Things TO KNOW ABOUT FOUNTAIN PUMPS

出典: くみこみックス

2012年8月4日 (土) 12:33の版

When replacing a fountain pump or choosing a new one, 1st there are some essential terms to maintain 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 offering really small water, with gallons per hour around zero. So if you require 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, typically rated at different heights

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

"Pump Curve" : The amount of water volume "curved" according to numerous 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 acquiring a pump for the first time or when looking for a replacement pump, it is essential 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 elements. 1 aspect is the size of the pump, as covered above. But you also should consider how wide your tubing will be. Tubing is measured in two approaches: inside diameter (i.d.) and outside diameter (o.d.). Really skinny i.d. tubing will drastically minimize water flow. A lot of buyers 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 issue. Utilizing a 300 gph pump with here's the site 1/2" tubing is going to restrict your flow to 253 gallons per hour. By increasing the pump to 450 gallons per hour, but nevertheless employing 1/2" tubing, you will enhance volume only slightly, to 264 gallons per hour! The lesson is this: When acquiring a pump, uncover out what size of tubing is supposed to go with it. Yet another issue is operating the tubing as well far. Lengthy 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 thought to use three/four" tubing as an alternative so as not to reduce down also a lot on flow.

How considerably water do I need to have? What size of pump? This question is answered best life ionizer 9100 in element by regardless of water ionizers whether you want a "trickle" or a roar. When you buy a fountain, you will generally uncover a encouraged flow. For waterfalls, use this as a rule of thumb: for every inch of stream width or waterfall "sheet," you will want to deliver 100 gallons per hour at the height you happen to be pumping. So if you are developing a 12" wide waterfall that is three feet tall, you want to get a pump that will be pumping 1200 gallons per hour at three feet of height. For little ponds, anytime feasible, it is a excellent notion to recirculate the water once

an hour, far more frequently if achievable. Therefore, if your pond is 500 gallons, attempt to purchase

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

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