Specialty Testing

Some projects may require testing above and beyond NFC standard testing. In these cases NFC has the ability to design and construct specialty test stands to validate filter design requirements. NFC also maintains a list of approved suppliers to ensure your testing needs can be met.

The following examples are test stands constructed at NFC for non-standard tests:

Dirt Loading (hydraulic) - This NFC built test stand allowed ISO 12103-1 fine test dust to be added during test to determine the maximum amount (by weight) that could be added before the filter element under test catastrophically collapsed.  

Contaminated pressure drop (pneumatic) - This NFC built test stand allowed ISO 12103-1 fine and coarse test dust to be added during test to determine the maximum amount (by weight) of particulate that could be added before the filter under test could no longer pass contaminated pressure drop requirements.

亿万先生001Slam Start (Pneumatic)- This collaborative effort with Purdue University Zucrow Laboratory utilized high frequency pressure sensors and a fast acting solenoid valve to quickly release 0-4000 psi Helium across the filter under test in under 10 ms. 

亿万先生001The following are examples of non-standard tests conducted at approved NFC sub-tier test houses:

Cryogenic Sealing Test - This test was conducted by submerging a filter assembly into liquid nitrogen where the filter soaked for a given time period to ensure all surfaces were at the desired soak temperature, then helium leak testing was conducted at this temperature to ensure the seal operated as designed. 

亿万先生001Shock Testing MIL-S-901 - Several T-Type filters have been tested and approved per MIL-S-901 "High Impact for Mechanical Shock".

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