"Piping Materials Guide"
by Peter Smith
1st Edition, 2005
The back cover calls it "the only book of its kind on the market." Well..., I was not impressed, though.
Ever since I have read the book open-eyed for the first time I have wanted start a thread compiling the surprisingly high number...
On the website of SpiraxSarco, which normally is an excellent source of information, I have read that due to their design, tilting disc check valves were limited to liquid applications only.
http://www.spiraxsarco.com/learn/html/12_3_01.htm
This information was new to me. Moreover, in the past...
