GATE VALVES Russian patent published in 2016 - IPC F16K3/02 F16K27/04 F16K3/30 

FIELD: manufacturing technology.

SUBSTANCE: slide in the valve body is made of steel. In the middle part of the housing, on the outer surface, designed mutually perpendicular plane relative to the vertical and horizontal axes, two of which are located opposite each other, equipped with fitting holes, the housing is equipped with a bottom cover attached from the bottom, with the seat located between the springs poppet and O-rings, in addition to the stem formed sections with trapezoidal left and right metric, wherein the top cover is fixed yoke formed in a sleeve equipped with a stepped internal surface and the base, above the base mounted nipple, one step in the inner surface of said yoke equipped with a threaded inside yoke upward are arranged respectively, and has: a biscuit, a bearing insert fusible nut push, fitted on the outer surface of the thread and the inner surface of the groove with disposed therein an O-ring on the end surface formed stepwise said yoke located at the flywheel and fixed position indicator rod in the lower and upper covers, through holes, perpendicular to the vertical axis of the slide valve, which are arranged to move the injection valves.

EFFECT: slide valve manufacturing technology.

4 cl, 7 dwg