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Industrial Hydraulic & Lubrication
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- We were the first filter company to employ microglass fiber technology to provide extended-life filter media. Today, our Microfil® III media continues to provide superior contaminant capacity and filter element life.
- We were the first filter manufacturer to adopt multipass testing as a way to characterize and define filter element performance. These test methods are considered industry standards today.
- We developed proprietary mathematical models which we use in the research and development of Microfil® III and other filter media. We continue to use these models to develop superior media for numerous applications.
- We pioneered the use of dynamic environmental test chambers to test filters at temperatures to -60° F., simulating flight conditions at extreme altitudes. This equipment is also used to predict filter performance in hostile environments on the ground.
- We installed a filter medial development laboratory which also includes a state-of-the-art Fordrinier media-making machine. We use this laboratory for empirical testing of our proprietary media, models and designs.
- We developed and produced some of the industry's first integrated filter systems, which include filter element bypass valves, differential pressure indicators and remote electrical switches. Today, our Microdelta® switches and indicators are specified by numerous aerospace and industrial OEMs.
- We developed and authored SAE Specification ARP901, "Bubble-Point Testing of Porous Media." This specification has become the industry standard specification used to determine a filter media's maximum pore size.
For addtional information, the following PDF document may be helpful:
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Primer on Purolator Hydraulic & Lubrication Filter Media |
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More specific PDF files related to hydraulics
can be found here.
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