Pressure reducing valves (PRVs) are crucial components in high-rise sprinkler systems because they regulate water pressure to prevent over-pressurization of the sprinkler heads and piping on the lower floors. In a high-rise building, the static pressure from the water supply increases with elevation. Without PRVs, the pressure at the lower levels could exceed the maximum operating pressure of the sprinkler heads and piping, leading to leaks, damage, or even system failure. PRVs are installed at strategic locations throughout the sprinkler system to reduce the pressure to an acceptable level. They automatically adjust to maintain a constant downstream pressure, regardless of fluctuations in the ....
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