Thanks for your reply. Some clarification...the relief valves aren't pilot operated, they are simply spring closed poppet type relief/check valves.
They are in series becuase they each segregate a separate liquid filled chamber. So, the upstream most chamber relieves to the next, and the next...
If I have 3 total relief valves installed in series in a liquid filled system, how do I calculate the pressure required to start flowing out of that relief line (i.e. all 3 valves open)???
I know the Cv equation is 1/Cvt^2 = 1/Cv1^2 + 1/Cv2^2 + 1/Cv3^2, but is there another way to calculate the...
I am investigating a vessel that has 2 separate level measurement bridles tapped off of it. They are both tapped at the same heights. One of the bridles uses a float style level transmitter to indicate level. The other uses a Rosemount 5302 GWR.
The level indication between the two of these...
