Articles

Pinning Fibers

Testing for broken fibers, the Integrity Test or IT. The Integrity Test (IT) procedure drains an entire rack of modules of water and then pressurizes the casing of the modules on the outside of the hollow fibers with air to 30 … Continue reading

Membrane Maintenance

Care and feeding of PALL micro-filtration modules The photo below shows the modified end caps on the raw water feed header. We welded a 2″ stainless steel by threaded nipple into the victaulic cap. To the threaded end we installed … Continue reading

The Integrity Test (IT)

How soon after the WFP came on line did the IT occur? So many times it has been observed that the WFP has been in “pause”, as programmed to do, during the same 24 hour timeframe that an IT ( … Continue reading