PRESSURE REDUCING VALVES (DIRECT-ACTING)

A direct-acting pressure reducing valve operates through a single mechanism — a spring directly opposing system pressure on the valve seat or diaphragm. When downstream pressure rises above the set point, the force overcomes the spring, causing the valve to close slightly; when pressure drops, the spring reopens the valve. Because the spring acts directly on the main valve, these valves react quickly but are best suited for lower flow rates and smaller systems, such as individual hose valves or small zones.