A high-speed solenoid valve apparatus has a body, and a high-speed solenoid valve section and a logic valve section disposed in the body. Instrumentation Ball Valves The high-speed solenoid valve section includes a solenoid valve outlet port communicating with a body outlet port, a solenoid valve sleeve including a solenoid valve inlet port, and a spool for opening and closing a communication path between the solenoid valve inlet port and the solenoid valve outlet port. The logic valve section has a logic valve sleeve guided by the inner wall of the body, having a logic valve inlet port communicating with a body inlet port and a logic valve outlet port communicating with the body outlet port,Plug Valves a poppet for controlling a communication path between the logic valve inlet port and the logic valve outlet port, a control chamber formed in the poppet and communicating with the logic valve inlet port via a small-diameter penetration hole, WATER POWER CONTROL VALVEa return spring for applying a restoring force to the spool and the poppet, and a plate disposed between the solenoid valve sleeve and the logic valve sleeve and communicating between the control chamber and the solenoid valve inlet port. The solenoid valve sleeve and the plate are directly guided by the inner wall of the body, the solenoid valve outlet port is directly formed in the solenoid valve sleeve, and the solenoid valve sleeve, the plate and the logic valve sleeve are disposed in the body in closely stacked relation.

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