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ISO 9912-3 2nd Edition, October 1, 2013 Agricultural irrigation equipment - Filters for microirrigation - Part 3: Automatic flushing strainer-type filters and disc filters
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Availability date: 07/13/2021
Description / Abstract:
This part of ISO 9912 specifies general construction
requirements and test methods for automatic flushing strainer-type
filters and disc filters (hereinafter called "filters") intended
for operation in agricultural irrigation systems.
It does not cover the aspects of filtration ability, efficiency
and capacity (like quality of filtered water or time of operation
before filter becomes entirely clogged).
NOTE 1 The parameters of filtration ability, efficiency and
capacity, their definitions and their test methods are to be
included in a separate ISO International Standard or Technical
Report. The test methods will be described in that document, using
water as defined by the client, to characterize the filter
properties during operation with this water, or with water defined
by the tester or the client, for comparison between various filters
under identical operating conditions.
NOTE 2 ISO 9912-2 covers strainer-type filters and disc filters
in general (see Clause 5).