The pilot valve is a pilot valve used to manipulate control mechanisms in other valves or components. The common features of the pilot valve 1) Pilot control liquid bridge with fixed liquid resistance, according to the input signal to the main valve or secondary valve or variable bar control; 2) The first pilot valve flow are generally only about 1 l / min , The largest 3 liters / min. Two pilot valve flow will be based on the actual need to decide. 3) The input signals are relatively small; 4) Can accept a variety of input methods, such as manual, electric, hydraulic, pneumatic, mechanical cam, electric ratio, etc .; Structure, a variety of functions to choose easy; 6) Pilot valve itself is often a small size control valve, mostly pressure control valve. More keyword search: Pilot valve