Factors TO KNOW ABOUT FOUNTAIN PUMPS: Unterschied zwischen den Versionen

Version vom 19. Juli 2012, 03:34 Uhr

When replacing a fountain pump or choosing a new 1, first there are some key terms to keep in thoughts:

"Head": This is the maximum vertical lift of the pump. For example, a 6' head indicates the pump is rated to pump water up to 6 feet high. Note, nonetheless, that at 6 feet the pump would be providing really small water, with gallons per hour around zero. So if you need to pump, say, 200 gph at 72", you will almost certainly need about a 300-600 gallon per hour pump to do the job.

"GPH" : Gallons per hour, generally rated at diverse heights

"GPM" : Gallons per minute, usually rated at distinct heights

"Pump Curve" : The quantity of water volume "curved" according to a variety of heights. A 500 gallon per hour pump, for instance, may possibly pump 500 gallons per hour at " lift, 350 gallons per hour at 24" of lift, and so forth. When buying a pump for the first time or when seeking a replacement pump, it is crucial that you know how several gallons per hour you want to pump and at what height (head).

Water Volume The total volume that you will be pumping is controlled by a couple of variables. A single aspect is the size of the pump, as covered above. But in english you also must contemplate how wide your tubing will be. Tubing is measured in two approaches: inside diameter (i.d.) and outside diameter (o.d.). Extremely skinny i.d. tubing will drastically minimize water flow. Numerous customers are shocked when they locate that, immediately after hooking up their 500 gallon per hour pump to 1/two" inside diameter tubing, they are only getting what they contemplate a trickle.

We alkaline ionized water investigation had an engineer do some calculations for us to illustrate the difficulty. Employing a 300 gph pump with 1/2" tubing is going to restrict your flow to 253 gallons per hour. By rising the pump to 450 gallons per hour, but nevertheless making use of 1/two" tubing, you will boost volume only slightly, to 264 gallons per hour! The lesson is this: When buying a pump, locate out what size of tubing is supposed to go with it. One more problem is running the tubing too far. Long lengths of tubing generate resistance. If your pump calls for 1/2" i.d. tubing, for instance, but you are running the tubing twenty feet from the pump, it is

a excellent thought to use three/four" tubing rather so as not to cut down too much on flow.

How significantly water do I want? What size of pump? This question is answered in component by whether or not you want a "trickle" or a roar. When you get a fountain, you will normally locate a advised flow. For waterfalls, use this alkaline water machine as a rule of thumb: for every inch of stream width or waterfall "sheet," you will need to deliver 100 gallons per hour at the height you're pumping. So if you are building a 12" wide waterfall that is three feet tall, you require to buy a pump that will be pumping 1200 gallons per hour at 3 feet of height. For tiny ponds, whenever possible, it is a good notion to recirculate the water when

an hour, far more usually if attainable. Therefore, if your pond is 500 gallons, attempt to buy

a pump that will recirculate water at a rate of 500 gallons per hour. For actually

large ponds, this is not necessary and is far too high-priced.