Disperser (dispenser valve) of big bags / with sleeve, Kirovohradsk region.

The big-bag mixer (dispenser valve) with a sleeve is a simple and effective tool used for controlled mixing (unloading) of soft containers (big-bags) with granular, loose, and fine-crystalline materials. With it, unloading big bags becomes much more convenient thanks to the possibility to close the container at the right moment. The operator independently determines the amount and speed of unloading the contents of the bag.

Distinguishing features of the RB-1 shredder:
(//tractor-service.com)
made of a steel pipe with a diameter of 150 mm and a wall thickness of 3 mm;
knives are made of steel 5 mm thick;
equipped with a valve that allows you to adjust the intensity of the output flow in a wide range.
The mixer can be additionally equipped with a PVC corrugation, which makes it possible to more accurately direct the flow of bulk material.