ZW205FP

Fire Pump Relief Valve

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Zurn Wilkins

The ZW205FP Pressure Relief Valve relieves high system pressure in Fire Suppression Systems. Its pilot assembly reacts quickly to increases in upstream pressure, preventing damage to system piping, valves, and sprinklers while maintaining positive pressure on fire pumps. As water demand in the fire protection system increases, the relief valve closes to direct more water to suppress fires. The relief valve maintains upstream pressure at the set pressure amount as long as maximum flow rates of the valve are not exceeded. It features quick opening and slow closing features for prevention of upstream pressure surges, and is available in both globe and angle pattern bodies.

Where to Buy

Relieves pressure in fire protection systems while maintaining positive pressure on pumps
Inlet pressure gauge, wye strainer, and epoxy coating come standard to simplify start-up and maintenance
Standard adjustability from 50-200psi, other ranges available
Globe and angle bodies available
150 class flanged, 300 class flanged, grooved, and threaded end connections available for installation versatility