ISO 11170:2013 Hydraulic fluid power —
Sequence of tests for verifying performance characteristics of filter elements
Filter elements are an important part of hydraulic fluid power systems, and it is crucial that they are able to meet performance standards. ISO 11170:2013 specifies a sequence of tests that can be used to verify the performance characteristics of filter elements. This article provides an overview of the tests specified in ISO 11170:2013 and explains how they can help ensure the proper functioning of hydraulic fluid power systems.
What is ISO 11170:2013?
ISO 11170:2013 is an international standard that specifies the requirements and tests for verifying the performance characteristics of filter elements used in hydraulic fluid power systems.
The standard covers both new and used filter elements.
Filter elements are classified according to their filtration rating, which is the nominal micron rating of the element.
ISO 11170:2013 defines three classes of filter elements, based on their filtration rating:
- Class I: Nominal micron rating ≥ 20 µm
- Class II: Nominal micron rating ≥ 10 µm and < 20 µm
- Class III: Nominal micron rating < 10 µm
ISO 11170:2013 also defines four grades of filter elements, based on their dirt-holding capacity:
- Grade A: ≤ 200 mg
- Grade B: > 200 mg and ≤ 500 mg
- Grade C: > 500 mg and ≤ 1000 mg
- Grade D: > 1000 mg
What are the requirements of ISO 11170:2013?
In order to ensure the reliable performance of filter elements, ISO 11170:2013 establishes a sequence of tests that must be carried out. These tests are designed to verify the dirt-holding capacity, pressure drop and flow characteristics of the filter element.
The first test in the sequence is the dirt-holding capacity test. This test is used to determine the ability of the filter element to hold onto contaminants.
The second test is the pressure drop test. This test is used to determine the increase in pressure across the filter element when it is in use.
The third and final test in the sequence is the flow characteristic test. This test is used to determine the effect of the filter element on the flow of fluid through it.
What are the benefits of ISO 11170:2013?
ISO 11170:2013 provides guidance on how to verify the performance characteristics of filter elements used in hydraulic fluid power systems. The standard covers both new and used filter elements.
The benefits of using ISO 11170:2013 include:
· improved safety of hydraulic fluid power systems
· increased reliability of filter elements
· reduced downtime of hydraulic fluid power systems
· lower maintenance costs
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