Grinnell® Butterfly Valve, Series: B303, 4 in Nominal Size, Grooved, 300 psi, -30 to 230 deg F, Lever-Lock Actuator, Nylon Body, Ductile Iron/EPDM/Stainless Steel Trim, EPDM O-Ring, Rilson Pine Powder, Black, 4-1/2 in O.D
The Grinnell® model B303 butterfly valves provide for efficient control in piping systems of on/off or throttling/balancing service, fluid flow and bubble-tight shut-off. The valves are furnished with grooved ends for use with grooved couplings and can be easily adapted to flanged components utilizing Grinnell® Class 150 flange adapters.