The 2-1/2" Double Check Valve Assembly OS&Y Female x Grooved by Zurn Wilkins is a robust backflow preventer designed for fire protection and plumbing systems. It’s ideal for facility managers and fire safety professionals who need reliable prevention of water contamination while maintaining efficient system flow.

• Size and Connection Type: Features a 2-1/2” diameter with an Outside Stem and Yoke (OS&Y) female inlet and a grooved outlet, ensuring seamless connection with fire suppression and plumbing pipelines.
• Durable Construction: Crafted from rugged, corrosion-resistant materials built to withstand high-pressure conditions typical in fire protection systems, promoting long-term durability with minimal maintenance.
• Double Check Valve Technology: Incorporates two independent check valves that provide reliable and redundant backflow prevention, safeguarding potable water supplies from potential contamination.
• OS&Y Design: The exposed stem design allows clear visual indication of valve status, simplifying inspections and easing maintenance for technicians.
• Effortless Installation: Grooved outlet connections speed up installation, reduce labor time, and ensure secure fittings that minimize leaks and align precisely with existing piping.
• Industry Compliance: Meets rigorous backflow prevention standards required for fire protection systems, suitable for commercial and industrial applications requiring safety compliance.

This double check valve assembly helps prevent reverse water flow, a critical concern in complex plumbing setups, by maintaining a controlled, contamination-free water supply for fire suppression. Its durable build and intuitive OS&Y design make it easy to inspect and maintain, ensuring reliable operation when you need it most. Compared to simpler valve systems, the double check valve structure offers enhanced protection, maintaining optimal pressure for effective fire response while reducing downtime. This assembly is a smart investment for any facility prioritizing water safety and regulatory adherence in fire protection infrastructures.