Uni-Guard disc is designed to burst open at specific pressures and provide overpressure relief. Fitted adjacent to relief valves, the disc from Elfab Ltd. is designed to operate at low pressures within aggressive chemical environments and provide a fail-safe backup if valves jam. Available in sizes ranging from 0.98 to 5.91" (25 to 150 mm), burst pressure ratings are as low as 0.5 bar g. It can operate in temperatures ranging from -40 to 392°F (-40 to 200°C).
September/October 2000, RS# 244