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BS 7403-12:2000
Full-flow lubricating oil filters for internal combustion engines. Filtration efficiency using particle counting, and contaminant retention capacity (British Standard)
This part of ISO 4548 specifies a multi-pass filtration test with continuous contaminant injection and using the online particle counting method for evaluating the performance of full-flow lubricating oil filters for internal combustion engines.
The test procedure determines the contaminant capacity of a filter, its particulate removal characteristics and differential pressure.
This test is intended for application to filter elements having a rated flow between 4 l/min and 600 l/min and with an efficiency of less than 99 % at a particle size greater than 10 μm.
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British Standards Institution [bsi]
