QUICK-ACTING GATE Russian patent published in 2022 - IPC F16K17/36 F16K17/40 

FIELD: blasting operations.

SUBSTANCE: invention relates to blasting operations, protection of the environment from explosive effects and development of technical devices for localization of explosion products. Quick-acting gate comprises a body with a through hole for a pipeline and a gate connected to an explosive drive and installed in a groove of the body with the possibility of translational movement perpendicular to the pipeline axis. Shutter is made in the form of a plate with a high class of surface finish and has a through hole corresponding to the size of the through hole of the body. Shutter is inserted into the groove between the sealing elements arranged in the grooves made on the side of the groove concentrically to the through hole, provided that the shutter hole is aligned with the body through hole. Edge of the plate has a shaped flange facing the blasting drive, which is placed in a cavity communicating with the slot, which is formed inside the housing or outside it.

EFFECT: invention is aimed at improving reliability of tight shutoff of pipeline with high speed.

1 cl, 2 dwg