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Product Introduction
- The filtration systems used in water-saving irrigation are usually divided into two stages: the primary filtration devices generally adopt either sand-gravel filters or centrifugal filters, while the secondary filtration devices often use mesh filters or disc filters.
- A sand-gravel filter is a type of filtration equipment that uses a specific gradation of sand and gravel as the filtering medium. It is commonly used in scenarios where water is sourced from surface water bodies. Since surface water generally contains a large amount of floating debris, such as withered branches and leaves, aquatic plants, etc., the sand-gravel filter can effectively trap such impurities and perform preliminary filtration. Depending on the irrigation water demand, sand-gravel filters can be used individually or in a parallel combination of multiple units.
