The Wilkins Model ZW205FP Fire Relief Valve is designed for Fire Suppression Systems to relieve high system pressures. The pilot assembly reacts quickly to increase of upstream pressure to prevent damage to system piping, valves, and sprinklers while maintaining positive pressure on fire pumps. As the water demand increases in the Fire Suppression System the Relief Valve will start to close, directing more water to suppress fires. The Relief Valve will maintain the upstream pressure at the set pressure as long as maximum flow rates of the valve are not exceeded. The Wilkins Model ZW205FP is designed to open quickly and close slowly to prevent upstream pressure surges. The Wilkins Model ZW205FP is available in both globe and angle pattern bodies.
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