Pressure Relief Solutions

Transcription

1 Pressure Relief Solutions Rupture Discs Explosion Vents Detection Images L-R top-row: Opti-Gard, Opti-Gard SoLo L-R botto

2 Contents Company Profile 3 Reverse Acting Discs Opti-Gard 7 Opti-Gard SoLo 8 Milli-Gard 9 Forward Acting Discs Safe-Gard 10 Flat Composite 11 Domed Composite 12 Conventional Domed 13 Graphite Disc Universal Arma-Gard 14 Hygienic Discs Opti-Gard Ferrule / Opti-Gard Ferrule SoLo 15 Rail Car Discs Tank-Safe 16 Intermodal Container Disc 17 Rupture Disc Holders 18 Rupture Disc Burst Detection Flo-Tel 19 Flo-Tel XD 20 Wireless Flo-Tel 21 Rupture Disc Accessories 22 Explosion Vents Single-Skinned Flat / Domed 23 Multi-Layered Flat/Domed 24 Ribbed 25 Lift-Gard 26 Thermal Explosion Vent 27 Hygienic Explosion Vent 28 Explosion Vent Burst Detection Vent-Tel 29 Tank Protection Products Flame Arresters 30 Breather Valves 31 Vacuum Pressure Relief Valves / Emergency Vents / Gauge Hatches 32 OEM & Rupture Disc Plugs 33 Quality Certificates & Approvals 34 ElfabTech 35 Elfab Training and Seminars 36 Explosion Vent Comparison Table 37 Rupture Disc Comparison Table 38 2

3 Company Profile Manufacturing Excellence About Elfab Manufacturing Facilities Leading the industry in pressure management innovation As a global manufacturer of rupture discs, explosion vents and associated detection systems, Elfab s intelligent pressure relief systems protect people, plant, processes and the environment across the globe. With the most technically advanced products on the market Elfab delivers unique design, testing and consultancy services for pressure management. Elfab Limited is a British company owned by Halma plc since Halma has grown to be an established FTSE 100 business and currently comprises over 50+ subsidiary companies operating worldwide. Products Rupture Discs Elfab has a wide variety of rupture discs offering some of the highest performance specifications on the market for a variety of applications and industries. ly manufactured for an accurate burst control, Elfab s reverse rupture disc range is capable of operating at up to 95% of rated burst pressure with an industry leading 3% tolerance. OEM & Rupture Disc Plugs Elfab s expertise in developing custom engineered solutions has been applied in a diverse range of industries. Working to the highest possible standards, our unique design for manufacture approach allows us to tailor our products to meet the requirements of individual projects. Elfab has built up significant experience in the design and manufacture of plugs, unions and other small disc assemblies, producing a wide range of variations to supply a diverse customer base. Explosion Vents Elfab s full opening, non-fragmenting explosion vents are used to protect against the hazards of dust explosions within a wide range of applications, including silos, bucket elevators, and gas engine and turbine exhausts. An extensive range of sizes, shapes and configurations is available depending on the specific application requirements, from a cost-effective single-skinned design, to a more robust multi-layered solution. Both flat and domed designs are offered, covering an extensive range of burst pressures. Holders & Accessories Elfab manufactures rupture disc holders to suit industry standard flange specifications, as well as a range of accessories to ensure the correct performance of our rupture discs. Sensors & Detection Without suitable burst detection systems in place companies face a number of environmental, health & safety and cost risks. With increases in environmental concerns and the push towards zero emissions, companies cannot run the risk of operating their plants without suitable detection systems in place. Elfab has a range of ATEX and IECEx approved detection systems designed to meet customer and plant infrastructure requirements. Elfab s state of the art manufacturing facility is based in North East England. It is accredited in accordance with Quality Management System ISO9001, Environmental Management System ISO and Health and Safety accreditation OHSAS In addition, a selection of Elfab products conform to ATEX, IECEx, ASME, CU TR 032, PED, TUV and SQL. Please contact us for details on individual product approvals. Custom Engineered Solutions Elfab leads the industry in providing electron beam welding capability that produces the highest integrity joint possible, meeting required specifications, reducing the risk of leakage problems and preventing premature failure. Elfab ensures all welded products are tested for leaks up to 10-8 cc/sec. Uniquely, this process removes issues or variability found in many other welding processes. This enables Elfab to produce bursting discs with advanced tolerances of +/- 3%. Our custom engineered solutions provide exceptional leak tightness, excellent operational performance and ease of installation. 3 4

4 Cell Based Manufacturing Automation Lines Many of Elfab s rupture discs incorporate a score line. The score line provides the critical point of engineered weakness that enables each disc to rupture at an exact and predictable pressure, and therefore has to be produced to extremely accurate tolerances. The servo press systems are used to form the score lines in each rupture disc using specially developed tooling. This, in combination with elements of Elfab s unique cell based manufacturing process, allows +/- 3% to be standard on reverse acting discs. Cell based manufacturing helps to reduce set up times, enable improved levels of precision, repeatability and traceability. Elfab is able to produce a vast range of OEM assemblies with their automation lines. The fully automatic machine is capable of rapidly producing large volumes of capped assemblies in a wide variety of sizes, designs and burst pressures. With unique in-house CAD design capabilities Elfab is able to produce a wide range of customer specific designs to meet exact requirements. The automation line manages the entire process from foil through to packing, ready for shipment. Elfab is positioned to more efficiently and competitively meet customer requirements, offering cost effective solutions with greater flexibility, responsiveness and faster delivery times. Testing and Inspection Facilities Elfab has on site state of the art testing and inspection facilities. The in-house sample preparation, inspection and testing lab typically enables individual disc samples to be produced in less than 10 minutes. Elfab fully tests and inspects all discs prior to installation, reducing customers test schedules and delivering long term reliability. High-end inspection and analysis software allows for detailed visual examination of bursting disc assemblies to check that no defects exist. Using its custom-built rig, Elfab can carry out helium leak testing of bursting disc assemblies, to better than 10-8 cc/sec. Using specialist equipment, even the most delicate disc assembly can be analysed. 5 6

5 Opti-Gard (OPR/OPK) Reverse Acting High performance reverse acting rupture disc 95% operating to burst pressure ratio * 3% performance tolerance Full vacuum capability as standard Peripherally scored on the vent-side for accurate burst control Single disc solution across a wide range of sizes & burst pressures Highest performance characteristics for liquid, gas or vapour Tested to over 1 million cycles 3 year warranty Non-invasive Flo-Tel detection as standard *97% operating ratio may be available under certain operating conditions. Please contact your Elfab sales representative for further details or to request a quote Opti-Gard SoLo (OPS) Reverse Acting The most technically advanced low pressure rupture disc 95% operating to burst pressure ratio 3% performance tolerance Single rupture disc solution across a wide range of sizes and burst pressures Designed for low pressure applications from 2Psig Suitable for liquid, gas and vapour applications Patented geometric shape Tested to over 1 million cycles Non-fragmenting rupture disc design 3 year warranty Non-invasive Flo-Tel detection as standard Size Range 25mm to 600mm (1 to 24 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values 1.74 Torque Sensitive Cycle Life* Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish 0.35 barg to 70 barg (5 psig to 1015 psig) 95% of minimum burst pressure (92% of nominal burst pressure) Non-fragmenting design Full Vacuum Liquid, Gas or Vapour No Tested to over 100,000 pressure vacuum cycles* Hastelloy as standard. Others available with offset tag + system-loc <1 (Fail Safe) +/- 3% (zero manufacturing design range) Available on vent side * from full vacuum to 95% of the minimum burst pressure.. Size Range 25mm to 150mm (1 to 6 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values 0.8 Torque Sensitive Cycle Life* Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish 0.14 barg to 4.14 barg (2 psig to 60 psig) 95% of minimum burst pressure (92% of nominal burst pressure) Non-fragmenting design Full Vacuum Liquid, Gas or Vapour No Tested to over 1 million pressure vacuum cycles* Hastelloy as standard. Others available with offset tag + system-loc Fail Safe +/- 3% (zero manufacturing design range) * from full vacuum to 95% of the minimum burst pressure. Flo-Tel Detection Reverse Holder Flo-Tel Detection Reverse Holder 7 8

6 Milli-Gard (MIL) Reverse Acting Ultra low pressure reverse acting disc Operating ratio up to 60% Ideal for the relief of vacuum and over pressure situations Reverse disc design Suitable for ultra-low pressures Non-invasive Flo-Tel detection as standard Safe-Gard (SGD) Forward Acting Cross scored on the vent side for increased safety Advanced tension-loaded rupture disc Precision cross scoring on the vent side for accurate burst control 90% operating to burst pressure ratio Ideal for a wide range of burst pressures and sizes Smooth operating surface Ideal for relief valve isolation Non-invasive Flo-Tel detection as standard Size Range 50mm to 300mm (2 to 12 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values Torque Sensitive Cycle Life Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish 3 mbarg to 500 mbarg 60% of minimum burst pressure (45% of nominal burst pressure) Non-fragmenting design Suitable Full Vacuum Gas or Vapour No Good Stainless Steel as standard. Others available With Standard Holder <1 Fail Safe Good +/- 25% (zero manufacturing design range) Size Range 15mm to 500mm (1/2 to 20 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values 0.68 Torque Sensitive Cycle Life Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish 2.1 barg to 185 barg (30 Psig to 2683 Psig) 90% of minimum burst pressure (86% of nominal burst pressure) Non-fragmenting design Full Vacuum Liquid, Gas or Vapour No Very Good Stainless Steel as Standard. Others Available. <1 Fail Safe <1 Fail Safe +/- 5% (zero manufacturing design range) Available Flo-Tel Detection Reverse Holder Flo-Tel Detection Forward Holder 9 10

7 Flat Composite (FCD) Forward Acting Economic solution for very low pressure applications Composite design with a unique tri-membrane construction Enhanced protection, reliability and leak tightness Various slotting arrangements available to meet the specific application requirements Widest size range of any product type Non-invasive Flo-Tel detection as standard Domed Composite (DCD) Forward Acting Unique construction for enhanced protection Composite design with a tri-membrane construction 85% Operating Ratio Widest size range of any Elfab product type Non-invasive Flo-Tel detection as standard Size Range 25mm to 800mm (1 to 32 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility 0.07 barg to 3.5 barg (1 Psig to 50 Psig) 40% of minimum burst pressure (36% of nominal burst pressure) Non-fragmenting design Suitable KR Values 3.94 Torque Sensitive Cycle Life Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish Back pressure support required Liquid, Gas or Vapour No Poor Stainless Steel as Standard. Others Available. <1 (Fail Safe) Dependent on Back Pressure Support <1 (Fail Safe) Good +/- 5% (zero manufacturing design range) Not Available Size Range 25mm to 800mm (1 to 32 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values Torque Sensitive Cycle Life Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish 0.3 barg to 20 barg (5 Psig to 290 Psig) 85% of minimum burst pressure (81% of nominal burst pressure) Non-fragmenting design Good Back pressure support required Liquid, Gas or Vapour Not available No Good Stainless Steel as Standard. Others Available. <1 (Fail Safe) Dependent on Back Pressure Support <1 (Fail Safe) Good +/- 5% (zero manufacturing design range) Not Available Flo-Tel Detection Forward Holder Flo-Tel Detection Forward Holder 11 12

8 Conventional Domed (CDD) Forward Acting Forward acting rupture disc suitable for a wide range of applications Can be used in a wide range of operating environments offering an economic solution to many applications Available in a wide range of materials and sizes Suitable for very high pressure applications Widest size range of any Elfab rupture disc product type Non-invasive Flo-Tel detection as standard Various slotting arrangements available to meet the specific applications requirements Widest size range of any product type Universal Arma-Gard (AGS) - Graphite Overcomes problems associated with damage of traditional graphite discs caused by poor storage, handling and installation practice Installed directly between flanges Not adversely affected by misaligned pipework A steel armoured ring protects the graphite rupture disc element Eliminates the possibility of side wall bursts Non-torque sensitive Low pressure capability corrosion resistance Non-invasive Flo-Tel detection as standard Size Range 3mm to 800mm (1/8 to 32 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values Torque Sensitive Cycle Life Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish 0.5 barg to 1400 barg (7 Psig to Psig) 85% of minimum burst pressure (81% of nominal burst pressure) May Fragment Not Recommended No support required above burst pressure of 30 barg Liquid, Gas or Vapour 1.4 (no support) No Stainless Steel as Standard. Others Available. <1 (Fail Safe) Dependent on Back Pressure Support <1 (Fail Safe) +/- 5% (zero manufacturing design range) Available Size Range 25mm to 350mm (1 to 14 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values Torque Sensitive Cycle Life Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish 0.07 barg to 55 barg (1 psig to 798 psig) 85% of minimum burst pressure (76.5% of nominal burst pressure) Fragmenting No Support Not Required Above 1.7 barg (24.6 psig) Liquid, Gas or Vapour 0.6 (no support) No Average Graphite <1 (Fail Safe) Average +/- 10% (zero manufacturing design range) Available on Both Faces Flo-Tel Detection Forward Holder Flo-Tel Detection Test-Tel 13 14

9 Opti-Gard Ferrule (OPF) / SoLo (Low Pressures) Hygienic applications High technical solution for aseptic and hygienic applications 95% operating to burst pressure ratio 3% performance tolerance Peripherally scored for accurate burst control Designed with a smooth, uninterrupted surface finish to meet FDA approvals Suitable for use with tri-clamps / ferrules / NA-connect Ideal for CIP and SIP applications Non-invasive Flo-Tel detection as standard NA Connect compatible Tank-Safe (TSD/TSF) Rail Car / Holderless Design Designed for use on intermodal tank containers to meet the requirements of the various international standards relating to transportation of dangerous goods Composite construction and does not require a holder Mounted directly below the relief valve Easy installation directly between flanges Construction comprises of three main components: a slotted top section, seal membrane and vacuum support Full bore relief Disc sizes available to fit all intermodal tank sizes Can be fully lined on the process side to eliminate contact with the product Size Range 25mm to 100mm (1 to 4 ) Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values Torque Sensitive Cycle Life Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish Ferrule: 0.9 barg to 20.7 barg (13 Psig to 300 Psig) SoLo: 0.35 barg to 5.2 barg (5 Psig to 75 Psig) 95% of minimum burst pressure (92% of nominal burst pressure) Non-fragmenting design Full vacuum Liquid, Gas or Vapour Tested to over 100,000 pressure-vacuum cycles Stainless Steel as standard. Others available Arrow on offset tag <1 Fail Safe +/- 3% (zero manufacturing design range) Size Range 50mm, 65mm and 80mm (2,2½ and 3 )* Maximum Operating Ratio Fragmentation on Burst Relief Valve Isolation Vacuum Service Fluid Compatibility KR Values Torque Sensitive Cycle Life Material Range Reversal Ratio Damage Ratio Leak Tightness Performance Tolerance Protective Linings Disc Surface Finish 3.75 barg to 4.4 barg (54.4 psig psig) 85% of minimum burst pressure (81% of nominal burst pressure) None fragmenting design Full Vacuum Liquid, Gas or Vapour Not Available No Very Good Stainless Steel as Standard. Others Available Dependent on Back Pressure Support <1 (fail safe) Good +/- 5% (zero manufacturing design range) Not Available Flo-Tel Detection Tri-Clamp and Ferrules 15 16

10 Intermodal Container Disc (ICD) Rail Car / Holderless Design Designed specifically for applications needing a reliable overpressure solution as protection during the transportation of liquid or gas Solid metal construction Up to 90% operating to burst pressure ratio combined with ±5% burst tolerance Complete with inlet and outlet gasket Non-fragmenting design - suitable for relief valve isolation Full bore relief Withstands full vacuum without a vacuum support Self-aligning fail-safe installation Designed to install directly between industry standard flange fittings Supplied as standard with laser-etched stainless steel tag for full traceability Available in a range of standard sizes, pressures and materials Can be fully lined on the process side to eliminate contact with the product Meets all the international requirements for the transportation of dangerous goods Rupture Disc Holders Elfab manufactures a range of holders specifically designed to support the installation of our technically advanced rupture discs and detection systems. Ensures correct performance and installation of Elfab s rupture disc range for industry standard flange specifications. High levels of corrosion resistance Superior leak tightness Produced to suit all internationally recognised flange standards Assured alignment via locations between flange bolts Available in a wide range of materials Bolted/pre-torque/slimline holders available on request Multi-Flange designs System Loc+ Ensures correct installation of holder without drilling flanges 17 18

11 Flo-Tel Rupture Disc Burst Detection Non-invasive ATEX approved reusable burst detection Flo-Tel is a fail-safe and intrinsically safe detection system providing an excellent solution for identifying when a rupture disc functions within arduous operating conditions. Operating on simple reed switch and magnet technology, Flo-Tel is designed to offer a practical solution for rupture disc detection needs. The sensor is fitted into the holder with a magnet on the rupture disc. When the rupture disc bursts; the rupture disc with its magnet arc away from the sensor, giving an open circuit signal. After rupturing, the disc is the only element that needs replacing, eliminating expensive rewiring costs. ATEX and IECEx approved ExII 1GD EEx ia IIC Sensor is not in contact with the process therefore there are no potential leak paths Non-invasive design, therefore not affected by downstream pressure fluctuations or corrosion IP 66 rated Flo-Tel XD Rupture Disc Burst Detection Non-invasive, fail safe burst detection Flo-Tel XD is a first Exd approved non-invasive fail safe detection system, providing an excellent solution for identifying when a rupture disc functions within arduous operating conditions. Once installed, this detection system requires no further electrical maintenance. After rupturing, the disc is the only element to be replaced, eliminating expensive re-wiring costs. Failsafe checks may be carried out by non-electrically trained fitters using Elfab s unique Test-Tel unit. Operating on simple reed switch and magnet technology, Flo-Tel XD is designed to offer a practical solution for rupture disc detection needs. The sensor is fitted into a holder with a magnet on the rupture disc. When the rupture disc bursts; the rupture disc with its magnet arc away from the sensor, giving an open circuit signal. After rupturing, the disc is the only element that needs replacing. ATEX and IECEx certification Sensor is not in contact with the process therefore there are no potential leak paths Non-invasive design, therefore not affected by downstream pressure fluctuations or corrosion IP 67 rated Available in Stainless Steel for Marine Applications Offers a significant advantage in that it can be installed utilising the protection concepts Exd, Exi and Ext, meaning it is extremely versatile and can be used in Zones 0, 1 and 2, subject to the Ex concept chosen Rupture Disc Holders Test-Tel Opti-Gard Rupture Disc Holders Test-Tel 19 20

12 Wireless Flo-Tel Wireless rupture disc burst detection Industry first WirelessHART burst detection system Elfab offers a burst detection system compatible with WirelessHART gateways and transmitters. Wireless Flo-Tel combines Elfab s industry leading burst detection system with the latest WirelessHART technology. Wireless Flo-Tel provides a reliable solution to notify when a rupture disc bursts without the need for time consuming and expensive wiring in ATEX zones. Flo-Tel technology has been proven in a wide range of industry sectors with varied applications to provide a failsafe detection solution for over 20 years. By incorporating this ATEX-approved, non-invasive solution into a WirelessHART network it further enhances the benefits of this product. Wireless Flo-Tel offers significant cost-savings over traditional burst detection systems. Easily integrated into existing Emerson systems Sites already operating Emerson WirelessHART technology have the added benefit of being able to integrate Elfab s rupture disc and detection solutions into their established network, further reducing costs and system complexity. Emerson s Smart Wireless Gateway provides industry leading security, scalability and data reliability. Layered security ensures that the network stays protected and additional devices can be added at any time making the process of upgrading from traditional burst detectors to a wireless solution a relatively simple and low cost process. Unique features and benefits Significant cost savings over traditional burst detectors Non-invasive, fail-safe solution Eliminates the need for wiring Rapid notification of disc burst Can be integrated into existing WirelessHART networks Compatible with Elfab s full range of Flo-Tel detection systems ATEX-approved Rupture Disc Accessories Test-Tel The Test-Tel installation aid is designed to confirm correct disc and Flo-Tel installation to improve fitting and maintenance schedules. Test-Tel is a low cost portable tool for a right first time approach to rupture disc installation. Eliminates the risk of badly fitted rupture discs Prevents wrongly wired detection Reduces down time costs Simple to use Checks disc and Flo-Tel status Excess Flow Valve Excess flow valves are designed for use with double rupture disc or rupture disc and relief valve combinations. Elfab s Excess Flow Valves provide the essential facility for preventing unacceptable build-up of pressure in the space between the safety valve and the rupture disc. Robust stainless steel construction Rapid shut off Pressure gauges are sold separately Tri-Clamps & Ferrules To support rationalisation within your supply chain, Elfab can supply the supporting Tri-Clamps and Ferrules to ensure correct installation. These are uniquely designed for easy installation of Elfab s non-invasive Flo-Tel detection system. Flo-Tel Detection Opti-Gard 21 22

13 Single Skinned Explosion Vents Flat Cost-effective explosion venting protection to suit a wide range of process conditions Elfab s single-skinned explosion vents are available in either flat or domed construction dependent on vacuum requirements. They are a cost effective solution for a wide range of applications. The flat non-fragmenting design is suitable where a low profile solution offers an advantage to the silo construction. Elfab offers its Single Skinned Explosion Panels in either a square or rectangular design. Lowest profile possible Resistant to abrasion, corrosion and moisture Maintenance free Dust tight seal Optional integral or retro-fittable Vent-Tel burst detection system For low vacuum, low temperature applications Domed High performance, cost-effective explosion venting solution to suit medium vacuum conditions Elfab s bursting panel range is enhanced by the introduction of this efficient domed-design Single-Skinned Explosion Venting panel, combining a unique 70% operating ratio with high stability for applications requiring a medium level of vacuum resistance (up to 75% of the minimum burst pressure). High stability and medium vacuum support Resistant to abrasion, corrosion and moisture Maintenance free Dust tight seal Optional integral or retro-fittable Vent-Tel burst detection system For medium vacuum, low temperature applications Multi-Layered ExplosionVents Flat Robust flat explosion venting panel for excellent service life Elfab s Multi-Layered bursting panel is available in either flat or domed dependent on service life and vacuum conditions. It combines stainless steel and fluoropolymer to create a high performance explosion venting solution. Elfab offers its flat Multi-Layered Explosion Vents in a square, rectangular, round or trapezoid construction with a wide range of bolt pattern configurations. Offering a low maintenance solution with a dust tight seal and excellent corrosion resistance, this flat non-fragmenting design is now a widely used explosion protection solution for limited vacuum applications. Suitable for high temperatures Fail-safe rapid full venting Low installation costs Maintenance free Non-fragmenting design Domed service life for processes with medium vacuum and back pressure conditions Elfab s domed design Multi-Layered Explosion Vent brings the additional benefit of enhanced operating performance under cyclic pressure, back pressure and vacuum conditions. With the highest Operating Ratio across the Elfab explosion panel range of 80%, this distinctive bursting panel allows for enhanced cycling characteristics. Full vacuum and back pressure capability Enhanced cycling characteristics Low installation costs Maintenance free Non-fragmenting design Fail-safe rapid full venting High temperature capability corrosion resistance Dust tight seal Optional integral or retro-fittable Vent-Tel burst detection system For medium vacuum and spares applications corrosion resistance Dust tight seal Optional integral or retro-fittable Vent-Tel burst detection system For low vacuum and spares applications This unique range of non-fragmenting bursting panels is available with a standard burst pressure of 0.05 or 0.1 with a 25% tolerance. Elfab s multilayered design venting panels are suitable for use in high temperature conditions

14 Ribbed Explosion Vent Economical space-saving single-layer explosion panel suitable for low to medium vacuum applications Dusty conditions commonly associated with the storage and handling of grains and powders can potentially lead to dangerous explosions. The robust construction of Elfab s Ribbed design explosion vent ensures operational excellence even when low to medium levels of vacuum are present. The Ribbed Explosion Vent is maintenance free and a non-torque dependent product, ensuring ease and speed of installation. This, combined with the low storage costs of the design, ensures it is one of the most cost effective explosion bursting panels available. Withstands low levels of vacuum without additional support Ribbed construction ensures robust, reliable performance Fail-safe rapid full venting Low installation costs Maintenance free corrosion resistance Dust tight seal Size Range Operating Ratio 60% Tolerance +/-25% Standard Burst Pressure Offering Level of vacuum capability Torque Dependent (Y/N) Vent-Tel Detection Optional Accessories Shape Designs Materials 0.14 m2 to 1.25 m2 (1.51 ft2 to ft2) -40 C/80 as standard 0.05 barg to 0.49barg 15/30 C Up to 40% of Minimum Burst Pressure N Optional Frame, Gasket Rectangular, Square Stainless Steel as standard *Higher temperatures available on request Lift-Gard Explosion Vent The only flat explosion venting panel that combines an integral frame with an ATEX-approved burst detection system in one Elfab s explosion venting panels are designed to open at pre-determined burst pressures to protect the severity of these explosions. Elfab s Lift-Gard panel characteristics and construction ensures operational excellence even for demanding applications where vibrations or harsh conditions could be a concern. Lift-Gard is a low cost, maintenance free solution designed specifically to protect Vertical Bucket Elevators from potentially harmful explosions. With a non-fragmenting design, this allows for a full opening of the venting panel in the event of an explosion, ensuring maximum safety. Elfab s Lift-Gard has an integral outer frame, making it a reliable and costeffective solution that is easy to install. Integral ATEX-approved Vent-Tel detection device for immediate shut-down EXII 1GD EEx ia IIC EC-Type Examination Certificate ITS03 ATEX Low installation costs Maintenance free Fail-safe explosion Specifically designed to meet regulations within the Bucket Elevator industry Size Range Operating Ratio 50% Tolerance +/-25% Standard Burst Pressure Offering Level of vacuum capability Torque Dependent (Y/N) Vent-Tel Detection Optional Accessories Shape Designs Materials 0.08 m2 to 0.22 m2 (0.86 ft2 to 2.45 ft2) -40 C/80 as standard 0.05 barg to 0.49barg 15/30 C Limited Vacuum N Optional (Recommended) Gasket Rectangular, Square Stainless Steel as standard *Higher temperatures available on request 25 26

15 Thermal Explosion Vent Hygienic Explosion Vent A cost-effective solution for customers operating at high temperatures, the Thermal Explosion Vent offers superior explosion venting characteristics while preventing expensive energy and heat loss. The Vent combines a solid thermal insulator of low density silica within a stainless-steel explosion panel construction and is suitable for use on processes with temperatures up to 600ºc. The Thermal Explosion Vent is available in either a square, round or rectangular design in either flat or domed constructions ensuring relief area requirements are met in a wide variety of high temperature applications. Integral insulation Suitable for temperatures up to 600ºc Maintenance free Dust tight seal Not susceptible to condensation or product build up Vent-Tel burst detection system available for most applications Capability Size Range Vent Area Operating Ratio 60% Tolerance +/-25% Standard Burst Pressure Offering Level of vacuum capability Torque Dependent (Y/N) Vent-Tel Detection Optional Accessories Shape Designs Materials Thermal Explosion Vent (Flat & Domed Variants with Integral Thermal Insulation) 0.01 m2 to 1.18 m2 (Rectangular) 0.05 m2 to 1.13 m2 (Round) -40 c/600 c as standard* 0.05barg to 0.49barg 15/30 C Limited (Flat) Full Vacuum (Domed)** N Optional, temp dependent Frame, Gasket Round, Rectangular, Square Flat & Domed constructions available Stainless Steel as standard. For higher temperatures other metals may be required. Uniquely designed explosion panel suitable for food and pharmaceutical applications The specially designed construction of the Hygienic Explosion Vent maintains operational excellence within stringently sterile environments. The smooth finish and crevice-free design eliminates residue and bacteria build up. Low installation costs Maintenance free Dust tight seal corrosion resistance Size Range Vent Area Operating Ratio Tolerance +/-25% Standard Burst Pressure Offering Level of vacuum capability Torque Dependent (Y/N) Vent-Tel Detection Optional Accessories Shape Designs Materials 0.02 m2 to 1.25 m2 (0.22 ft2 to ft2) Specific to Panel Design Specific to Panel Design 0.05barg to 0.49barg 15/30 C Specific to Panel Design N Optional Frame, Gasket Rectangular, Square Stainless Steel as standard *Higher temperatures available on request *Higher temperatures available on request **Higher available if supplied with implosion bars 27 28

16 Explosion Vent Burst Detection Vent-Tel Burst Detection Vent-Tel is Elfab s ATEX-approved, non-invasive, fail safe, explosion vent burst detection system providing an excellent solution for identifying when an explosion panel has functioned. Operating on a simple reed switch and magnet technology, Vent-Tel is designed to offer a practical solution for explosion vent burst detection, which can trigger a safe and rapid shut-down of the process. Vent-Tel can be retrofitted to Elfab s range of explosion vents. Other accessories are available on request, such as frames and gaskets. Customised Innovation To meet customer specific requirements, Elfab works closely to develop the ideal explosion protection solution for unique applications. Tank Protection Products Flame Arresters A breakthrough in flame arrester technology Elfab s latest generation of Flame Arresters benefit from a breakthrough in flame arresting technology to eliminate problems associated with traditional solutions. Designed to stop a flame in its tracks our flame arresters are advanced safety devices used on a wide range of applications where tank and vessel protection is critical. Deflagration-proof, endurance burning and detonation-proof Manufactured and tested to the highest quality standards, our flame arresters offer significant advantages and cost savings resulting from our latest innovative designs. Dependent on the nature of the flame, various types of flame arrester are available. These include deflagration proof end-of-line and in-line flame arresters, as well as bi-directional in-line detonation-proof flame arresters. Our end-of-line flame arresters are designed to stop unconfined deflagrations, and protect against fire from external sources. Available in a wide range of sizes and configurations, our bi-directional in-line deflagration flame arresters combine two body connectors, one on each side of the flame arrester housing element, and protect against flame transmission when flammable gases are present. The bi-directional design prevents flame transmission from both sides of the housing. Elfab s detonation-proof flame arresters are designed to prevent a flame entering or leaving a pipe or vessel or to stop it travelling further down a pipe. Usually at supersonic velocities and combined with a shock wave, a detonation is typically as a result of flame acceleration. Selecting a suitable flame arrester is critical for maximum protection. Typically generated by an explosion and then fed by a continuous flow of gas, the latest Endurance Burning version of the flame arrester can prevent the propagation of steady-state flames for advanced safety. Advantages Clean lift at set pressure (no simmering) Simple assembly and disassembly Low assembly errors Simplified cleaning operation Smaller design dimensions and lighter weight Reduction of spare parts Lower cost ATEX-approved Innovative design, providing critical tank and vessel protection 29 30

17 Breather Valves Superior tank protection Specifically designed for tank protection, Breather Valves, also known as direct acting pressure or vacuum valves, are the latest addition to Elfab s pressure relief range. Our breather valves are available in a variety of configurations and designs to meet a particular project brief with the primary purpose of preventing the tank against rupturing or imploding. Significant benefits and superior performance can be achieved by moving to these latest breather valve solutions, for example, interchangeability of parts and reduction of components. Our latest design of breather valves can offer significant performance benefits and cost savings over alternative solutions. Wide range of combinations Reduced unnecessary oversizing to achieve significant cost benefits Highest flow rates with smaller pressure drops Simplified maintenance due to easier access to internal parts Reduces amount and variation of spare parts Increased performance Tighter sealing Product flexibility due to the modular system Smaller, lighter and more cost effective solutions Suitable for use with our Flame Arrester product line Tank Protection Equipment Vacuum/Pressure Relief Valves Pressure/vacuum relief valves are used on bulk storage tanks to prevent the build-up of pressure and vacuum which can damage the vessel. Elfab s relief valves are weight or spring loaded vents designed to prevent tank deformation cause by increase or decrease of internal pressure. When tank pressure reaches the valve pressure setting, a pallet is lifted allowing the excess pressure to be vented safely to the atmosphere or to be piped-away. Benefits: Protects bulk storage tanks Prevents tank deformation Offers reliable protection against excess pressure and vacuum Corrosion resistant Emergency Vents Elfab s emergency vents are designed to protect fire-heat overpressure. Providing high capacity pressure relief, our emergency vents help prevent product vapour loss close to the set point whilst preventing tank damage. In the event of a fire, the cover lifts at a pre-determined pressure contributing to a large venting area. Perfect tightness is provided by a seal ring. Benefits: Corrosion resistant Protection against fire-heat overpressure Low emissions Pressure range/control High gas flow Maintenance friendly design Modular construction Wide range of materials available on request Easy maintenance High flow rates Manhole design available Different models available upon your request Gauge Hatches Elfab provides sealed closing hatches, designed for easy access when sampling, inspecting, and manual level gauging or temperature measurement. A wide range of constructions are available dependent on the specific application and accessibility levels that are required. On request, our gauge hatches can be secured with a padlock in order to prevent unauthorised access and human error occurrences which is critical in hazardous environments. Benefits: Wide pressure range capability Wide material construction Minimises vapour leakage Provides a water tight seal Prevents leakage and evaporation loss Suitable for arduous operating conditions 31 32

18 OEM, Rupture Disc Plugs & Injection Moulding Stems Rupture discs working to a unique design for manufacture approach Elfab s expertise in developing custom engineered solutions has been applied to a diverse range of industries. Working to the highest possible standards our unique design for manufacture approach allows us to tailor our products to meet the requirements of individual projects. Benefiting from in-house electron beam welding capability and automated assembly lines, Elfab can offer a wide range of products with some of the best lead times in the industry. From complex one-off units to high volume price sensitive applications, Elfab can manufacture a solution to meet your requirements. Areas in which we specialise: Aerospace and Defence Medical Automation Power Generation and Utilities Solids and Bulk Handling Gas and Liquid Handling Industrial Applications Quality Certificates & Approvals Quality Management Systems ISO /TS 29001:2010 Lloyd s Register Quality Assurance ISO 9001:2008 Lloyd s Register Quality Assurance AD2000-Merkblatt HP0/EN729-3 TUV (Germany) ASME UD Certificate of Authorization and Associated National Board Certificate Safety Quality Licence Certificate, People s Republic of China Health, Safety and Environmental ISO 14001:2015 Lloyd s Register Quality Assurance OHSAS 18001: 2007 Lloyd s Register Quality Assurance CU TR 32 Certificate of Conformity - EAC CU TR 012 Certificate of Conformity - EAC EC Certificate of Conformity European Directives: Lloyds Register Pressure Equipment Directive ATEX Directive 94/9/EC ATEX QAN Quality Assurance Notification Integral Flo-Tel+ Rupture Disc Detector Flo-Tel XD Rupture Disc Detector Flo-Tel XD Rupture Disc Detector Posi-Gard/Vac-Gard Integral Flo-Tel Rupture Disc Detector Explosion Vent and Explosion Vent Detector Bio-Tel Rupture Disc Detector Burst-Tel Rupture Disc Detector Test-Tel Disc Installation Aid OE-Tel Burst Detector IECEx Certificate of Conformity Integral Flo-Tel+ Rupture Disc Detector Integral Flo-Tel XD Rupture Disc Detector Posi-Gard/Vac-Gard Integral Flo-Tel Integral Flo-Tel XD Rupture Disc Detector Safety Integrity Level (SIL) Forward Acting Rupture Discs Reverse Acting Rupture Discs Burst Tel and Bio-Tel Rupture Disc Detector Flo-Tel+, PGFT and VGFT Detector Integral Flo-Tel XD Rupture Disc Detector 33 34

19 ElfabTech.com Engineering/Technical information at the touch of a button Elfab s enhanced engineering portal, ElfabTech, is an effective web tool to enable accurate rupture disc and explosion vent sizing and specifications while helping to reduce order process time as well as offering additional resources to support Design Engineers and Buyers across the globe. Online spares ordering for pressure relief products including: Rupture Discs Explosion Vents Detection Systems OEMs Users can sign-up for free and gain access to high-level engineering calculations to support with the design process and validate critical calculations. ElfabTech also has the capability of allowing a customer to track their order along its journey through the Elfab Factory and the ability to track when despatched goods are expected to arrive. A host of media files including presentations and videos are also accessible through ElfabTech; for ongoing support and internal training. Register for FREE Elfab Training and Seminars With over 80 years manufacturing experience, Elfab are industry leaders when it comes to technical expertise. Elfab s training and technical seminars are designed to share this expertise with our customers. Available at the Elfab site or your offices, the sessions are tailor made to best suit your specific requirements. Hosted by a trained and highly skilled Applications Engineer, our seminars are of particular interest to project, process, safety and maintenance engineers. Our informative and interactive seminars provide a wealth of information about our products including: Rupture disc and burst detection selection Installation methods Sizing calculations Stock rationalisation Quality standards Engineering Benefits: Sizing calculators Rupture disc sizing calculations to API + ISO Two phase rupture disc sizing calculations Explosion vent sizing to BS EN/NFPA Process medium and material compatibility check with NACE tables To benefit from all these features and much more, become an ElfabTech member today: Request Quote/Place Order: Request a quotation for spare parts online, saving valuable procurement time Place order online at click of a button; reducing order process time Simple and free to use Improved operational efficiency reducing the lengthy quotation/order process Manufacturing/Delivery Tracking: Track your order though the Elfab Factory from production to shipment Follow your consignment once shipped Track when goods are expected to arrive globally Host of media files available: Access to installation videos and presentations Quality certification downloads FAQs To request more information about Elfab s Seminars, or to arrange for one of our highly qualified application engineers to visit your company; please do not hesitate to contact us. sales@elfab.com Telephone: +44 (191)

20 Explosion Vent Comparison Table Capability Single-Skinned Flat Explosion Vent Single-Skinned Domed Explosion Vent Ribbed Explosion Vent Multi-layered Flat Explosion Vent Multi-layered Domed Explosion Vent Lift-Gard Explosion Vent Thermal Explosion Vent Hygienic Explosion Vent Construction Stainless Steel with cross-linked Polyethalene seal membrane Stainless Steel with cross-linked Polyethalene seal membrane Stainless Steel with cross-linked Polyethalene seal membrane Stainless Steel, Fluropolymer, Stainless Steel Stainless Steel, Fluropolymer, Stainless Steel Stainless Steel with cross-linked Polyethalene seal membrane Stainless steel with solid thermal insulator Stainless steel Size Range See website See website See website See website See website See website See website See website Vent Area 0.09 m2 to 1.25 m2 (0.97 ft2 to ft2) 0.09 m2 to 1.25 m2 (0.97 ft2 to ft2) 0.14 m2 to 1.25 m2 (1.51 ft2 to ft2) 0.02 m2 to 1.25 m2 (0.22 ft2 to ft2) 0.02 m2 to 1.25 m2 (0.22 ft2 to ft2) 0.08 m2 to 0.22 m2 (0.86 ft2 to 2.45 ft2) 0.01m2 to 1.18m2 (Rectangular) 0.05m2 to 1.13m2 (Round) 0.02m2 to 1.25m2 Temperature Range -40 C/80 C as standard* -40 C/80 C as standard* -40 C/80 C as standard* -40 C/200 C as standard* -40 C/200 C as standard* -40 C/80 C as standard* -40c/600c Specific to Panel Design Operating Ratio 50% 70% 60% 60% 80% 50% 60% Specific to Panel Design Tolerance +/-25% +/-25% +/-25% +/-25% +/-25% +/-25% +/-25% +/-25% Burst Pressure Range 0.05barg to 0.49barg 0.05barg to 0.49barg 0.05barg to 0.49barg 0.05barg to 0.49barg 0.05barg to 0.49barg 0.05barg to 0.49barg 0.05barg to 0.49barg 0.05barg to 0.49barg Standard Burst Pressure Offering 15/30 C 15/30 C 15/30 C 0.05barg or 15/30 C 0.05barg or 15/30 C 15/30 C Level of vacuum capability Limited Vacuum Up to 75% of minimum Burst Pressure Up to 40% of minimum Burst Pressure Limited Vacuum Up to Full Vacuum Limited Vacuum Limited (Flat) Full Vacuum (Domed) Specific to Panel Design Torque Dependency No No No No No No No No Available with Vent-Tel Optional Optional Optional Optional Optional Optional (recommended) Optional, temperature dependent Optional Accessories Frame, Gasket Frame, Gasket Frame, Gasket Frame, Gasket Frame, Gasket Gasket Frame, Gasket Frame, Gasket *Higher temperatures available on request. Rupture Disc Comparison Table Opti-Gard / Opti-Gard SoLo Opti-Gard Ferrule / Opti-Gard Ferrule SoLo Safe-Gard Conventional Domed Composites Flat / Domed Universal Arma- Gard Milli-Gard Tank-Safe (Flat/Domed) / Intermodal Container Disc <1 1-4 Size Range 24 + Burst Pressure Psig 2.9Psig - 300Psig Psig Psig 1-261Psig Psig 0.07Psig-7.25Psig 50Psig-261Psig Temperature -200C C -40C C C C C C C C Operating Ratio 95% 95% 90% 85% 40% / 85% 85% 60% 40% / 85% / 90% Tolerance +/-3% +/-3% +/-5% +/-5% +/-5% +/-10% +/-25% +/-5% Non-fragmenting Vacuum Resistant Performance Fail-Safe Non-torque Sensitive Gas + Liquid Gas Vapour Stainless Hastelloy Inconel Monel Tantalum Nickel Graphite Performance Process Linings Available Product-specific Product-specific Ferrules Bolted Holder Pre-torque Non-invasive detection Invasive detection Excess Flow Valve Accessories 37 38

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