DC Variable Speed Pump with Potentiometer Speed Adjusting

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Shanghai
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1 set
Supply Capability:
1000 set/month

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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.

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)


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Q:Where can you buy a water pump?
any hardware store home depot lowes etc
Q:1999 Nissan Sentra water Pump?
nissans are a pain in the @s$
Q:Can i run a fan and water pump while charging deep cycle battery?
You may have to do some math. The 80 watt panel is only 80 watts at peak sun on a 75°F day at the equator. Chances are you will have something less than 80 watts to work with. But you can add up all the hours of partial sun to get an equivalant number of peak sun hours. An example would be a few hours in the morning and evening at partial power and a couple of hours at solar noon at nearly full power may give you 5 peak sun hours worth of light. 5 psh x 80 w/ps = 400 wh Your supply may have 400 watt hours worth of power per day. You state that the fan is 12v dc but what is the wattage? It could be a little 12v dc fan out of a computer or it could be a huge 12v dc fan out of an RV. What is the power requirements of the water pump? Is it a little 12v dc one for a foot tall decorative fountain or an industial 3 phase pump for a well? To charge the battery you need a voltage 120% higher than the battery voltage. 12v x120%=14.4 v To add up your loads convert them all the use to dc watt hours per day Here is an example to give you an idea of how to play with your numbers: Fan 12vdc x 1.5 A = 18 watts, use this for 5 hours your load would be 18w x 5hr = 90 watt hours Pump 120 vac x 2.5 amps = 300 watts (The AC will need to come from an inverter. The inverter has a certain amount of loss. How good it does the job of converting dc to ac is know as it's efficency. Lets use 90% to be safe) 300 watts / 0.90 = 333.4 watts, use this for 1/2 hour per day 333.4w x 0.5hr = 166.7 watt hours The 90 watt hours + the 167 watt hours = 257 watt hours per day. This would leave about 140 watt hours to put into the battery. Yes it would be best to use a charge controller to protect the battery from overcharging if the pump and fan are off, or from draining the battery too much if the fan or pump stays on.
Q:Replace water pump in a 1999 mitsubishi eclipse gs?
1999 Mitsubishi Eclipse GSX New Estimate » Near zip 92010 Estimated price range for your repair $535 - $841 Estimate Includes: Labor: $442 - $564 Parts: $93 - $277 Coolant 2 Hose Clamps Water Pump Water Pump Gasket Estimates exclude applicable taxes, diagnostic charges, disposal fees, and miscellaneous expenses. About this Repair: Water Pump Replacement for your 1999 Mitsubishi Eclipse GSX Best Practices When replacing the water pump, the drive belts may need to be removed. The belts should be replaced if they show signs of wear. The entire cooling system—including all the coolant hoses and fittings, radiator, coolant fan(s), and fan clutch (if equipped)—should be inspected when replacing the water pump. To help prevent future issues, we recommend replacing the thermostat when the cooling system has been opened for repairs (e.g. water pump or radiator replacement) or during a system flush. Common Symptoms Water pumps require replacement if they begin to leak coolant or become noisy. Leaking water pumps can result in damage to the drive and timing belts. A failed water pump can be caused be problems in the cooling system, such as a failing thermostat, radiator, or head gaskets. » Learn more about Water Pump Replacement
Q:Is it economical to use a water pump with pressure switch but without using a pressure tank?
rodolfo, no its not economical. a pressure tank is an integral part of a pressure system - think of it as a storage tank allowing you to use water at a preset pressure without running out instantly. a pressure tank will hold a certain amount of pressurized water to allow proper use -
Q:What could cause a water pump to break in a 3 year old car?
Hi Christina, My sister's little boy had the same thing. Unfortunately their family doctor prescribed a stimulant laxative which is very harsh especially for young children and made the situation worse (if you must use laxative as last result, a bulk forming is the most gentle and least habitual forming). I have some great possible remedies and please forgive if you have already tried: the best would be increasing water intake everyday, slowly increase fiber intake but not too fast with fruits or veggies, natural non sugar (low sugar Dannon) yogurt is really big recommendation, aloe vera juice, flaxseed,comfrey in warm water as tea, and/or small amount of molasses in warm water(1/4 tsp). Sometimes constipation is due to iron medications or other prescriptions otherwise usually not enough fluid intake or fiber. Applesauce is good with no sugar not even artifical sugars. Cut any soda intake or high sugar foods. Also, try relaxation times(read favorite book together or quiet, slow activity) for both of you. Stress on either of you or getting high energy about situation can really prolong. Best of luck.
Q:where produce good quality water pump?
place a bucket outside when its raining
Q:How does water pumping work?
Usually they look for an underwater spring or reservoir, then they drill or dig into it. From there, they either instal a pump or use it as a well. As for how it works, refer to water pressure.
Q:i have a 1997 bmw the water pump went out and we replaced it and i need to now what else could be wrong?
Have your radiator checked, replace the radiator cap and thermostate, look at all your hoses and you should be just fine,, 2002M7
Q:Does my 10 story building need water pump?
Perhaps the water tank/supply is higher than 10 stories high.

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