4" Double Check Valve Assembly With Grooved BFV 4" Doublecheck detector N Patgrooved Btrfly the HDR 13D enhances fire

the HDR 13D enhances fire safety confidence and code compliance for residential properties

preventing gaps and potential fire protection compromise

By using this fitting

offering exceptional mechanical strength and resistance to corrosion in demanding settings

code-compliant unit

4" Double Check Valve Assembly With Grooved BFV 4" Doublecheck detector N Patgrooved Btrfly the HDR 13D enhances fireThe 4" Double Check Valve Assembly with Grooved Butterfly Valve by Viking is designed for fire protection professionals seeking dependable backflow prevention and efficient flow control in commercial and industrial sprinkler systems. Its rugged construction and seamless integration offer a reliable solution to maintain water quality and system safety. Durable Construction: Crafted from high grade ductile iron with strong seals to resist corrosion and