200X pilot valve for high-rise, high-rise building design, 200X pilot valve is to solve the high-rise building domestic water, fire water system, requiring flow, ideal for high sensitivity occasions. 200X pilot valve superior performance, completely replace the middle of the tank, saving the cost of building the middle of the tank, the expanded use of the area of ??the building. Features: ◆ new structure is reasonable, rational use of hydraulic principles of cybernetics ◆ steady, reliable, high-volume traffic ◆ slow quick opening and closing the valve, water hammer impact (off time adjustable) ◆ minus high voltage accuracy, adjustment range ◆ good sealing performance, long life time ◆ easy installation and maintenance