About Product:1. Small volume, Simple structure and reliable performance. 2. The Valve Body has DC Channel design with large inlet and outlet size and large flow rate. 3 Float ball from being blown by high-speed air flow, which will lead to lubricating closure of the fluid port, And will not affect air inhalation or elimination. 4. The Power low pressure seal, it can keep good sealing under low pressure (0.3 bar) to get leakage. 5, all the components have corrosion to hold, Low maintenance frequency, long Service Life.