VLAVE Russian patent published in 2001 - IPC

FIELD: positive-displacement valves for domestic mixtures. SUBSTANCE: valve has body with seat and inlet passage in its center, shut-off unit and drive. Shut-off unit is secured on drive at axial play; valve is made in accordance with the following relationships: A-B>C>0,5(A-B), where A is maximum stroke of shut-off member; B is maximum amount of axial deformation of shut-off member in opening/closing of valve and C is amount of play of shut-off member relative to drive. EFFECT: extended consumers' capabilities. 2 dwg