This presentation contains construction diagram of all type of control valves. The function of control valve in a fluid power system is to control flow, regulate pressure and direct the fluid. It also starts and stops the systems. Control Valves Types: - Pressure Control Valves: Pressure relief valve, Pressure reducing valve, Pressure unloading valve - Flow Control Valves: Pressure Compensated valve, Non-Pressure compensated valve, Check valve, pilot operated check valve - Direction Control Valves: 2x2, 3x2, 4x2, 4x3, 5x2 sliding spool, rotary spool and seat & poppet type valves - Special Purpose Valves: Sequence valve, Time delay valve, Shuttle/ Double Check/ OR valve, Dual/ Twin pressure/ AND valve, Quick Exhaust valve