Quote:
Originally Posted by mattylad
Would a simple inline tap turned 1/2 off reduce the pressure rather than an expensive PRV?
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No, it would only reduce the flow.
Imagine lets say a 2 foot diameter pipe, at the top of it there are two pipes coming out of it, one is 6" diameter and the other is 3" diameter, if the system is closed and put under pressure, the pressure will be the same in all 3 pipes, when open though the flow will be a lot greater from the 6" pipe