Rupture Disk Device Quick Reference Guide

Rupture Disk Quick SigmaTM and Sigma EXLTMIP • Operating ratio up to 100% (CE) / 95% (ASME) • Full vacuum resistant • SRI-7RS, SRB-7RS and SRB-7FS pre-torqued safety heads • Solid metal construction enabling optimum leak tightness • Designed for non-fragmentation • Recommended for isolation of pressure relief valves • Metal tag with product identification and traceability data, as well as code symbol stamps as appropriate Burst Pressures *Standard, except aluminum *Standard, except aluminum *Standard, except aluminum Service Phase Manufacturing Design Range Cycle Life (resistance to fatigue)...

Safety Heads Pre-torqued Insert Design 1-40 inches (25-1,000mm) Disk Sizes Burst Pressures *Standard and Hastelloy® alloy C-276 *Standard, except aluminum *Standard, except aluminum Material Loading (direction of flow) Gas or liquid with gas pocket** Gas or liquid with gas pocket** Service Phase Manufacturing Design Range Cycle Life (resistance to fatigue) Vacuum Support Required Safety Relief Valve Isolation Safety Head Pre-torqued Insert Design Pre-assembled Insert Design SRB-7FSTM Full Bolted Design Extended Outlet / Disk Petal Containment Pre-assembled Insert Design

Rupture Disk Quick FRS Alternative Reverse Buckling Disks • FRSTM - innovative frustum design disk providing overpressure relief at low pressure; the circular score line has an interrupted ‘hinge’ segment which retains the disk’s central petal and prevents fragmentation • SVI™ - a single-use rupture disk assembly (no holder required) for isolating safety relief valves; For retrofit with fixed piping Burst Pressures *Standard, except aluminum *Standard, except aluminum with gaskets *Standard, except aluminum Manufacturing Design Range Service Phase Cycle Life (resistance to fatigue) Vacuum Support...

Safety Heads Disk Sizes Pre-assembled Design Burst Pressures Loading (direction of flow) *Standard *Standard, except aluminum *Standard, except aluminum Manufacturing Design Range Gas or liquid with gas pocket** Gas or liquid with gas pocket** Service Phase Holder Outlet Design, Unscored Portion of Disk Prevents Fragmentation RB-7RTM Safety Head Cycle Life (resistance to fatigue) Vacuum Support Required Insert Type Safety Relief Valve Isolation Safety Head Union Holder * Standard materials: aluminum, nickel alloy 200, Inconel® alloy 600, Monel® alloy 400, 316L ss, Hastelloy® alloy C-276 Special...

Rupture Disk Quick ***Vac-Saf® Rupture Disks Vac-Saf® Rupture Disks The Vac-Saf system offers twoway relief to provide maximum protection of gas or liquid storage vessels and plant from damage caused by excessive vacuum or overpressure. Also available in industrial versions for installation in standard companion flange safety head models. Sanitary Rupture Disks • GCR-S™ - the leading sanitary / aseptic rupture disk with integral gasket, installed directly to tank fittings • GCR-N™ - installs in a NovAseptic NA-connect® holder; The disk is flush mounted with the interior wall of the vessel for...

Reference Guide GCR-STM Disk Sizes Burst Pressures Loading (direction of flow) *Standard (not aluminum) and special *Standard (not aluminum) and special *Standard (not aluminum) and special *Standard (not aluminum) and special Manufacturing Design Range Service Phase Cycle Life (resistance to fatigue) Vacuum Support Required Safety Relief Valve Isolation Safety Head Standard materials: aluminum, nickel alloy 200, Inconel® alloy 600, Monel® alloy 400, 316L ss, Hastelloy® alloy C-276 Special materials: tantalum, titanium, Hastelloy® alloy C-22, Inconel® alloy 625 Gasket material options for the...

Rupture Disk Quick DTM Disk Sizes Burst Pressures *Standard, except aluminum Manufacturing Design Range Service Phase • XTTM - advanced rupture disk performance with an ‘X’ shaped score pattern; Designed for nonfragmentation; Excellent for relief valve isolation Cycle Life (Resistance to Fatigue) • XBTM - non-fragmenting rupture disk opens along pre-weakened score lines offers a broader range of burst pressures than the XN Vacuum Support Required Yes Minimally fragmenting with metal seal Yes Minimally fragmenting with metal seal Safety Relief Valve Isolation Safety Head Forward Acting Tension...

Reference Guide XBTM Disk Sizes Burst Pressures Loading (Direction of Flow) *Standard (not aluminum) and special Manufacturing Design Range Gas or liquid with gas pocket** Service Phase Cycle Life (Resistance to Fatigue) Vacuum Support Required Safety Relief Valve Isolation Safety Head Standard materials: aluminum, nickel alloy 200, Inconel® alloy 600, Monel® alloy 400, 316L ss, Hastelloy® alloy C-276, tantalum, titanium, Hastelloy® alloy C-22, Inconel® alloy 625 ** Consult BS&B

Saf-T-Graf® Monobloc Graphite Disks Other Pressure Custom Engineered Products Convenient, Economic, Corrosion Resistant Graphite disks are made from impregnated graphite offering low burst pressure and excellent corrosion resistance. BS&B graphite disks are supplied with integral gaskets for direct installation between international pipe flanges. The replaceable element range is installed in graphite or stainless steel safety heads before installation between pipe flanges. • 0.5-24 inches (15-600mm) • Burst pressures 0.25-1,000 psig (0.0269barg) • Temperatures to 400°F (205°C) - higher operating...

Relief Solutions Industrial Explosion Protection Vent-Saf® and Vent-Saf® Plus Type IPD system - explosion suppression and isolation systems detect the earliest stage of a deflagration by sensing the pressure wave that comes ahead of the flameball and uses the signal to activate delivery of an extinguishing agent A typical system consists of the following: • Sensor • Power supply module • System monitor Explosion Panels • Designed to protect equipment against damage in the event of deflagration of combustible materials • Explosion panels are low burst pressure membranes which are designed to be...