Failure?
Hi, Dale. Some time ago I posted a badly over-stated concern about the dripless seals. But, however overdone it was, I still worry about the manner in which these seals tend to fail, if/when they do fail. First, all evidence to date seems to say that the dripless mechanical seals are very reliable and the failure rate is very low. But..........When a traditional packing needs attention, it starts to drip, and you adjust it. And later on, if you don't do the needed maintenance, it will start to drip again, and you adjust it again. And again. And again. You get LOTS of warning that it needs attention before anything real bad happens.When the mechanical dripless seals fail, however infrequently that may be, they can fail with a gush rather than a drip. It is the possible mode of failure, not the likelihood or frequency, that worries me.We use and will stick with the dripless teflon packing; no drips during normal use, but no potential gushers either. If you want to use the dripless mechanical seals, we would suggest putting some thought into just how you will stem the gusher if it does happen.Carl and Jules/v 'Syzygy'