Rupture Discs

Fluid & Gas Flow Equipment

Rupture Discs are available constructed of Inconel 625.

August 27, 2014

Atlas 1 in. (DN25), 1.5 in. (DN40), 2 in. (DN50), 3 in. (DN80), and 4 in. (DN100) rupture discs are available with Inconel® 625 construction. Paired with G2 technology, this construction offers optimized corrosion resistance over entire temperature range and burst pressures from 60–1,500 psig. In addition to upstream and downstream use in oil and gas applications, geothermal installations, and desalination plants, discs can be used in aerospace, nuclear, and chemical processing industries. Read More

Fluid & Gas Flow Equipment

Rupture Disc Assembly relieves pressure of process media.

March 19, 2014

Threaded into pressure system, single-use WMP™ (Welded Muffled Plug) Rupture Disc Assembly relieves pressure of process media in over pressure condition to protect equipment, personnel, and environment. Solid metal tension acting rupture disc is welded to threaded outlet body and inlet ring for bubble-tight seal. Outlet body has hexagon shape head, and 6 holes in side of hexagon reduce reaction forces after rupture disc has burst. Read More

Fluid & Gas Flow Equipment

Rupture Discs withstand highly corrosive conditions.

May 29, 2013

HPX-Ta™ Tantalum semicircular scored reverse acting rupture disc is designed for use in corrosive media such as bromine, chlorine, HCL, nitric acid, or sulfuric acid. Holder corrosion resistance can be enhanced by Tantalum lining or coating of holder inlet and/or Tantalum coating of holder outlet. Also available, HPX® Rupture Disc comes in 1–3 in. sizes with burst pressures up to 2,000 psig. Both products are compatible with HPX® Insert, HPX-PT®, or HPX Double Disc holders. Read More

Fluid & Gas Flow Equipment, Green & Clean

Double Rupture Disc Assembly prevents contamination.

February 4, 2013

Available in materials ranging from stainless steel to Hastelloy and Duplex, Double-Disc Assembly comprises primary and secondary bursting discs that are both reverse-acting, both forward-acting, or combination, plus pressure gauge or switch to monitor space between discs. In event of chemical attack causing pinholing of primary disc, secondary disc prevents pollution of environment, while intermediate pressure sensor alerts process managers and maintenance teams of need to replace disc. Read More

Fluid & Gas Flow Equipment

Rupture Discs offer high pressure capability.

October 22, 2012

Based on G2 Technology, which is used to manufacture discs without use of hard score tooling, ATLAS Rupture Discs are free of stress zones that can fatigue. Units are available in sizes from 1–4 in. with burst pressure range of 60–1,375 psig and 95% operating ratio. Discs provide back pressure resistance and support liquid or vapor service. Read More

Material Handling & Storage, Fluid & Gas Flow Equipment

Pre-Torque Holders facilitate rupture disc installations.

October 11, 2012

Supplied in forward- or reverse-acting formats, Pre-Torque Holders are specifically designed to cope with installations where it is difficult to remove disc and holder separately from flange, and to minimize risk of disc slipping or of either component being damaged. Units are made of stainless steel for corrosion resistance, and comply with all internationally recognized flange standards. Holders are compatible with Elfab's Flo-Tel™+ magnetic burst detection system. Read More

Fluid & Gas Flow Equipment, Sensors, Monitors & Transducers

Reverse-Acting Rupture Disc is designed for European market.

June 24, 2011

Designed for European pharmaceutical, food and beverage, and biotech industries, SANITRX® LPX features instantaneous full-open relief area for protecting equipment, vessels, systems, and people from overpressure conditions. This stainless steel differential pressure relief device meets ASME BPE and USP Class VI criteria and has rated burst pressure of 0.3 min to 0.5 max barg @ 20°C. Solid metal construction provides cleanability for CIP/SIP applications. Read More

Fluid & Gas Flow Equipment, Sensors, Monitors & Transducers

Sanitary Rupture Disc offers performance of 250,000+ cycles.

August 3, 2010

Providing protection against overpressure conditions, SANITRX HPX(TM) scored reverse acting rupture disc can be pressurized from full vacuum up to 90% or 95% of rated burst pressure under normal operating conditions. This differential pressure relief device has instantaneous full-open, non-reclosing design is available with 90% or 95% operating ratios and range of burst pressures, materials, and sizes. Areas of use include pharmaceutical, biotech, and food and beverage industries. Read More

Fluid & Gas Flow Equipment, Sensors, Monitors & Transducers

Reverse Acting Rupture Discs operate up to 250,000 cycles.

April 30, 2010

Differential pressure relief HPX(TM) and HPX SANITARY rupture discs can be pressurized from full vacuum up to 90% or 95% of rated burst pressure under normal operating conditions. Instantaneous full-open, non-reclosing design protects equipment, vessels, systems, and people from overpressure conditions. Meeting ASME BPE criteria, HPX SANITARY discs suit pharmaceutical, biotech, and food/beverage industries. Both devices are offered in range of burst pressures, materials, and sizes. Read More

Material Handling & Storage, Fluid & Gas Flow Equipment

Rupture Disc Holders feature pre-torqueable design.

April 14, 2010

Made of 316 stainless steel, TQ+ Disc Holders allow rupture discs to be installed and torqued to recommended static load levels with proper clamping of rupture disc within assembly. Units come in standard sizes from 1-6 in. with serrated gasket faces per ANSI B16.5, and DiscLoc(TM) locator, which helps prevent inverted disc installation. Holders can be installed in multiple international flange rating configurations, including ANSI, JIS, DIN, and ISO. Read More

Fluid & Gas Flow Equipment, Mechanical Components & Assemblies, Green & Clean

Disc Assembly is designed for hydraulic braking systems.

July 10, 2009

Designed for hydraulic braking systems and yaw brake controls of wind turbines, rupture disc assembly provides leak-free overpressure relief for control valve/hydraulic accumulator system. It protects equipment from damage and down time in event of overpressure conditions. Disc assembly is available in wide range of sizes, materials, and burst pressure ratings for use in wind turbine protection applications. Read More

Fluid & Gas Flow Equipment

Rupture Disc Assembly operates within switchgear housings.

July 10, 2009

Featuring 90% operating ratio and solid metal design for corrosion resistance, Switchgear Overpressure Bursting Disc protects personnel and equipment from arcing faults, which may generate unsafe internal sulfur hexafluoride gas pressure. In event of internal arc fault, disc relieves internal pressure before it exceeds design limit of compartment. Any discharges are then directed away from locations where personnel may be present. Read More

Fluid & Gas Flow Equipment

Rupture Disks reach operating pressures of 95%.

August 14, 2007

Suited for process plants requiring optimal operating pressure in gas or liquid service, SIGMA EXL(TM) and SIGMA(TM) Reverse Buckling Rupture Disks feature SAF(TM) Technology to accommodate range of burst pressures. Design minimizes fatigue on rupture disk, optimizing plant uptime. Pre-torqued SRB-7RS Safety Holder allows disk to be removed and inspected without having to re-torque, while circular score causes rupture disk to burst without fragmentation. Read More

Fluid & Gas Flow Equipment, Plant Furnishings & Accessories

Rupture Panel ensures bucket elevators operate safely.

May 7, 2007

Lift-Gard provides venting and rupture notification to guard against damage caused by explosions in bucket elevators transporting powder and bulk solids. Made of stainless steel, flat venting system combines integral frame and Flo-Tel(TM) detection device in one unit. If Flo-Tel(TM) detects initial explosion inside elevator shaft, it automatically switches off elevator motors to reduce risk of further explosion and stop elevator operation with open explosion vents. Read More

Fluid & Gas Flow Equipment

ASME-Approved Rupture Disc suits low-pressure applications.

April 24, 2007

Tested to over 100,000 cycles, Opti-Gard(TM) SoLo is ASME BPVC Section VIII-approved and supplied in corrosion-resistant Hastelloy for applications from 2 psig. Disc fits all standard and Hygienic Opti-Gard holders and offers 95% operating- to burst-pressure ratio, with performance tolerance of 3%. Pre-fitted Integral Flo-Tel(TM) non-invasive, magnetic burst-detection system is fail-safe, only operating when disc has ruptured to eliminate false alarms. Read More

Fluid & Gas Flow Equipment

Rupture Disks suit extrusion applications.

March 16, 2007

Designed to provide emergency relief of excess pressure build-up, Rupture Disks are available for burst pressures from 1,500-15,000 psi. Intrinsically safe units provide accuracy of ±5% and feature standard melt temperature of 750°F. Choice of process connections includes ½-20 UNF mounting thread with lengths of 1.81, 3, 6, 9, and 12 in.; ½-20 UNF mounting thread with ¼ in. NPT fitting; M18 x 1.5 mounting thread; 5/8-11 NC mounting thread, and ¾-16 UNF mounting thread. Read More

Fluid & Gas Flow Equipment

Bursting Disk features fail-safe design.

February 22, 2007

Available in 316 SS, nickel, Inconel, and Monel, forward-acting, 24 in. FAS Disk is non-fragmenting, keeping disk pieces from entering piping system in event of disk burst. Unit can withstand full vacuum and will operate at up to 90% of stamped rating. Scored portion of disk is placed away from process, preventing product buildup and making it suited for sanitary applications. Non-torque sensitive design eliminates need for pre-torqued rupture disk holders. Read More

Fluid & Gas Flow Equipment

Bursting Disk is designed for low-pressure applications.

January 4, 2007

Intended for liquid, gas, or vapor applications from 2 psig, Opti-Gard(TM) SoLo reverse-acting bursting disk features 95% operating-to-burst pressure ratio and 3% performance tolerance. Unit comes pre-fitted with integral Flo-Tel(TM) non-invasive, magnetic burst-detection system, which is fail-safe and operates only when disk has ruptured. Standard construction is of corrosion-resistant Hastelloy®, but other materials are available upon request. Read More

Fluid & Gas Flow Equipment

Rupture Disk Holders suit forward- and reverse-acting discs.

May 4, 2006

Universal slimline rupture disk holders for Opti-Gard(TM) and Safe-Gard rupture disks feature standard face-to-face dimensions to facilitate replacement of existing holders. Holders incorporate multi-flanged design that interfaces with both Flo-Tel(TM) magnetic burst-sensing system and excess flow valves. Read More

Fluid & Gas Flow Equipment, Sensors, Monitors & Transducers

Pressure Relief Assembly prevents leakage problems.

September 1, 2005

Designed to prevent environmental contamination in severe process conditions, Double-Disc Opti-Gard comprises primary and secondary rupture discs, as well as pressure gauge or switch to monitor space between discs. In event of chemical attack causing pinholing of primary disc, back-up prevents pollution of environment, while intermediate pressure sensor warns maintenance teams. Disc is corrosion-resistant Hastelloy C267 and features ±5% tolerance. Read More