Have you tried using a letdown valve station between the HP/LP steam
line?
- In PipingDesign@yahoogroups.com, Christopher Wright
<chrisw@s...> wrote:
>
> On Mar 1, 2005, at 7:37 AM, Ken Nisly-Nagele wrote:
>
> > Does anyone have experience, positive or negative, with the
practice of
> > piping high pressure return into low pressure steam mains?
> As a general rule, you don't connect a high pressure and a low
pressure
> system at all except maybe for a common vent to atmospheric
pressure.
> You risk having pressure control problems, and if the high
pressure
> system were to become restricted downstream of the connection for
any
> reason, you risk blowing up the low pressure system.
> Christopher Wright P.E. |"They couldn't hit an elephant at
> chrisw@s... | this distance" (last words of Gen.
> .......................................| John Sedgwick,
Spotsylvania
> 1864)
> <a href="http://www.skypoint.com/~chrisw/">http://www.skypoint.com/~chrisw/</a>
Received on Wed Sep 07 09:15:00 2005