Further on the subject - newer larger covered hoppers designed to be sealed for hauling commodities like flour or similar commodities have also imploded from improper ventilation, as well.
Bob Nicholson ____________________________________________ --- In [email protected], "shabbona_rr" <user141...@...> wrote: > > I just couldn't recall hearing or seeing one of the older tank cars > imploding. That isn't saying it didn't happen, but maybe it was less likely > or prevalent because of lower volume. I did, however, have an older tank car > split an end and begin pouring gasoline all over the ground, in a refinery of > all places. That got some attention, I'll guarantee it! > > Bob Nicholson ________________________________ > > > > --- In [email protected], "raisinone" <raisinone@> wrote: > > > > I wondered if that was what you were talking about; you kind of hosed it up > > so I couldn't tell... > > > > The tubing is actually Teflon, 14G light wall. It is available from Small > > Parts Inc in 10' coils, part #STT-14-10. > > > > BTW Bob, it doesn't matter how many rivets you use or how 'old school' your > > thinking is, physics always wins. A tank has amazing strength with respect > > to pressure and almost none with respect to vacuum. We carbonated beer in > > 50,000 gallon stainless horizontal tanks at 32 PSI, but the vacuum breaks > > used during CIP were set at negative 3 PSI. > > > > You busted your butt not to break one since it let in outside air and the > > tank had to be re-cleaned. If it froze you were toast! I've seen 1" steel > > walled tanks, 22 feet in diameter reduced to sides almost touching after > > being sucked in owing to a frozen vacuum break - as I recall the entire > > work force swore "it didn't happen on my shift"... I suppose in that > > respect brewers are like railroaders... <G> > > > > Jim Kindraka > > > > > > > > --- In [email protected], "shabbona_rr" <user141771@> wrote: > > > > > > I got a short sample from Jim Kindraka after talking to him in Duluth. > > > Somewhere I have the name of the firm that offers it. If he doesn't see > > > this and post it first, I'll look it up. > > > > > > Bob Nicholson __________________________________________ > > > > > > > > > --- In [email protected], Paul Vaughn <pv_sn3@> wrote: > > > > > > > > > > ------------------------------------ Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/S-Scale/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/S-Scale/join (Yahoo! ID required) <*> To change settings via email: [email protected] [email protected] <*> To unsubscribe from this group, send an email to: [email protected] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
