DEVICE OF ARTICULATION OF THE VALVE SEAL AND THE HOUSING OF THE MULTI-PASS WELL SWITCH Russian patent published in 2022 - IPC F16K11/85 

FIELD: oil industry.

SUBSTANCE: invention relates to the oil industry and is intended for switching the direction of oil from pipelines conducting oil from producing wells to a device measuring the flow rate of wells. The device of articulation of the valve seal and the housing of the multi-pass well switch, containing a housing with holes for connecting the working fluid supply pipes, a cover connected to a shaft rotating on ball bearings. At the same time, a valve with a seal is installed on the shaft, compressed by a spring to the opening of the switch housing for connecting the working fluid supply pipes, and the valve tension is made using a tension nut, while the valve seal is made of two materials in the form of a soft seal installed on the valve and a steel seal, compressed by a spring and being the outer part of the valve seal.

EFFECT: invention increases the reliability of the articulation of the carriage and the pipe by preventing the contact of the soft seal from the flow of mechanical impurities of the common collector, making the surface smooth, which preserves the integrity of the soft seal.

2 cl, 2 dwg