FIRE VALVE OF SUPER-HIGH PRESSURE Russian patent published in 2018 - IPC F16K17/38 F16K17/34 

FIELD: fire safety.

SUBSTANCE: fire valve of super-high pressure with an input and output comprises a spring-loaded closure element and retainer set in the inner cavity of the housing with possibility of interaction, a saddle with an inner hole, installed coaxially with the closure element, gas discharge holes and a hole communicating with the inner cavity, one end of the retainer is designed as a disc, spring-loaded on the side of the closure element, fixed by a fuse part, saddle and piston surfaces facing each other are provided with a metal cutting edge, the fuse part is made in the form of a disc. In the inner hole of the saddle there are an additional fuse part and a retainer in the form of a hollow rod with a disc, a welded bushing is placed in the housing hole, in the upper part of the bushing there is a membrane fixed by an insert in the form of a disc which is fixed by the piston, the upper part of which is made in the form of a disc, which interacts with the fuse part in the form of a disc.

EFFECT: preventing destruction of working tanks from excessive pressure in case of fire.

2 dwg