Available in sizes from 2–12 in. and rated to 300 psi, silicon-free BFV-300 has tapping boss locations that accelerate upstream direct connection to deluge valve and downstream connection of additional components or drainage for dry maintenance. Traveling nut gearbox has one moving part, and gearboxes are sized to accommodate reduced weight requirements. Other features include grooved or wafer connection as well as supervisory open and closed options.