MICRO FLOW CONTROL STRAIGHT VALVE Russian patent published in 2020 - IPC F16K1/12 

FIELD: valve industry.

SUBSTANCE: proposed invention relates to valve industry, in particular to control valves used in industrial pipeline fittings. Micro flow control straight valve comprises inlet and outlet branch pipes, housing with cover, between which cover gasket is installed. Said seat accommodates seat with seal contacting cylindrical separator with holes on side surface. Vertical drive rod with plunger, wherein guide rod is fitted on the rod and a chevron pack. Two diametrically located rectangular cutouts are made in side surface of separator, which are connected in upper parts with holes in separator. Large sides of the slots are arranged vertically. One of the slots is closed on the outer side by the inner wall of the distributing sleeve, which is coaxially located between the opening in the body and the separator and the contacting bottom end face with the seat. Second cutout communicates with outlet branch pipe via rectangular opening in distributing bush with larger side arranged vertically and plunger having cylinder conic shape.

EFFECT: invention is intended for adjustment and closing of the working media fluids and gases.

1 cl, 3 dwg