Since the pump is the heart of the filtration system, it must have the ability to deliver and maintain the desired flow rate and pressure as the dirt builds up on the filter medium. Proper pump and seal selection is critical an requires the following considerations: Flow rate required (tank turnovers per hour in gph), Location (in or out-of-tank), Discharge head and distance, Filter medium and pressure drop, Solution corrosivity, Solution temperature, All construction materials must be compatible with the solution being pumped.
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