The FlowGuard SV Check Valve is engineered for durable, fail-safe protection against backflow in critical piping systems. Available in multiple configurations, our flagship Swing Check Valve model ensures low-resistance, reliable one-way flow with minimal pressure drop. It excels as a Water Check Valve in residential, commercial, and irrigation applications, preventing contamination and protecting pumps. For systems requiring certified safety, this valve meets the essential function of a Backflow Preventer, safeguarding potable water supplies. Constructed from robust materials for longevity, this versatile Check Valve is the trusted solution for maintaining system integrity and preventing costly reverse flow damage across countless industrial and municipal installations.