a leader in the oil & Gas industry Deep Bed Nutshell Filters are down flow, deep bed, nut shell media filters designed for oily water filtration. Use the pool gallons and pump size to choose the right sand filter size. 4 m 3 /m 2 /hr (or 400 liters per square meter of sand surface area per hour). The reason it is important to consider what filter media to use when we build biological filter systems, is to increase the available surface area for these bacteria to colonize. Filter Media Volume Calculator. com • PentairAES. This drain plug is located at the bottom of the filter. pool filter. The Merit Filter Media™ sludge dewatering system now offers the best financial alternative to both costly mechanical dewatering and obsolete, inefficient sand drying beds. Both filters have pressure gauges, and they both require backwashing when the pressure gets too high. Product - Intex Sand Filter Pump. Example: If a 90 gpm pump is chosen and you want to install a high rate sand filter: 90 ÷ 15 = 6 square feet is the minimum size filter for the job. As the media is released into the wash box, it falls into the sand scrubber where the filtered solids are. Before I rolled up my sleeves and stated work on the sand replacement, my brother has already called the specialists. Best of all, Merit Filter Media™ can be retrofitted to any existing sand drying bed simply and inexpensively. Once the differential pressure reaches a preset level a switch will activate. Sand: Backwash weekly. (1) Sentences 8. The water passes through the small spaces between the media grains and the debris is stopped when it can't fit through these spaces. Welcome to Northern Filter Media. A holding tank is being utilized to ensure the sand filter backwash can be managed properly. Koral Filters PRO Koi Pond Filter Pad Media Roll - Blue Bonded - 12 Inches by 72 Inches (6 ft) by 1. Sand filters are used when finer filtration and liquid clarity (turbidity reduction) are a requirement. For additional information please see the AES Master Catalog or call our Tech Support Line at 407-543-2295. OBJECTIVES: 1. The flux rate is typically 5-20 gallons per minute per square foot (GPM/ft2) and utilizes a proven distribution design to enable excellent hydraulic coverage during high-rate operation.