VALVE SYSTEM Russian patent published in 2021 - IPC F16K1/02 F16K27/02 F16K35/06 

FIELD: valves.

SUBSTANCE: valve system contains: an insulating manifold designed for selectively isolating the pressure transmitter of the technological fluid from the technological process, while the insulating manifold has a recess, a first opening for the fluid and a second opening for the fluid; a valve completely located inside the specified recess and located in the fluid between the first fluid hole and the second fluid hole, and the valve has a rotating needle with a tip, which is made to move relative to the valve seat during rotation, while the fluid communication between the first fluid hole and the second fluid hole is terminated when the needle tip interacts with the valve seat; a packing gland designed to fit inside the recess and designed to be screwed into the recess of the manifold; and a lock nut designed to fit inside the recess and designed to rest on the packing gland, the lock nut having a surface designed to engage with the end head.

EFFECT: invention makes it possible to exclude accidental damage or improper use of the system valves.

9 cl, 11 dwg