Profile: BS&B Safety Systems, Inc.manufactures rupture disks. We produce and market explosion vents, burst disk sensors & monitors, graphite rupture disks and specialty valves. We use state-of-the-art production methods including precision machining, CAD/CAM, electron beam and laser welding. We manufacture graphite rupture disk from a pure block of graphite. Our VAC-SAF line offers protection from excessive vacuum or overpressure.