We prefer the Dezurik plug valves in our system.
PLUG VALVES
1. Type: Non-lubricated eccentric.
2. Rating: 150-psi W.O.G.
3. Ends: Flanged. Flanged valves are faced and drilled to ANSI/ASME B-16.42.
4. Laying Length: Through 12 inch, flange face-to-face dimensions equal to standard gate...
This should be a basic questions, but it seems that everyone has a different opinion. If I am figuring our the static head for a system curve of a pump and force main, which number is used, the high point in the force main, or the discharge elevation? For discussion, say pump on is at elev...