When installing a backflow preventer and PRV in series, which would you install first and why?
I choose the PRV first, then BFP arrangement, since I always assume the more moderate the pressure imposed on a system component (e.g., the BFP), the better.
Does it matter?
On a number of industrial projects, I have laid out the aboveground domestic water serving plant restrooms, cooling towers, etc. with a grid, or loop, feed. The loop feed allows us to minimize the pipe sizes and velocities while meeting relatively large demands. The loop feed is of course...
