Rupture Disk Selection Guide Disk Series AC (Acid Car) 2” AAR rubber covered safety vents Disk Mounting Flow Direction Transportation Rupture Disks Sizes in. /mm ARD in. 2 RC mm 50 AC TD Graphite rupture disk RC (Rail Car) 2” AAR metal seated safety vents Standard Pressures psig / barg psig 60, 100, 165 barg 4.14, 6.89, 11.38 TCP-NR in. 2 RC psig TCP-S ARD mm 50 ARD Graphite rupture disk TD Standard ASME B16.5 Class 150 flanges ICP AC ARD RC TD 2, 3, 4 in. RC AC TCP-NR mm 50, 80, 100 TCP-S AC TD TCP-NR TCP-R TD Graphite rupture disk ICP Standard ASME B16.5 Class 150 & ISO flanges TCP-S ICP in. TCP-NR TCP-R 2 1/2 & 3 mm 65, 80 ICP ARD ICP RC RC AC Solid metal scored, non-fragmenting design disk TCP-NR / TCP-R TCP-NR Fits standard tank car safety vents AC TD Fits standard tank car safety vents TD in. 2 psig TCP-NR mm 50 TCP-R Composite metal, fragment resistant design disk TCP-S Fits standard tank car safety vents TCP-NR TCP-S TCP-S ARD TCP-R TCP-R RC ICP ICP AC in. 2 TD mm 50 TCP-NR TCP-S TCP-R Solid metal scored, non-fragmenting design disk Note: Standard operating ratio is stated as a % of minimum burst pressure (including burst tolerance) ICP psig 75, 100, 165 barg 5.17, 6.90, 11.38 90% NO PED TÜV 75, 100, 165 barg 5.17, 6.90, 11.38 55% NO PED TÜV TCP-S psig TCP-R ARD 54.4, 63.8 barg 3.75, 4.40 90% Consult ZOOK PED TÜV psig 30, 35, 40, 45, 50 barg 2.07, 2.41, 2.76, 3.10, 3.45 90% NO ASME UD PED TCP-R 60, 100, 165 barg 4.14, 6.89, 11.38 90% NO PED 90% NO PED Standard Operating Ratio Vacuum Support Required Certifications Features • PTFE & Viton liner on process side • Carbon Steel Armor • TFE coated green • Non-Asbestos gasket on vent side • PTFE & Viton liner on process side • Carbon Steel Armor • TFE coated green • Non-Asbestos gasket on vent side • PTFE liner on process side • Carbon Steel Armor • TFE gasket on pressure side • Non-Asbestos gasket on vent side • TFE coated green • Nickel disk construction • PTFE gasket & PFA liner on process side • 316 locating ring and PTFE gasket on vent side • Custom pressures also available • 316 construction w/PFA seal • 316 locating ring on vent side • Supplied with PTFE inlet gasket • Custom pressures also available • Nickel disk construction • PTFE gasket & PFA liner on process side • 316 locating ring and PTFE gasket on vent side • Custom pressures also available Liquid & Gas Liquid & Gas Liquid & Gas Liquid & Gas Liquid & Gas Liquid & Gas Service 7 Rupture Disk Selection Guide