Factors TO KNOW ABOUT FOUNTAIN PUMPS

出典: くみこみックス

2012年8月8日 (水) 05:03の版

When replacing a fountain pump or selecting a new one particular, 1st there are some key terms to keep in mind:

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

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

"GPM" : Gallons per minute, normally rated at various heights

"Pump Curve" : The quantity of water volume "curved" according to several 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 buying a pump for the 1st time or when searching for a replacement pump, it is vital that you know how numerous 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 few variables. One particular aspect is the size of the pump, as covered above. But you also ought to consider how wide your tubing will be. Tubing is measured in two ways: inside diameter (i.d.) and outside diameter (o.d.). Quite skinny i.d. tubing will drastically minimize water flow. A lot of customers are shocked when they uncover that, right after hooking up their 500 gallon per hour pump to 1/two" inside diameter tubing, they are only acquiring what they consider a trickle.

We had an engineer do some calculations for us to illustrate the problem. Employing a 300 gph pump with 1/2" tubing is going to restrict your flow to 253 gallons per hour. By growing the pump to 450 gallons commercial ionways per hour, but nonetheless employing 1/two" tubing, you will increase volume only slightly, to 264 gallons learn about life ionizer 8100 per hour! The lesson is this: When buying a pump, find out what size of tubing is supposed to go with it. Another problem is running the tubing also far. Long lengths of tubing produce resistance. If your pump calls for 1/two" i.d. tubing, for instance, but you are operating the tubing twenty feet from the pump, it is

a very good idea to use three/4" tubing rather so as not to reduce down too much on flow.

How much water do I need to have? What size of pump? This question is answered in part by whether you want a "trickle" or a roar. When you buy a fountain, you will generally locate a recommended flow. For waterfalls, use this as a rule of thumb: for each and every inch of stream width or waterfall "sheet," water ionizers you will need to have to deliver 100 gallons per hour at the height you are pumping. So if you are developing a 12" wide waterfall that is 3 feet tall, you need to have to buy a pump that will be pumping 1200 gallons per hour at three feet of height. For modest ponds, anytime feasible, it is a great idea to recirculate the water when

an hour, far more typically if achievable. As a result, if your pond is 500 gallons, attempt to get

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

huge ponds, this is not essential and is far as well high-priced.