Selection guides and maintenance notes
Written by people who handle filter failures every week. No press-release reposts.
How often should you change a construction machine air filter? Stop using the handbook hours
The same excavator can get twice the filter life in a factory yard as in a quarry. The reliable trigger is restriction, not hours. Here is a practical method and a field checklist.
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3 μm, 10 μm or 25 μm hydraulic filters — picking wrong costs more than it saves
Finer is not automatically better: finer media means higher pressure drop, shorter life and more energy use. The goal is matching filtration rating to the system’s target cleanliness level.
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Spotting a counterfeit filter: five checks you can do on the loading dock
A counterfeit can look almost identical. Media, end-cap adhesive and the bypass valve are the hardest things to fake — here are five checks that need no instruments.
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China VI truck fuel filtration: why China V part numbers no longer apply
China VI engines run higher common-rail pressure with tighter injector clearances, so fuel cleanliness and water separation requirements are much stricter. Reusing China V filters can cost you a full set of injectors.
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Time to change the compressor separator? Watch pressure drop, not the hour meter
Every 0.1 bar of extra separator pressure drop adds roughly 0.7% to a screw compressor’s energy use. Calendar-based changes either waste elements or quietly inflate your power bill.
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How should a fleet stock filters? By downtime cost, not by usage volume
Many fleets stock by historical usage and end up short on the parts that fail often and overstocked on the ones that do not. Ranking by downtime cost times stock-out probability puts money where it actually matters.
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