Factors TO KNOW ABOUT FOUNTAIN PUMPS: Unterschied zwischen den Versionen

Version vom 14. Juli 2012, 17:04 Uhr

When replacing a fountain pump or picking a new one, first there are some important terms to maintain in mind:

"Head": This is the maximum vertical lift of the pump. For example, a 6' head means the pump is rated to pump water up to 6 feet high. Note, however, that at 6 feet the pump would be supplying very small water, with gallons per hour about zero. So if you want to pump, say, 200 gph at 72", you will most likely need to have about a 300-600 gallon per hour pump to do the job.

"GPH" : Gallons per hour, usually rated at different heights

"GPM" : Gallons per minute, generally rated at different heights

"Pump Curve" : The amount of water volume "curved" according to various heights. A 500 gallon per hour pump, for instance, may pump 500 gallons per hour at " lift, 350 gallons per hour at 24" of lift, and so forth. When purchasing a pump for the initial time or when searching for a replacement pump, it is important 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 factors. One particular element is the size of the pump, as covered above. But you also ought to take into account how wide your home water filters tubing will be. Tubing is water ionizer measured in two approaches: inside diameter (i.d.) and outside diameter (o.d.). Really skinny i.d. tubing will greatly lessen water flow. Numerous consumers are shocked when they locate that, immediately after hooking up their 500 gallon per hour pump to 1/2" inside diameter tubing, they are only getting what they take into account a trickle.

We had an engineer do some calculations for us to illustrate the problem. Utilizing 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 utilizing 1/two" tubing, you will increase volume only slightly, to 264 gallons per hour! The lesson is this: When acquiring a pump, find out what size of tubing is supposed to go with it. Another dilemma is operating the tubing also far. Extended lengths of tubing create resistance. If your pump calls for 1/two" i.d. tubing, for instance, but you are running the tubing twenty feet from the pump, it is

a excellent concept to use 3/4" tubing instead so as not to cut down too a lot on flow.

How significantly water do I want? What size of pump? This question is answered in portion by whether or not you want a "trickle" or a roar. When you acquire a fountain, you will generally find a recommended flow. For waterfalls, use this as a rule of thumb: for each inch of stream width or waterfall "sheet," you will want to deliver 100 gallons per hour at the height you're pumping. So if you are developing a 12" wide waterfall that is 3 feet tall, you need to have to acquire a pump that will be pumping 1200 gallons per hour at 3 feet of height. For modest ponds, whenever attainable, it is a very good idea to recirculate the water as soon as

an hour, a lot more typically if attainable. Therefore, if your pond is 500 gallons, try to get

a pump that will recirculate water at a rate of 500 gallons per reverse osmosis systems hour. For genuinely

large ponds, this is not essential and is far too expensive.