4" Peripheral Submersible Deep Well Pump (4SKM)

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 1 unit

Supply Capability:: 1000 unit/month

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Applications

For water supply from wells or reservoirs.
For domestic use, for civil and industrial appplications.
For garden use and irrigation.

Operating conditions

Maximum fluid temperature up to +35º C
Maximum sand content: 0.3%
Maximum immersion: 50m
Minimum well diameter: 4"

Motor and pump

Rewindable motor
Three-phase: 380V-415V, Single-phase: 220V-240
Equip with special start-up control box.

Adopted the NEMA standard

Insulation class: B

Protection grade: IP 68

Intermal diameter of outlet : 1"

Q: How to determine the pump installation elevation, why should we determine the pump installation elevation?: Determination of pump installation elevation: the geometric height between the suction well level and the center line of the pump impeller, plus the hydraulic loss of the suction pipe, is the actual installation height of the pump. (notice: if the suction level is higher than the center of the impeller, it should be negative)To determine the water pump installation elevation reasons: general water pump nameplate on the "NPSH" value, the above calculation of the value must be less than this NPSH value, so as to ensure that water pump is not prone to cavitation.[NPSH] - allowable cavitation margin is to determine the conditions of use of the pump cavitation margin.

Q: Okay so earlier, I went to go test out my water pump and all on my 66 mustang 302. And I got it up to normal operating temp, and had the rad cap off. I gave it some gas, the coolant level didn't go down, instead it came out the rad pretty badly. I've been having overheating problems, and I have no leaks, i just replaced the thermostat a few days ago, it didn't help. I haven't seen any leaks around the weep hole on the water pump, or noises. Other than a belt that does need to be tightened a bit, you can hear the belt squeling a tiny bit. So do yall think it could be my water pump?: ok so the termostat replace no leaks and its overheating check the fan hub is it ok if yes then replace the radiator i dont think your head gaskets are blown because water came up when temp was hot an you reved up the engine however if water had came out when water was cold or warm the i say the head gaskets were blown hope this helps

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?: look up the torque spec's in either a hayne's/chilton's manual, or online to see if you have it tightened correctly, and using some high-temp RTV on both sides of the gasket before you install it should help. most auto part stores have torque wrenches to rent for a day. Also, there may be a certain order you have to tighten the bolts down.

Q: A Pump is direct driven by a 25 HP 900 rpm electric motor at rated load. In order to to double the quanitity of water delivered, it would be necessary to substitute a motor rated at____HP at____rpm. ans. 200 and 1800. not sure how they came up with this answer...whats the equation???: N = (95 H.C)/D Where N = rev/min D = diameter of impeller over blade tips in metres H = total head in metres C = constant. C depends on the shape of the pump and normally lies between 1.05 and 1.2 Later edit. I'm not sure if you are aware of it but each impeller has it's own characteristic performance curve.

Q: What's the difference between a double suction pump and a single suction pump?: The difference between a single suction pump and a double suction pump is that the double suction pump has two intake ports, while the single suction has only one intake.

Q: vw tells me the pump is defective, bad water circulation. i noticed the fans did not turn on when it began to overheat. is that irrelevant with the pump being defective? i even drop the car cold(i started the engine and drove) within 10mins it began to overheat, but the fans did not turn on. is it just the pump? the fan switch is new, no fuses are blown. the radiator and fans are less than 2 yrs old. 2000 jetta: take the car to another mechanic as it sounds like the VW dealership doesn't know what there talking about.

Q: i'm trying to make a small water fountain, i have a tiny motor that i can use, but i dont know how to use it to make the water go up :( haha heeeelpthanks in advance:): I doubt that your motor is waterproof. You would do better to just purchase one of the many fountain pumps all ready available at many home improvement centers or online. They are water proof and have the pump and motor all in one enclosure.

Q: Hi, I need a 12/24v dc submersible water pump that can pump up to 15m but I can't seem to find it anywhere. Any help would be more than appreciated!: in okorder okorder

Q: We came home one day to find our bathroom floor soaked, and we had no water at all.we later found out that it was the washing machine hose leaking.Our friend primed the pump but isent an expert..we fixed that problem with a new hose.A few weeks after, we started to notice that when you are in the shower, the water would shut off for a minute and come back on for a minute, so on so on, perfectly timed., and this got worse and worse, yesterday it would be on for like 20 secconds and off for 3 minutes... last night the water was working good but today we woke up with no water.The water taps in the house hardly do it at all. I also noticed that when we are running water the water pump goes crazy fast, i can hear it because its a mobile home.: I'm guessing that you have a well. The others had some good points and I would just like to add that I had a similar problem with my pump. Turned out that the tank had to much air in it and was fooling the pressure switch.

Q: I must change the timing belt of my car. I have been told that the water pump must be done too since it is right there. Due to the high price I want to postpone/skip the water pump until the next tune up. What happens if the water pump fails down the road? How long does a water pump last? 120K? My car has 60,000 miles on it. Thank you.: There is no guarantee on how long the water pump will last, but normally 100,000 miles plus. But that is true of a timing belt too. The water pump has a weep hole at the bottom, visually check for corrosion or rust in that area. If you see some, could be a sign that it is ready to go soon. If not, then do the repairs that you can afford. But why the heck are you changing a timing belt at 60,000 miles.

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