The AZODOS® dosing unit, type P … DV for volumetric dosing of powder products into weighing and production processes. The unit can be used in the food industry as well as in the pharmaceutical, chemical and plastics industries wherever production processes require coarse/fine flow at a uniform mass flow rate. In connection with a weighing device, the unit can be built up to the AZODOS® type P... DW dosing system for gravimetric product feed to production processes.