In reply to R C Macaulay's message of Sun, 30 Mar 2008 19:29:02 -0500: Hi, [snip] > Howdy Jones, >In my files under chlorine and salt water anomalies, I keep your posts on >this subject. > For some years we have puzzled over some of the (return for repair) >chlorine gas vacuum induction feeder mixers installed at Los Angeles and >certain other US locations always adjacent to oceans. Some salt water can be >present in the effluent. The units show severe "cavitation pitting" on >certain areas of the high speed rotating member. This member is made of UHMW >ultrahigh molecular weight poly and under NO circumstances should it "pit". >Of interest is that the pitting does not show as a typical cavition type >erosion as seen on centrifugal pump impellers which "rots" the bronze. The >pits on the UHMW appear to be " spike shaped" formed from a hot needle shot >into the plastic. Hmmm >Richard
It sounds as if the plastic is acting as a CR-39 replacement energetic particle detector. :) Regards, Robin van Spaandonk The shrub is a plant.
