Bonney Forge HL51 3/4" Class 800 Bolted-Bonnet Ball Check Valve delivers reliable backflow protection for industrial piping. The HL51-T configuration uses a bolted bonnet, with a 3/4-inch nominal size, rated to Class 800 (1975 psi @ 100°F), and features a carbon steel body (A105) with HF trim and an integral HF seat. End connections include threaded 3/4" NPT, socket weld ends per ASME B16.11, and butt weld ends per ASME B16.25, accommodating a range of installation options. Full-port and standard-port variants are available within the HL51 line, designed for use in oil and gas, petrochemical, power, and general industrial piping applications.
