Elfab Limited    Tyne & Wear NE29 8SD  United Kingdom
Feb 04, 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.

FIKE Corporation    Blue Springs, MO 64015 4263
Oct 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.

Elfab Limited    Tyne & Wear NE29 8SD  United Kingdom
Oct 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.

Continental Disc Corporation    Liberty, MO 64068
Jun 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.

Continental Disc Corporation    Liberty, MO 64068
Aug 03, 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.

Continental Disc Corporation    Liberty, MO 64068
Apr 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.

FIKE Corporation    Blue Springs, MO 64015 4263
Apr 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.

Continental Disc Corporation    Liberty, MO 64068
Jul 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.

Continental Disc Corporation    Liberty, MO 64068
Jul 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.

BS&B Safety Systems, Inc.    Tulsa, OK 74145
Aug 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.

Elfab Limited    Tyne & Wear NE29 8SD  United Kingdom
May 07, 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.

Elfab Ltd.    Erlanger, KY 41018
Apr 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.

Dynisco Instruments    Franklin, MA 02038
Mar 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.

Oseco, Inc., A Halma Group Co.    Broken Arrow, OK 74012-1449
Feb 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.

Elfab Limited    Tyne & Wear NE29 8SD  United Kingdom
Jan 04, 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.

Elfab Limited    Tyne & Wear NE29 8SD  United Kingdom
May 04, 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.

Elfab Limited    Tyne & Wear NE29 8SD  United Kingdom
Sep 01, 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.

Oseco, Inc., A Halma Group Co.    Broken Arrow, OK 74012-1449
Apr 11, 2005 Offered in sizes from 1–4 in., Model S-PRO-S combines bursting disk and sensor into single assembly with range of burst pressures from 16–150 psig. When disk bursts, sensor’s circuit is broken, triggering activation of alarm. Placement of sensor and disk scoring on vent side present smooth surface to process, minimizing product build up. Non-fragmenting design prevents contamination from rupture disk pieces entering process after bursting.

Oseco, Inc., A Halma Group Co.    Broken Arrow, OK 74012-1449
Dec 23, 2004 For processes that operate under vacuum conditions, rupture disks with vacuum support ensure that disk does not collapse under differential back-pressure and operates correctly. One-piece vacuum support eliminates potential failure sites and has smooth design that reduces accumulation. Rupture disks are suited for agricultural/bulk powder, aerospace, chemical, gas, petroleum, pharmaceutical, and power applications.

Oseco, Inc., A Halma Group Co.    Broken Arrow, OK 74012-1449
Dec 23, 2004 Fluoropolymer-booted insert holder is constructed with solid PTFE resin insert pressed into inner diameter of stainless steel holder. When used with fluoropolymer lined rupture disk, only fluoropolymer is in contact with corrosive media. Available in sizes from 1–8 in., non-torque-sensitive, flat-seated holder bolts between standard ANSI pipe flanges. It is compatible with forward acting and reverse buckling disk designs, and is suitable for applications up to 500°F.