Precise fragmentizer RPW17-TN he allows to the crumbling oily materials of biological (flax seeds, white mustard). The ambition of the product of crumbling from the reservoir is the indispensable element of the process. The introduction of pneumatic transportation changes the working arrangement and the fall of the efficiency of the process of crumbling causes, even to the zero –what joins with blocking fragmentizer. The discussion was undertaken in the article over the possible law suits and constructional solutions of the industrial use of emptying the hypotensive reservoir.