Factors TO KNOW ABOUT FOUNTAIN PUMPS: Unterschied zwischen den Versionen

Version vom 18. August 2012, 16:22 Uhr

When replacing a fountain pump or deciding on a new 1, initial there are some key terms to maintain in mind:

"Head": This is the maximum vertical lift of the pump. For example, a 6' head implies the pump is rated to pump water up to 6 feet high. Note, even so, that at 6 feet the pump would be delivering quite small water, with gallons per hour around zero. So if you need to have 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 different heights

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

"Pump Curve" : The quantity of water volume "curved" according to several heights. A 500 gallon per hour pump, for instance, might pump 500 gallons per hour at " lift, 350 gallons per hour at 24" of lift, and so forth. When purchasing a pump for the first time or when seeking a replacement pump, it is vital that you know how a lot of 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 handful of factors. One aspect is the size of the pump, as covered above. But you also need to take into account how wide your tubing will be. Tubing is measured in two approaches: inside diameter (i.d.) and outdoors diameter (o.d.). Extremely skinny i.d. tubing will tremendously reduce water flow. A lot of consumers water ionizers are shocked when they uncover that, after hooking up their 500 gallon per hour pump to 1/2" inside diameter tubing, they are only getting what they consider a trickle.

We had an engineer do some calculations for us to illustrate the dilemma. Making use of a 300 gph pump with 1/two" tubing is going to restrict your flow to 253 gallons per hour. By escalating 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 purchasing a pump, find out what size of tubing is supposed to go with it. Yet another issue is running the tubing as well far. Extended lengths of tubing produce 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 good concept to use 3/four" tubing instead so as not to reduce down also much on flow.

How significantly water do I want? What size of pump? This question is answered in portion by no matter whether you want a "trickle" or a roar. When you get a fountain, you will typically discover a encouraged flow. For waterfalls, use this as a rule of thumb: for every single 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 3 feet tall, you require to acquire a pump that will be pumping 1200 gallons per hour at 3 feet of height. For modest ponds, anytime possible, it is alkaline diet a very good idea to recirculate the water as soon as

an hour, more typically if possible. Therefore, if your pond alkaline water ionizer is 500 gallons, attempt to purchase

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

big ponds, this is not essential and is far also costly.