VALVE - FIRE SUPPRESSOR FOR RESERVOIRS FILLED WITH VOLATILE LIQUIDS Russian patent published in 2001 - IPC

FIELD: sealing-up gas space and equalization of pressure in reservoirs; automatic fire-fighting in case of burning of vapor-and gas mixture. SUBSTANCE: valve has plate engageable with seat and fire extinguishing unit. Chamber with extinguishing agent is tightly closed by means of self-breaking diaphragm. Outer diameter of plate provides for free escape of floe under action of excessive pressure in reservoir. Plate and seat are provided with edges located at angle relative to vertical in contact zone. Nozzle of fire extinguishing unit is widened at outlet directing the flow of extinguishing agent to zone of maximum mixing with vapor-and-gas mixture. EFFECT: enhanced reliability and safety. 1 dwg