Patent ID: 7051751

Claim:
A burst disk assembly for use in a pressurized gas system for venting pressurized gas from the system in the event that the gas exceeds a predetermined pressure, comprising: a body having a plug region, an intermediate region adjacent and contiguous with the plug region and a venting region adjacent and contiguous with the intermediate region, the plug region defining an end rim and having an open cross-section of constant diameter, the intermediate region having an open cross-section that is less than the open cross-section of the plug region, the plug region and the intermediate region defining a radial wall therebetween having a flat face, the venting region have an open cross-section that is less than the open cross-section of the intermediate region; a plug having a tapered cylindrical shape having a minimum cross-section that is less than the body plug region open cross-section and a maximum cross-section that is greater than the body plug region open cross-section, the plug having a through bore having a diameter less than the open cross-section of the intermediate region, the plug defining, at an end adjacent the minimum cross-section, a disk face; and a frangible disk configured for placement in the plug region and being sandwiched between the plug disk face and the body radial wall.