Ball Valve, RKH Series, 3/8″ F x F 5880 PSI, Stainless Steel by | Jul 27, 2026This 8.709-277.0 High Pressure RKH Series Stainless Steel Ball Valve features a 3/8″ F Inlet and a 3/8″ F Outlet. The valve includes Viton O-Rings and Delrin Ball Seats for enhanced durability and performance.