| 摘要 |
<p>the disc comprises an essentially flat, non-apertured disc body presenting opposing first and second disc surfaces, and including a circular, central region and a flat annular flange surrounding the central regions. There is an arcuate lien of weakness circumscribing the central region except for a portion of the circumference of the central region defining a hinge. The central region is divided by a diametrical ridge into two side-by-side semicircular halves within which the disc is bulged to form a number of separate concavo-convex bulges in the body. aDVANTAGE - Provides a multiple-dome, scored, reverse-acting rupture disc which eliminates the need for knives within the assembly, while providing reliable operation at relatively low pressures.</p> |
