ISO 3968:2017
2017-07
Abstract
ISO 3668:2017 specifies a procedure for evaluating differential pressure versus flow characteristics of hydraulic filters and constitutes a basis for agreement between the filter manufacturer and user.
It also specifies a method for measurement of the differential pressure generated at different flow rates and viscosities by the relevant parts of a filter assembly, spin-on and any valves contained within the filter which are in the flow stream. The typical types of filter to be tested are as follows:
Type 1: which are spin-on filters in which the replaceable unit does not include a filter head (it might or might not include the element by-pass valve);
Type 2: which are spin-on filters in which the replaceable element is tested together with a filter head (it might or might not include the element by-pass valve);
Type 3: which are filter assembly, usually of the replacement element type, that is the housing (head and bowl) and element.
General information
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Status: PublishedPublication date: 2017-07Stage: International Standard confirmed [90.93]
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Edition: 3Number of pages: 17
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Technical Committee :ISO/TC 131/SC 6ICS :23.100.60
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Life cycle
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Previously
WithdrawnISO 3968:2001
WithdrawnISO 3968:2001/Cor 1:2002
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Now
