Piston Check Valves

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Piston check valves are designed to ensure unidirectional flow and prevent backflow in systems. The valve opens when inlet pressure lifts the piston, allowing media to pass. If the inlet pressure falls below the outlet pressure, the piston seals the valve, halting flow and protecting the system from contamination. Ideal for low-flow and low-viscosity applications, these valves are widely used in industrial, manufacturing, and treatment processes. Inline piston check valves facilitate straight-through flow without directional changes, while Y piston check valves feature an angled design to lower flow resistance and reduce system pressure drops.