Rupture Disks BSBSystems.com | BSB.ie Visit our website for the most complete, up-to-date information Tank Car Rupture Disks The BS&B type TCTM rupture disk for railroad tank car service is designed to conform with ICC regulations. The highly accurate disk is adaptable to standard threaded or bolted type tank car fittings. If dimensions of tank car fittings are different from the ones shown, BS&B will design a special disk on request. Type TC tank car disks US patents 2,954,897; 3,698,598; and international patents apply The pressure zone of the TC disk is the slotted top section. fluoropolymer seal isolates the top section from contents of the tank. Vacuum support prevents excessive downward movement of the seal should the disk be subjected to vacuum during unloading or while the car is in transit. Vacuum support also protects the disk when the car is in transit or being “humped.” The tank car ring located on the atmospheric side of the disk protects controlled pressure zone of the disk even though ID • Available in standard AAR burst ratings • Simple installation • Accurate • Superior cycle life under pressure cycling conditions • Top section: Inconel® (alloy 600) • Vacuum support: 316 stainless steel • Tank car ring: 316 stainless steel • Gasket: fluoropolymer • Seal: fluoropolymer Special materials available on request Inconel® is a trademark of Inco Allo

The type SR-TC™ rupture disk is a surge-resistant rupture disk for railroad tank cars and over-the-road trailers. It is designed for direct installation on to standard threaded or bolted type tank car fittings and is available in standard AAR burst ratings. Type SR-TC rupture disks The slotted top section is protected by a tank car ring which also ensures burst accuracy. A vacuum support prevents damage to the disk, should the disk be subjected to vacuum during unloading or while the tank car is in transit. A spacer ring is located above the FEP / PTFE seal and the top section. The TC or SR-TC...