Positive Displacement flow meters are the only flow measuring instrument that can directly measure the volume of liquid passing though the flow meter. These meters achieve this by trapping small ...

Using a purpose-built 500-l reference vessel and variable speed milk pump the repeatability and accuracy of two positive displacement milk meters (one with graphite piston, the other with hard plastic ...

The conveying direction is based on the turning direction of the rotors as well as the installation position of the stage. Depending on the assumption that the normal installation position provides ...