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