DC Variable Speed Pump with Potentiometer Speed Adjusting

DC Variable Speed Pump with Potentiometer Speed Adjusting

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Loading Port:: Shanghai

Payment Terms:: TT OR LC

Min Order Qty:: 1 set

Supply Capability:: 1000 set/month

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Specifications

DC variable speed PUMPwith Potentiometer Speed adjusting and PWM(50-800HZ/Amlitude 5V) or VR(0-5V) Speed adjusting connection

DC variable speed PUMPwith Potentiometer Speed adjusting and PWM(50-800HZ/Amlitude 5V) or VR(0-5V) Speed adjusting connection :

Features:

1. Life: Expected life span is about 30000 hours.
2. Low noise: ≤40dB, far from 1meter distance.
3. Duty work: The pump can sustain heavy duty work for a whole day. Continuous operation.
4. Working conditions: Applying to indoor and outdoor under temperature 40 degC.
5.Working temperature: Within 100 degC. can work in water and out of water.

1. Life: Expected life span is about 30000 hours.

2. Low noise: ≤40dB, far from 1meter distance.

3. Duty work: The pump can sustain heavy duty work for a whole day. Continuous operation.

4. Working conditions: Applying to indoor and outdoor under temperature 40 degC.

5.Working temperature: Within 100 degC. can work in water and out of water.

6. Can work in water or out of water.

7. Reliable Performance: Works quietly; Energy saving; High efficiency; Environment protection; We can offer over voltage protection, overheat protection, run dry protection, over current protection, idling protection, blocking protection, jammed protection signal feedback, speed control, ect.

NOTE :3phase dc is completely different with 3phase AC; 3phase DC means 3 pairs of magnetic polarity & sensor-less, power supply the same with common DC pump(two wires: positive and negative). Intelligent program-driving, sensor-less,PCB board outside (main factor that pump can be high-temperature resistant)

Q:I need to replace a water pump: Just take off the fan belt, unbolt the water pump and fit the new one. Make sure the gasket area is clean and use a new gasket. If it has the fan on it, take that off first.

Q:The water hose hooks from the radiator to the water pump. Does an o-ring go in it? What else could be causing it to leak?: Hello, okorder . Watch The Video! You will be glad you did! Thanks for your time! BimmerFix Products Co. Tucson, Arizona, USA

Q:Hello, i have a 1987 volkswagen cabriolet that i purchased earlier this year. So far its been a pain in the butt. Recently i noticed it overheats real quick, but it didnt use to. then i noticed the coolant/antifreeze was being used up like no other! I discovered, after being parked at work, that it was leaking.it leaks basically anything i put in there now!! it leaks from the water pump housing,.,.... at least thats what the internet said it was.. its leaking from the end of the hose that connects to the engine... (the hose that comes from the coolant reservoir.)What do i do? I dont feel any cracks? does this part crack? is it an o-ring or somehting? I am really absolutely NOTHING ABOUT CARS. Please help!!: Water pumps have a seal to hold the water from leaking out the spinning shaft, and the seal always wears out about every 100,000 miles. It is probably this seal that is bad, because it is probably the original pump, and you replace the whole pump. You have to take the front belt cover off and remove the timing belt, so it is not a trivial job. Cost about $300, and takes about 2 hours. But any friend who understands timing belts can do it easily. No special tools or tricks involved, other than making sure the cam timing is correct. Once you take the 3 bolts holding the water pump housing off, you can easily tell if any hoses or clamps should also be replaced. Do the thermostat while you have it off anyway. It is only $5.

Q:I just opened up the water pump on my '86 cr250 and found it to be pretty dry. Found out why as soon as I threw some light on it. Yep, all but a TINY hole in both hose nipples (?) are completely gunked up in some nice light green/white crap.Does anybody know what this is? Okay obviously it's coolant, but why is it so dry? What causes it? My bike never quot;overheatedquot;, but there's very little travel room for the liquid. What should I do now? Clean it out and run new water through it?: Appears your cooling system has not been flushed for years thus the build-up of slime, (seems maybe even 'dry-slime'). The cooling system should be flushed clean, a new water pump and gaskets installed.

Q:I just got a new boat with a diesel engine and I don't understand why there is a coolant tank as well as a water pump? I think the water pump goes to the heat exchanger but what actually cools the motor - how does this stuff work?: this is refered to as a fresh water cooling system. the engine has a coolant tank and a recirc pump that pumps the coolant through a tube and shell heat exchanger,just as a car does through a radiator. instead of air around the radiator, the exchanger has sea(lake)water pumped through it by a engine mounted pump or a pump on a outdrive if so equiped. the engine heat is transmitted from the engine coolant to the exchanger, and out to the sea(lake). this system has many advantages. one of the most important is the fact that salt or brackish water never touches the engine block or components, preventing costly corrosion. secondly it keeps the engine running at a more even or constant temp. this is very important to a diesel as the engine puts out its hp and performance at a set temp. the heat exchanger can have an automatic drain system, draining water out of it and with coolant (antifreeze) in the engine, the boat can be operated in freezing weather without freezing, or draining the block every night. Heat exchangers can be backflushed easier than an engine, and allow the boat to be operated in muddy or contaminated water. (I have seen boats with tandem exchngers in case one plugs up or needs cleaning). gasoline and diesel engines can have exchanger systems, but since diesels inherantly are more expensive and live longer, a heat exhanger system is worth while.

Q:I noticed my car was quot;in the redand was about to overheat as i was driving, so at first I thought maybe i needed more coolant. I turned off my car and heard a fan noise under my engine for like a minute then it stopped. I checked the radiator and it was empty (no coolant) so i put water in there to get to the store to buy more coolant. By the time i bought some the water was already gone (this was only like 10 min) so I put the coolant in drove home again i noticed i was overheating, i checked again and all the coolant had leaked out too..it was all gone, that QUICK! So i asked a couple of men about it, and they say it sounds like it could be a hose or either a water pump. I don't know which it is, i can't drive it anywhere b/c it keeps overheating and i don't want to get it towed for $75 just to get a new hose. So is there a way i could tell what the problem is? Thanks!: Yes - look for the leak!!!! With the car off, look for stains on the radiator, or puddles of greenish fluid anywhere. If you see puddles, look for the hoses/connections above them. If you see a stain near the water pump mounting on your car, you are likely having a water pump issue (or a hose clamp has worn a hole in one of your hoses mounted to the pump) If you don't see anything, add water to your car, and look for immediate leaks. You should see something. Check under the car for puddling. Turn off the car and immediately check under the hood - many times your coolant will remain pressurized long enough to continue leaking after its shut off for a little while.

Q:Hoping that someone may read this.Broke down yesterday after re-filling coolant when car re-heated and mechanic who rescued us advised that the water pump is leaking and requires replacement.Our local garage have advised that to change the water pump also requires a new camber (?) kit and including both and 3.5 hours labour their total quote is ?315.08.This sounds crazy for changing a water pump - can anyone shed any light and reckon that they may be taking the mickey?Am not technical so wouldn't attempt to do work myself, however if we go back to garage, or to others, I'd like to know exactly what work needs doing.Thanks!: When the necessary water-pump is replaced 90% of the parts will be removed anyway to access replacement of the timing belt. In other words, the mechanic will have already removed the water-pump and just a few more parts will need to be removed to change the timing belt. If you haven't had the timing belt changed in the past 50,000 -75,000 KM it's wise to have it done now rather than later when the water-pump will have to be removed to change only the belt. If the belt happens to break somewhere down the road it *could raise hell with the valve train and pistons costing more pounds and kilos of money to repair. I only offer this advice as a wise preventative maintenance measure!

Q:1996 Eagle Vision tsi,has a small coolant leak,was told it iso.k. due to a water pump pressure release valve?has anyone heard of this on an auto?I thought they were only in hot water tanks at home.: Your friend is full of it. There is no water pumper pressure release valve. When the preasure is high the radiator cap spring compresses and allows water back into the overflow.

Q:ok so im wondering if there is a water pump out there i can buy that automatically turns on when i turn the tap on. i looking for something thats strong enough to pump enough water to more than one taps at a time i.e kitchen tap, bathroom etc.: Lots of house booster systems available. Just ask.

Q:My friend wants to buy a 90's somethin dodge avenger.( not sure what year) and the guy says the water pump is bad. Does the car have to be re timed when u replace the water pump?: There is no connection between the water pump and the timing. Timing is a function of the engine ignition system, water pumps are part of the cooling system. There is no relationship. The water pump is driven by the belt that drives all the other engine accessories. Changing a water pump does not in any way effect timing.

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