EXPLOSIVE VALVE Russian patent published in 2009 - IPC F16K17/14 

FIELD: instrument making.

SUBSTANCE: invention relates to valve production, particularly to valves incorporating destructible shut-off element and is intended for pneumatic-and-hydraulic systems to allow constant communication between chambers of various main pipelines. Proposed explosive valve consists of body with control chamber and side chamber arranged aligned with the former and furnished with impact damper, aligned inlet and outlet branch pipes of working medium feed branch pipes. Inlet branch pipe represents a minor bottom cross section cup. The control chamber accommodates piston with pushrod arranged perpendicular to aforesaid cup. Aforesaid side chamber houses additional blind-radial-bore piston. Aforesaid inlet branch pipe bottom thrust against the said additional piston bottom. The additional piston side surface features a flat. The flat plane matches aforesaid minor cross section or is located below it.

EFFECT: higher reliability, inhibited ingress of destructed fragments into working fluid feed channel.

2 cl, 1 dwg