NFPA20 Standard Fire Fighting Centrifugal Pump

NFPA20 Standard Fire Fighting Centrifugal Pump System 1

NFPA20 Standard Fire Fighting Centrifugal Pump

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 100 unit/month

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Packaging & Delivery

Packaging Details:	Standard plywood case or carton for each fire fighting pump.
Delivery Detail:	15 working days from receiving payment

Advantages

1.Directly coupled, vibration proof and low noise.

2.Same diameter of inlet and outlet .

3.NSK bearing ,which is the most famous brand in China.

4.Circulating flow cooling ensure mechnical seal long life .

5.Small foundation required that will saving construction investment by 40-60%.

6.Excellent seal that is no leakage

Working Conditions

Rotating speed: 3600r/min, 1800r/min, 2960r/min, 1480r/min

Medium: clean water or other liquids similar to clean water in physical and chemical properties

Medium temperature: -10 ~ 80°C,400°C available under special design

Ambient temperature: Up to 40°C

Range of capacity:1.8~2000m3/h

Range of head: up to230m

Maximum working pressure: suction pressure+head of pump≤25 bar

Pump Construction

Casing/impeller:cast iron,stainless steel,copper,bronze

Shaft:carbon steel 45#,stainless steel

Mechnical seal:graphite/silicon carbide/tungsten carbide

Q: I drive a 99vw jetta and the coolant was leaking from it i took it to a repair shop they said the water pump was bad and that the seals on the water pump where bad that was defiantly where the coolant was leaking from. I replaced the water pump and drove my car this weekend no troubles, then this afternoon my coolant light came on and i put coolant in my car and it just started trickling out i called the repair shop they said it may just be a loose hose or clamp, is this true or am i looking at something worse than the water pump that has to be replaced?? or would that issue have already came up when they where looking for where the leak was coming from before it was repaired? please help: The pump may have indeed been bad. Did the shop put on the new pump or did you do it yourself? If it was done by the shop, take it back and make them fix it correctly. You have already paid them for the work. If you did it yourself, it should be fairly easy to spot where the leak is coming from. It is also rare but possible that the pump you put on was bad out of the box from the parts store. Not likely...but slim possibility. Hopefully it is just a loose clamp or hose.

Q: What are the categories of pumps?: Did you say the pump voltage is 220 or 380?

Q: I have a 2000 Ford Focus with 82k miles on it. The car is leaking coolant intermittently. The radiator was replaced about 3 yrs ago. The car doesn't overheat but when I turn it off I can hear a boiling sound and it smells like something is burning. It's not a strong smell but it's there. The car also idles rough and downright shakes at times. Also, and I know this sounds crazy, when I'm driving it I hear a sort of whooshing noise that sounds like water. Could this be the water pump or something more serious? I'm taking it to the mechanic tomorrow but would like an idea as to what could be wrong.: 2000 Ford Focus Water Pump

Q: How can I test to be sure my water pump is working before I go to the lake and burn up my motor. `72 65hp johnson. thank you.: You have essentially two correct answers, but looking at the year of your engine I would like to add some clarity. If memory serves, the 1972 engine doesn't have what we today think of as a tell-tale. Meaning that nice little stream of water that comes out of a tube on the starboard side of the engine. Using my poor memory I believe there is and exhaust port, usually one or two outlets together, centered in the rear of the engine, just below the fiberglass engine cover, maybe a little lower. And again, if memory serves, water doesn't flow in a stream from there, but kinda comes bubbling/spraying out. This will be the place to check for exhaust water, and whether or not the impeller is working. Also, like the idea of using the earmuffs, just in case there is thru-hub exhaust you can see it also. If the hub is in the water you can see it exhaust water.

Q: My 93 Ford t-bird over heats and i really don't know what could be the problem, the radiator is working fine, and also the fan and the thermostat, i don't think is a head gasket because the oil looks alright with no contamination and there is no steam coming from the exhaust im beginning to suspect the water pump but the weep hole is not leaking. So does a water pump MUST leak from the weep hole if it is bad, or it could be bad and not leak? thanks in advance...: the water pump might be bad, it won't let the coolant to circulate. or you might have an air pocket in the coolant, that is the great possibility, you need to bled out that air. check the auto manual first before you start that service, all cars are different setup. and to check the water pump if it works, let it run and hold the upper coolant hose for few minutes and let someone to help you to watch the gage if its going to the hot zone, the hose you just holding should get hot even if there is air pocket. then you will know the pump is working. check the botom hose also,to check if the coolant circulate . If it wont get hot the botm hose , you might have a restriction in the engine block. checked also the fan clutch if you have one. Jesus is good . only God is good.

Q: My dad wants to buy a salt water pump for a tiny pool.I'm not sure if it's pointless for the size that the pool is, but it is 12x12x3Is it too small of a pool or are there salt water pumps meant for tiny pools that I could look at?A link to any would be nice. :)Thanks!: salt okorder /

Q: How hard is putting in a water pump for my 5-series on a 1-10 scale ?and how do i put it in ? details please !? i dont have a chitlon for it . ive worked a lot on this car and i do know some things about it, but not very car savy. Thank you !!: wow, first of all the car is pretty old, becareful. u may need new clips for hoses and gaskets. from 1-10 ill say 7.

Q: Would I notice a difference in driving if I changed my timing belt and water pump?: If your car is overheating then you might need to change your water pump. If the pump is making a bunch of noise, the bearings might be worn out in it too. The timing belt just keeps your overhead cam in time with the crankshaft - you should replace it at the intervals recommended by the manufacturer - especially if your engine is considered an 'interference' engine - meaning that if it jumps time the valves will hit the pistons. You won't notice any difference in performance with either component though. For performance, check your plugs, plug wires, air filter, run some fuel injector cleaner through your gas, and replace the fuel filter. Other performance related issues include - fuel pump failing or reduced compression (due to piston rings being worn out).

Q: i was wondering how hard it would be to chancge a water pump in a 1997 chrysler sebring.: not real hard to change any cars water pump buy a new one have a look at what it looks like... look at motor see where it ..is remove whatever that is in way of it after getting it off ..you clean the old gasket off ...apply some blue Silicone put on new one and replace what you had to remove refill radiator check for leaks.. and might want to replace thermostat also if its been running hot while you there....should be able to do it in a few hours double check your job for leaks afterwards

Q: If you use a water pump to move water through a circular trench, essentially making a little river, and then place some kind of turbine or water wheel or something to generate electricity from the moving water, couldn't you use the electricity generated by the turbine to power the pump, thus requiring no outside power?: Perpetual Water Pump

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