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PRESSURE REDUCING VALVE STATION

Controlled pressure regulation station for fire-protection risers and mains
  • A pressure-reducing valve station is designed to maintain a stable outlet pressure for fire‐protection systems, regardless of fluctuations in inlet pressure or system flow. It is commonly installed downstream of fire pumps or at riser zone transitions in tall buildings, delivering safe and consistent pressure to sprinkler systems and standpipes. This ensures that system components operate within their intended limits and improves reliability under varying supply conditions.
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Scope of Supply / Includes Short Description
DN150 Pressure Reducing Valve, globe type, ductile-iron body & cover, 300 psi, grooved ends, UL approved Main regulator valve for reducing high system pressure to safe downstream levels.
DN½" Pressure Relief Valve, bronze body with stainless spring, set at 175 psi, UL approved Safety relief valve to protect the station by releasing excess pressure above set limit.
DN150 OS & Y Gate Valve, resilient seated ductile-iron body, ANSI B16.1 Class 150 flanges, epoxy coated, 350 psi, UL/FM approved Isolation gate valve allowing maintenance or shut-off of the regulating station without system interruption.
Supervisory Switch, die-cast enclosure (red powder coated), one SPDT contact, UL/FM approved Electronic switch to monitor valve position and send supervisory signal to fire-alarm panel.
Pressure Gauge, 4″ dial, ABS case, polycarbonate window, ¼″ NPT connection, 0-300 psi range, UL/FM approved Visual indication of upstream or downstream pressure to verify correct operation of the station.
Three-Way Brass Globe Valve, 300 psi rating, UL approved Trim valve used to divert flow or test station configuration without interrupting system pressure.