Vertical multistage fire pump

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Vertical Multistage Fire Pump

1.Introduction:

CDL/CDLF high pressure water pump is special in high pressure, made of stainless steel 304 or 316, all parts touch with liquid are of stainless steel. The pump is vertical non-self priming multistage centrifugal pump, which drived by a standard electric motor.The motor output shaft directly connects with the pump shaft through a coupling. The pressure resistant cylingder and flow passagecomponets are fixed between pump head and inlet and outlet section with tie-bar bolts. The inlet and outlet are located at the pump bottom at the same plane. This kind of pump can be equipped with an intelligent protector to effectively prevent it from dry-running, out-of-phase and overload.

2.Applications:

· Urban water supply and pressure boosting

· Industrial circulating system and processing system

· Water supply for boiler, condensing system, high-rise building or fire fighting system.

· Water treatment and RO system

· Cooling water system

3.Electric motor:

· TEFC motor,

· 50HZ or 60HZ 220V or 380V

· Protection class: IP55, Insulation class: F

4. Operation conditions:

Thin, clean, non-flammable and non-explosive liquid containing no solid granules and fibers

medium temperature: -15°c~+120°c

Capacity range: 1~180 m³^_/h

Head range: 6~305 m

50HZ Pump Performance Scope

Model	CDLF2	CDLF4	CDLF8	CDLF12	CDLF16	CDLF20	CDLF32	CDLF42	CDLF65	CDLF120	CDLF150
Rated flow[m3/h]	2	4	8	12	16	20	32	42	65	120	150
Flow range[m3/h]	1-3.5	1.5-8	5-12	7-16	8-22	10-28	16-40	25-55	30-80	60-150	80-180
Max.Pressure[bar]	23	22	21	22	22	23	26	30	22	16	16
Motor power[Kw]	0.37-3	0.37-4	0.75-7.5	1.5-11	2.2-15	1.1-18.5	1.5-30	3-45	4-45	11-75	11-75
Head range[m]	8-231	6-209	13-201	14-217	16-222	6-234	4-255	11-305	8-215	15-162.5	8.5-157
Temperature range[°C]	-15 -+120
Max.Efficiency[%]	46	59	64	63	66	69	76	78	80	74	73

Q: I have a 1999 Mercury Grand Marquis vehicle. How do you know when the water pump is going. Is their any particular noise I should be hearing.: There is no noise associated with a water pump going out that I am aware of other than the engine exploding due to excessive heat. The dash guages; especially the engine temp guage, will give you a clue as to a cooling problem, whcih is what the water pump is for. The water pump prevents the engine block from overheating. When the pump fails, the engine overheats and will either shut down, or the engine will burn out. The best way to tell is to monitor the temp guage. If the engine is running hot, it either the water pump, lack of water in the cooling system, or Thermostat failure. Best to have a mechanic check it out. Cheers!

Q: I have a big garden ,I have plant all kinds of flowers,including roses,Chrysanthemum，but everyday i have to water them one after one pot,a little waste time and waste my energy.who can help me ?tks: you okorder /

Q: I have a 94 Mazda b2300 it was working great last week then all the sudden it started making a knocking sound and started to overheat! Its still drivable but it overheats if i go far! A friend told me it can be the Water Pump so i put a new one, I was told it can be the Thermostat so i had a new one put in. It worked for awhile but began overheating again. My truck is my livelihood so its important i get it fixed! I cant afford a mechanic but just asking to see if anyone knows what it could possibly be? It catches good and the engine sounds strong but it keeps overheating!: Tell your friend thanks bot no thanks for any more automotive advise. If you had checked your upper radiator hose for HEAT with the engine running 20 minutes you didn't need a thermostat or a water-pump. Lets do things in the order of cost and effectiveness: #1. Ask a trusted private mechanic to do an inexpensive *cooling system pressure test to see if you have any external or internal coolant leaks. #2. Replace the electrical temperature sensor in the water-jacket. #3. Cooling systems need to be drained flushed and *cleaned every five years. When was yours done last? #4. You're five years overdue for a new radiator even with the best of cooling system care. When was the last time that your cooling system has been drained. flushed and cleaned with a one part powered acid cleaner? By now, your five years overdue for a new radiator

Q: I'm not familiar w/ this model but need to swap out the water pump. I have no pictures or publications. Anything in particular to watch out for? Is this a pushrod engine w/ a water pump mounted in the front center of the engine and driven by a serpentine belt? Thanks in advance.: You probably have the 3.1 v-6, so the pump is not really hard to change, and is a belt driven pump.

Q: 1998 jeep cherokee water pump: not too hard of a job 1.drain radiator/block of all anti-freeze 2.remove fan shroud 3.remove serpentine belt 4.remove fan unless its electric 5.pull the hoses. 6.remove bolts holding the w/p in place 7.clean all gasket area of old gaskets 8.dry fit new w/p to make shure new pump is right part 9.put rtv gasket on block where w/p will mount 10.put rtv on new w/p 11.put new gasket on w/p 12.mount water pump and snug up the bolts do not tighten 13.after allowing rtv to set for 24hrs tourqe bolts to spec. 14.reverse steps 5 to 1 15.check for leaks.

Q: Yang Chengtai big, the pump power is too small, the water pump will be bad?: Generally not only affect water output, followed by what water pump. Generally small water pump buried too much, sealed less than required, easy to water, causing the motor to burn down.

Q: Is it a good idea to turn my pond water pump off at night and back on during the day to lower my electricity bill?: If your pump is rated to run 24/7 you can leave it running. To save electricity you could get a simple timer and set it to run for 30 mins 2 or 3 times at night and run all day. Or you could have it coming on/off at various times thru day night. This should keep water oxygenated enough

Q: i have a 2003 dodge neon and my thermostat keeps rising to the highes level setting off the indicator (its not broken) i did have a leak in the raiditor and it was very notice able..after pacthing is up there was noproblem till yesterday now the thermostat keeps rising i admit the is very little antifreeze in ther and the rest is water but the is the same mixture tha was in the care that it was rinning off for the last three minths i cannot seem to keep the thermostat down my raiditor is in nee of repair but i m wondering if its the water pump does the water pum help regulate engine temperture? ther are no ivsible leaks and no drippiage could it be that i just need to put antifreeze or could it be the water pump or a broken raidiator? help i will give points for best anwser but really i just need help!: Did you use a radiator stop leak to repair the leak. If you did the radiator could be stopped up. The water pump only pumps coolant through the cooling system. If it has no leaks or the shaft bearing is OK, the pump is OK. Also since the car was getting hot, it may have effected the thermostat. And the head gasket will cause overheating if it's leaking. To check this, remove the radiator cap (while the engine is cold, to prevent being burned) run the engine and look for bubbles in the radiator. The radiator is probably the culprit. Hope this helps. Master tech 40 years.

Q: What is the influence of the speed of the pump motor on the pump?: The question is very general,In general, high speed motors are used in 2 stages, 2900 revolutions per secondLow speed motor with 4 stage, 1450 revolutions per secondYou can probably generalize to thisWith the flow, head, run the pump speed type low noise will be reduced but the service life of the motor (relatively high speed), but the speed of price ratio low speed expensive (motor level 4 level 2 line than for more than copper)For example, it seems that the reason why turtles live longer is that their heart rate is slow.

Q: Mechanic really could not locate the origin of the leak but says the water pump needs to be replaced and says it's a lot of work and would cost $350. How can the origin of the leak be determined. He used a pump and raised the pressure on the radiator but that didn't reveal anything either. Please help.: It's probably the water pump, but if he has to take the timing belt off anyway, ask him if he can just put a new timing belt on for only the cost of the timing belt.

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