FIELD: machine building.
SUBSTANCE: fluid medium valve includes the following: a valve body having a curved inner surface for installation of a seat ring and a seat ring having a sealing surface for receiving the moved control component and a curved surface located opposite the sealing surface for connection to the curved inner surface of the valve body. The seat ring is adjacent to the valve body with possibility of being offset. Curved inner surface of the valve body corresponds to curved surface of the seat ring. Curved inner surface of the valve body and curved surface of the seat ring are either spherical, or conical, or elliptical.
EFFECT: proposed device and method of alignment of the seat ring position in the valve exclude the possibility of leakage caused with misalignment of position of valve components.
22 cl, 4 dwg
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