Spool-type hydrodistributors with internal diameter dy=6mm, with relay electromagnetic control. Performance schemes are conducted in accordance with Federal Standards 24679: 14,24,34,44,54,64A. 573, 574, 547A, 574E. Connecting dimensions of hydrodistributors with internal diameter dy=6mm are produced in accordance with International Standards 4401-80 “Volumetric hydraulic gear. Four-way hydrodistributors. Conjunctive surfaces”. Federal Standard 24679-81 “Spool-type Hydrodistributors for Pnom up to 320 MPa”