Ningbo Best Industrial Co.,Ltd Directional Control Valves offer some of the highest flow and pressure ratings in the industry today. making them the perfect choice whether you are designing a new system or just simply trying to get more out of your current system. Superior performance and durability makes these Directional Control Valves a great investment.Directional Control Valve size includes NFPA D03 through D10 mount patterns with flows up to 290 GPM and pressures up to 5000 PSI. A complete variety of valve actuation methods is available. AC and DC electric solenoid, lever, air pilot, hydraulic pilot, and mechnical cam.