Profile: Fike Protection Systems Ltd. provides pressure relief and explosion protection solutions. The bursting disc (also known as rupture disc or bursting disk), is designed to provide a leak-tight seal within a pipe or vessel, until the internal pressure rises to a pre-determined level. At that point, the bursting disc ruptures, preventing damage to the equipment from overpressure. We offer a complete line of cost-effective bursting discs, holders, and customer pressure relief devices which are compliant with global code regulations, and designed to meet or exceed industry requirements. Extruder rupture or bursting disc devices (also known as an ERD or Blow Out Plug ), is a pressure relief device designed for overpressure protection of plastic extrusion processes. Extruder disc applications are unique, each requiring a specific combination of dimensions, threading, and body configuration.