Standard
[CURRENT]
ISO 3968:2017-07
Hydraulic fluid power - Filters - Evaluation of differential pressure versus flow
German title
Hydraulik - Filter - Bestimmung des Druckabfalles in Abhängigkeit von der Durchflusscharakteristik
Publication date
2017-07
Original language
English
Pages
17
Publication date
2017-07
Original language
English
Pages
17
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Content
Content (en)
Foreword
Introduction
Scope
Normative references
Terms and definitions
Symbols
Show subsection Close subsection Letter symbols
Graphical symbols
Operational characteristics to be tested
Filter to be tested
Show subsection Close subsection Filter type
Filter element
Test equipment
Show subsection Close subsection General indications
Pump
Reservoir
Temperature control
Clean-up filter
Sampling valve
Mounting of filter
Test fluid
Measurements
Show subsection Close subsection Pressure measurement
Temperature measurement
Kinematic viscosity measurement
Flow rate measurement
Fluid cleanliness measurement
Accuracy of measuring instruments and test conditions
Procedure
Show subsection Close subsection Pipework correction
Cleanliness of test circuit
Characteristics of the filter housing (filter type 6.1.3)
Characteristics of the filter assembly (filter type 6.1.3)
Characteristics of the filter element only (filter type 6.1.3)
Characteristics of the head and spin-on (filter type 6.1.2)
Characteristics of the spin-on (filter type 6.1.1)
Characteristics of the bypass valve
Show subsection Close subsection Preliminary installation
Determination of full flow rate characteristics
Determination of opening pressure
Determination of closing pressure
Measurement of leakage rate
Presentation of results
Identification statement (reference to this document)
Introduction to the power loss equation and method to calculate (informative)
Show subsection Close subsection Background
Terms and Definition
Method to present
Bibliography
Cooperation at DIN
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