looked like the leak was coming from the water pump.I had to get to work, which is close by so I topped off the radiator and went to work. When I got to work I looked under the car and saw no leaking. I figured the radiator had ran dry although the car hadn't overheated, After work I started to fill the radiator to get home. I saw that I had leaked a little fluid but not much. I topped it off and picked up my son then went home. No overheating. No leaking. Today I've ran several errands and I've had no problems. What do you think was going on with my water pump yesterday?
If you're seeing the drip from just behind the pulley, the pump seal is probably leaking...while it may not be much now, it will only get worse, so take it to a shop for verification of the leak and replacing the water pump...
Q:was putting a water pump on, and i tight too much on 2 bolts, and they broke. is it anyway to fix it ?? is it going to cost alot in labor ??
Well if the bolts are sticking out of the engine enough you can try screw extractors you can buy a set at your local store hammer that on then use a wrench or socket Extension to remove it. When you install the new bolts use a little anti-seeze and use a torque wrench.
Q:i replace all the seals on the water pump reinstalled it and the same thing happened... it leaks out the bottom some where and run down the water pump and down the hot side radiator hose... any ideas?
With the labor, time, and seals you wasted trying to rebuild your old pump you could have put a factory rebuilt unit on. Sometimes you just gotta break down and spend the extra cash to do it right.
Q:55KW motor driven lift 70M, the displacement of 180 cubic meters per hour of water pump, the configuration should be no problem, but after the start of the current to 170A (rated 100A), off a small valve to the current export half to reach the rated current. Why current will close a small valve instead of small? Will close a small valve will not affect traffic flow can be? To the 180 party?
If the power line is too long or too small, power line is too long or too small will cause excessive current. Valve shut down certainly affect the flow. When the valve is in the semi open state, the water pump out of the water flow down, the power to reduce, so the current drops.
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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