The 3" Double Check Valve Assembly with OS&Y Female x Gasket connection is designed for fire protection professionals and industrial water systems requiring reliable backflow prevention. It ensures water purity and system integrity by effectively blocking non-health hazard contaminants from entering potable water supplies.

• Robust Construction: Fusion-bonded epoxy-coated ductile iron body resists corrosion and mechanical stress, suitable for underground or mechanical room installation.
• Durable Internal Components: Uses 300-series stainless steel springs and fasteners to maintain consistent valve operation in demanding environments.
• High-Strength Check Modules: Glass-filled Noryl™ thermoplastic offers dimensional stability and wear resistance for long-lasting performance.
• Reversible EPDM Seats: Replaceable elastomer discs create a secure, watertight seal to minimize downtime during maintenance.
• OS&Y Gate Valve Design: Outside screw and yoke mechanism provides clear visual indication of valve position, simplifying inspections and compliance with NFPA standards.
• Regulatory Compliance: UL Listed under UL 1469, FM Approved, and meets ASSE 1015 and AWWA C510 standards for fire service and potable water applications.
• Operational Capabilities: Rated for continuous pressure up to 175 PSI and temperature range from 33°F to 140°F, meeting typical fire protection system requirements.
• Versatile Connection Options: OS&Y female threaded inlet combined with gasketed outlet supports leak-proof connection to flanged or grooved piping systems.
• Flexible Installation: Compatible with both horizontal and vertical (upward flow) installations for adaptability across various facility layouts.

This valve assembly enhances fire protection systems by providing dependable backflow prevention that safeguards potable water quality. Its rugged durability reduces risk of failure over time, while the OS&Y design allows straightforward visual inspections to meet strict fire safety codes. Ideal for facility managers and installers, it offers performance reliability without complicated maintenance or pressure loss, ensuring your fire suppression infrastructure remains operational and compliant when it matters most.