CONTROL VALVE Russian patent published in 2005 - IPC

FIELD: valving.

SUBSTANCE: control valve comprises housing with inlet and outlet passages, seat mounted inside the housing, and valve gate arranged coaxially to the seat. The valve gate has cylindrical section. The cylindrical section of the valve gate is mounted in the dummy cylindrical hall in the seat and is provided with through radial openings. The cylindrical opening of the seat is provided with radial through openings made in the wall. The valve has guide bushing secured inside the housing coaxially to the valve gate. The guide bushing is provided with through radial openings which connect the space of the bushing with the output passage. The valve gate is provided with the radial projection and mounted for permitting movement to the position at which the radial projection is in front of the radial openings in the bushing.

EFFECT: enhanced reliability.

1 dwg