[Steam-engine] Valves seats

[David Myers]

Would that be Cole's Power Models?  

www.colespowermodels.com 

In my opinion, ball valves are not the best for steam
due to erosion at the edges of the ball.  They, as
well as plug valves (the best, I think) are very good
at throttling.  Wide open throttle makes no
difference, but there is a large difference at minimum
throttle.  It takes very little steam to make the
engine run at a slow 'tick-over'.

Dave Myers
Paw Paw, Michigan

--- Richard Strobel <Richard_Strobel7 at msn.com> wrote:

> Thanks Bob..I've never heard of Cole, but deal with
> McMaster all the time. 
> Very pleased with their service.   Appreciate the
> other info also!!!


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