The disc filter may be used wherever organic materials, sand, or sediments are present in the water source. Unlike screen filters, disk filters consist of stacked round discs with small grooves on each side, compressed together to create a three dimensional filtration body with a series of channels that trap the debris that can damage the irrigation system. When water flows through the disc filter, organic materials and sediment accumulate along the outside diameter of the disc element. As this occurs, there is a drop in pressure between the incoming water and the downstream water exiting the filter, forcing organic matter and debris into the disc channels until stopped. If used with low water quality and not cleaned in time, the filter will develop a fixed pressure on the inlet side of the filter and a zero pressure on the outlet side, assuring that regardless of the type of water used, water flow will be essentially stopped, and dirty water will not enter the irrigation system.
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