Dosing installation for prod. under pressure - utilises sealed and sterile cylindrical dosing enclosure with paddle rotating about axis

摘要

The dosing installation is for product ranging from liquid to plastics under pressure. The cylindrical dosing enclosure is sealed and sterile to permit dosing of sterile products without risk of contamination. The doser comprises dosing cylinder with ends fitting onto case with inlets and outlets for two chambers. These are variable and in opposition due to paddle which rotates about an axis. An operating cam drives axis in response to commands from controller. Blocking valves control product flow into and out of doser to ejection nozzles.