The 4" Double Check Assembly with Grooved Butterfly Valve is engineered for plumbing and fire protection professionals seeking a dependable backflow prevention solution. Designed to safeguard potable water systems from contamination, this assembly combines robust construction and efficient operation, making it ideal for both commercial and residential fire suppression systems.

• Durable Construction: The main body is made of fusion-bonded epoxy-coated ductile iron (ASTM A536), ensuring strong resistance against corrosion and mechanical wear in demanding environments.
• Corrosion-Resistant Internals: Internal check components feature 300-series stainless steel springs and fasteners to maximize durability and longevity even in water with varying chemical compositions.
• High-Strength Check Modules: Utilizes glass-filled Noryl™ thermoplastic, providing consistent performance under fluctuating flow rates and pressures.
• Reversible EPDM Valve Seats: The butterfly valve seats are crafted from EPDM elastomer, which can be reversed or replaced to maintain a tight seal, preventing backflow and protecting water quality.
• Patented Grooved End Design: Complies with AWWA C606 standards, offering quick, leak-resistant installation with grooved pipe coupling that simplifies retrofits and new system builds.
• Integrated Butterfly Valve: Provides a compact, quarter-turn shutoff valve incorporated directly into the assembly, reducing footprint and installation complexity.
• Certified Compliance: UL Listed (UL 1469), FM Approved, ASSE 1015 certified, and meets AWWA C510 criteria—ensuring reliable performance that aligns with strict industry safety and quality standards.
• Operational Range: Rated for up to 175 PSI working pressure and suited for water temperatures from 33°F to 140°F, supporting a wide variety of fire protection and plumbing applications.
• Versatile Installation: Compatible with horizontal or vertical upward flow orientations, offering flexibility in confined mechanical spaces or complex piping configurations.

This assembly addresses critical concerns around water contamination by preventing backflow in fire sprinkler systems, irrigation setups, and building water supplies. Its compact design and integrated grooved butterfly valve reduce installation time and leak points, streamlining maintenance and enhancing system reliability. Ideal for contractors upgrading existing plumbing or designing new fire protection networks, this product provides consistent protection against backflow without sacrificing operational efficiency. By meeting rigorous certification standards, it assures compliance with municipal regulations while delivering robust performance in diverse environments.