Agricultural irrigation equipment - Filters for microirrigation - Part 4: Granulated media filters
This document specifies construction requirements and test methods for pressurized granulated media filters, hereinafter referred to as media filters, intended for operation in agricultural irrigation systems.
It is applicable to both manual cleaning media filters and automatic self-cleaning media filters, used as single unit or in batteries (two or more units working in parallel).
This document covers the operation and performance of a media filter, together with all related valves, back flushing mechanism, underdrains, manifolds and other related accessories necessary for the operation of the filter.
This document is applicable to three configurations of a filter:
Annex A provides information on types of irrigation media filters.
Annex B provides information on granulated media.
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