VALVE ASSEMBLY FOR MEASUREMENT DEVICE Russian patent published in 2015 - IPC F16K37/00 F16K27/12 G01D11/24 

FIELD: measurement equipment.

SUBSTANCE: invention relates to valve industry and is designed for use as a connection device for measurement instruments. A valve assembly for a measurement device comprises a jacket (1, 2) of the valve and a body (16) of the valve. The body (16) has a bottom surface (161), arranged to create a border surface of the product and comprising a hole (162), facing the specified product. The specified unit additionally comprises a central segment (15) with a measurement cavity (151) passing through it and designed for placement of the measurement device (5), and a locking facility (4) for opening and closing of the specified valve. The central segment (15) is installed as capable of rotation on the specified body (16) of the valve. Movement providing for opening/closing of the specified valve is rotary movement of the central segment (15) around the central axis (A). The bottom surface (161) of the valve body (16) is arched. The lower surface (158) of the central segment (15) is an arched surface made as capable of providing for matching with the specified arched bottom surface (161).

EFFECT: invention is aimed at increasing tightness of a valve assembly during measurement.

13 cl, 14 dwg