GRX

Machine parts, namely, rupture discs for defined reductions in pressure; pressure valves, in particular valves, being parts of machines

Autonomous protective devices comprised of flow meters, measuring apparatus and infrared electric detectors, for measuring the level, speed, density and flow rates of liquids, gases, bulk solids and mixtures thereof for safety purposes, and component parts thereof; autonomous protective systems in the nature of explosive containment vessels comprised of components with safety function, namely, bursting discs and rupture discs for controlling, monitoring and protection of and against high and low pressures and vacuum conditions resulting from explosions