Mixing unit УС-4481-19 is designed for transportation of dry powdery materials (cement, plugging mixtures, etc.) in a hopper, mechanically regulated supply of these materials by screw conveyors to the receiving chamber and preparation of plugging solutions in the mixing device during cementing of oil and gas wells.

Types of climatic execution are M (moderate) and T(tropical), placement category -I according to GOST15150. The unit works together with cementing unit, from which pump water is supplied to the mixing unit.