Re: Tank cars

Len wrote:
> "Howard Garner" <cascaderail@[EMAIL PROTECTED]
> wrote in message
> news:igh8k.11993$3F5.6929@[EMAIL PROTECTED]
> : bladeslinger@[EMAIL PROTECTED]
 wrote:
> : > On Thu, 19 Jun 2008 23:06:18 +1000, "Bill Whale"
> : > <wwhale@[EMAIL PROTECTED]
> wrote:
<snip
> I loaded tank cars at Pfizer Chemicals some years back. All I ever
> saw under the domes was pipes and pressure gauges. We had strict
> rules about how much material could be loaded into a car specifically
> to prevent expansion spills or tank/pipe ruptures.
> 
> I never got a good explanation why, but several materials were
> actually loaded through the 'discharge' valve on the bottom of the
> car. The air in the car vented out through a pipe on the top as it
> filled. It was your job if you overfilled and blew material out the
> top.

My wife says that some of the heavy diesels would work, loaded that way,
but
she can't think of anything else. (Her stories with loading tankers, train
and other, usually have to do with things like lox and hydrazine....)

        mark