Thanx for the help everyone. Our problem ended up being in the diffuser housing. The biggest source of leaks tunred out to be spotwelds made during the construction of the housing. Due to airflow paterns concentrations were occuring along the knife edge. Once the spotwelds were properly...
I have recenntly become involved in a Hepa filtration project and am having numerous "seal"failures when the units have been installed on site. The filters are equipped with a gel seal and knife edge. These however seem to be the source of the leaks. New gel seals have been installed with...