ISO 9912 Agricultural Irrigation Equipment - Filters for Micro Irrigation

Material Testing

ISO 9912 Agricultural Irrigation Equipment - Filters for Micro Irrigation

EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ISO 9912 testing. This part of ISO 9912 defines terms used in relation to filters for agricultural micro-irrigation systems, particularly pressure systems, and provides a way to classify these filters according to filtration method, construction, operating principle and function.

ISO 9912 Agricultural Irrigation Equipment - Filters for Micro Irrigation

It does not deal with classification according to the type of water intended to be filtered; Nor does it apply to the classification of filters for drinking water or domestic water use.

Clogging of irrigation system components, especially drippers, is one of the main problems encountered in micro irrigation. Clogging agents include residues, suspended particles of organic and inorganic origin (sand, silt, clay, plastics, algae and waterborne insects), chemical deposits (calcium carbonate and magnesium carbonate, calcium sulfate, metal oxides and metal hydroxides), and biological substances. is found.

The function of the filter in an irrigation system is to remove substances from the water that could clog or otherwise contaminate the various components of the system. However, under typical irrigation conditions and given the wide variety of sizes and hardness of suspended particles in irrigation water, complete removal of all suspended particles cannot be expected.

Also, under alkaline or hard water conditions, accompanied by conditions of high biological activity or high content of suspended organic particles, materials passing through the filter may coalesce in the piping system or emitters and cause clogging. Therefore, depending on the water quality, it may be necessary to use two or more filters in series in different parts of the system to minimize clogging.

Under conditions of problematic water and high filtration efficiency, clogging of the filters themselves can be the main concern and the need for frequent cleaning can hinder completion of an irrigation set.

Various operating methods, using suction or separation, are used to separate and/or remove clogging materials from the irrigation water. Separation may be by surface separation (gravity surface separation, pressurized surface separation, or self-circulating separation), centrifugal separation, trapping or arresting, respectively.

EUROLAB assists manufacturers with ISO 9912 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.

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