Quantitative filling system pneumatic valve, pneumatic valve by two, one of which pneumatic valve in the fully closed position punch 6mm. The initial filling, the two pneumatic valve fully open, and so filled to 80%, the drilling 6mm pneumatic valve closed, conducted by 6mm micro filling. After all the filling is completed, another pneumatic valve is closed, the filling is completed. Used in paints, powders, beverages, petroleum, petrochemical, chemical media and other quantitative filling automatic control system. Temperature: -20 ~ + 135 ℃ Connection: threaded, clamp, welding, socket weld, flanged, wafer Body material: 304,316,304L, 316L, WCB Ball Material: 316, ceramics, carbon Steel, 304 Seal Material: PTFE, PPR, ceramic, alloy steel Suitable medium: water, gas, oil, powder particles