Swimming Pool Sand Filter Flow Rate

There are three common pool filter types sand cartridge and diatomaceous earth d e.

Swimming pool sand filter flow rate. Get your ideal filter whose flow rate matches the flow rate of the pool. If the flow rate is incorrect it will damage piping and equipment cause filtration problems and create an unsafe swimming environment. Therefore your goal is to determine which model of filter can handle 62 3 gallons of water per minute resulting in the desired complete turnover every eight hours. The channeling will make the pool water cloudy by allowing dirty water to passed the filter.

High flow rate can affect the performance of sand filters by causing channeling within the sand bed of the filter. As a general rule of thumb sand filters typically fall between 19 22 max gpm per square foot of surface area. Hayward pro series 16 sand filter system w 1 hp pump 409 00. Here are the flow rates for common filter types and sizes.

Strainer basket easy cleaning prolongs life of sand. You can have less flow in a filter and that is not a problem. Stating this situation another way. Filter sizing and flow rates.

Debris algae and contaminants get trapped between the sand particles as the pool water passes. Once you know how many gallons per hour you need your filter to handle you can then compare it to the maximum designed flow rate. High rate sand filters clean particles down to 25 100 micron range. The calculations for your 29 920 gallon pool show that you require a flow rate of 62 3 gpm to filter the pool s capacity in eight hours.

High rate sand filter maintenance requires backwashing to clean out the debris and prevent channeling. While there are lots of good reasons to install a pool sand filter it s worth looking at the other options and their relative pros and cons too. This is the maximum water flow they can handle under normal conditions. Pool filter sand media is one of the oldest methods of purifying water.

6 function control enables pool owner to filter backwash rinse recirculate drain close system. Pool filters all have a maximum designed flow rate. 100 gpm 1 40 gpm 1 43 gpm 1 67 gpm 1 120 gpm 5 122 gpm 1 150 gpm 2 30 gpm 4 35 gpm 1. Remember the actual flow rate of a filter can be derived by multiplying the filter rate by filter.

All three of these pool filter types will keep your pool and spa clean but you should consider the needs of your specific application your other equipment and plumbing size before making a selection. Our filters can be added to inground pool kits sold by pool warehouse. These filters are generally cheaper than cartridge based alternatives and have lower overall maintenance costs. 1 8 square feet surface area 40 gpm.

Make sure you stay below the maximum flow rates for your filter system or you could end up damaging it. 24 hour automatic timer. Pool warehouse offers a wide selection of swimming pool filters.