UMKEHRBERSTSCHEIBE ZUR DRUCKENTLASTUNG.

摘要

A safety pressure relief device and a rupture disc therefor, in which the relief device comprises inlet and outlet support members (12, 14) with the rupture disc (16) positioned therebetween. The rupture disc (16) has an annular outer flange portion (34) with a conical central portion (36) with the tip (40) of the conical portion being directed toward the inlet support member (12). Scoring may be provided on the onical portion for defining at least one line of weakness thereon.