Tetra Pak Tetra Alfast 220 Direct Inline Standardiser This is an used Tetra Pak Tetra Alfast 220 Direct Inline Standardiser. This Tetra Pak Tetra Alfast 220 Direct Inline Standardiser includes 2 Nos Tetra 7847 LIquid Density Transducers, 2 Nos. Process Data PD340 Flow Transmitters, Valves & Control Panel with Tetra Alfast Control Mod, Process Data PD210 Dsplay, Chart Recorder etc & currently held in Lockerbie, Scotland and available for immediate sale. This Tetra Pak Tetra Alfast 220 Direct Inline Standardiser, was previously used at a major multinational dairy processing factory in Europe, on a Milk Pasteuriser Plant.