Oxy acetylene flashback arrestor installation instructions A flashback arrestor or flash arrestor is a gas safety device most commonly used in oxy-fuel welding and cutting to stop the flame or reverse flow of gas back up into the equipment or supply line. Western Fuel Gas Flashback Arrestor with B-size helps to stop flashbacks by preventing ignition of mixed gases and protects hoses, regulators as well as cylinders. The valve is protected from damage by the sintered stainless steel flame trap. It protects the user and equipment from damage or explosions. The Harris flashback arrestors incorporate a reverse flow check valve and a flame arresting unit in one device. There are no user repairable parts. In the first exampl A flashback arrestor can be installed on the torch handle instead of a check valve. Aug 29, 2023 · Flame Out: How Flashback Arrestors Keep Maritime Gas Welding and Cutting Safe They may be small, but they are mighty. Specific installation instructions must be followed for the arrestor to properly function. Get ready to ignite your knowledge and maximize your oxy-fuel operations. Is a flashback arrestor the same as a check valve?. Miller flashback arrestor have a reverse flow check valve and prevent the propagation of a flame upstream. Flashback occurs when acetylene flow rate is lower than torch demand. High Flow Flashback Arresters— High-flow arresters give you twice the airflow rate compared to standard flashback arresters when they’re used at the same inlet pressure. By using the proper tips, rods and fluxes, almost any metal can be welded, heated or cut using the Oxy-Acetylene process. com: flashback arrestorKoike Oxy-Fuel Flashback Arrestor Quick Connect Torch to Hose Locking Coupler Set, Safe Fuel/Oxygen Disconnect, Tight Sealing, OSHA Compliant (SET) Find out how a flashback occurs, and why it is so important to include flashback arrestors as part of your oxy-fuel gas equipment. A clogged Tip, improper functioning of the Valves, or incorrect acetylene/oxygen pressure could lead to flashback. The equipment used today is safe, but every year, hund WESTERN FLASHBACK ARRESTORS–OXY/FUEL GAS Welders rely on Western’s advanced Flashback Arrestors to help prevent serious incidents caused by reverse gas flows or flashbacks. Built-in Flash Arrestor Retro-Fit Kit The retro-fit kit allows replacement of built-in flash arrestors for cutting torches without the use of Loctite® or heat The Series 801-7007 and 801-7008 Flashback Arrestor is an economically priced safety device suitable for installation at the inlets of hand or machine oxy-fuel gas torches. Understanding the Basics of Oxy-Acetylene Torch Operation Oxy-acetylene torches are indispensable tools for professionals working with metal, enabling cutting, welding, brazing, and heating tasks. Miller flashback arrestors have a reverse flow check valve and prevent the propagation of a flame up-stream. If in doubt contact the manufactur-er. Other features include a built-in 100 micron inlet filter, reverse flow check valve, 3-5 micron flame barrier, and a thermal shutoff valve in our point of supply FLASHBACK ARRESTORS - Free download as Word Doc (. I cant say if your torch has a built in set without seeing it, post a photo. This allows you to customize and upgrade your existing Victor® torch to suit your evolving projects. We recommend testing for flow and reverse flow at least once a year (see product instructions for how to test). For maximum safety use Flashback Arrestors. However, the use of special technical safety devices such as flashback arrestors is now a requirement and a safety best practice to prevent incidents with oxy-fuel equipment. In order to connect the torch handle to the cylinder supply and to provide safety protection, Flashback Arrestors and Backfire Valves must be installed. A Practical Guide for Shop Owners & Managers Introduction In welding and fabrication, the biggest threat to profitability isn’t always […] An Oxy-Acetylene outfit is portable, less expensive and more versatile than a electric welding set up. This post introduces you to these types and their significance and ends by introducing you to a reliable flashback arrestor for oxygen and acetylene. Apr 15, 2024 · Learn everything about flashback arrestors and how they ensure your safety for oxy-fuel welding, brazing & cutting. How To Set Up Oxygen & Acetylene torch for beginners How to put flashback arrestors on torch and tank regulators to prevent reverse flow of gases The operating instructions should be kept in an accessible place within reach at all times. The flashback arrestors are suitable for most industrial gases and fuel gases such as acetylene, hydrogen, methane, propane, propylene and butane as well as oxygen and compressed air. Flash-back arrestors are recommended in all oxy-fuel weld-ing, cutting, brazing, and heating applications. Regularly clean your welding torch, hoses, and regulators. Nov 23, 2020 · Used properly, modern oxy-fuel process equipment is safe to handle without extra protection. Brought to you by the experts at Alphaweld. The 2-pack oxy-fuel gas flashback arrestors (regulator-to-hose) is a crucial safety accessory for oxy-fuel systems. 2 bar between the pressure before the flashback arrestor and the pressure behind the non-return valve. Aug 22, 2021 · dctmakes Setting up my Oxy/act rig. Using a flashback arrestor and a check valve can reduce gas flow and affect torch operation. A flashback happens when the flame travels back into the hoses and reaches the gas cylinders, causing a potentially deadly explosion. Aug 28, 2022 · When should flashback arrestors be used? A flashback arrestor or flash arrestor is a gas safety device most commonly used in oxy-fuel welding and cutting to stop the flame or reverse flow of gas back up into the equipment or supply line. Flashback arrestors (FBA’s) are commonly used safety devices that stop or impede the progress of a flame front upstream of the insertion point. These arrestors are designed to prevent ignition of mixed gases and protect equipment such as hoses, regulators, and cylinders. edu CAUTION—Do NOT attempt to repair flashback arrestors. Who needs them anyway? Watch this video on why you want a flashback arrestor on both your tank and your torch. A flashback arrestor can be in-stalled on the torch handle instead of a check valve. A flashback arrestor or flash arrestor is a special gas safety device most commonly used in oxy-fuel welding and cutting to stop the flame or reverse flow of gas back up into the equipment or supply line and it prevents the user and equipment from damage or explosions. Apr 21, 2025 · Install flashback arrestors on the gas supply and oxygen lines to stop the flame from traveling back into the hose. The Weldmark by Superior FBK200 flashback arrestor is designed to stop flashbacks by preventing ignition of mixed gases, protecting welding hoses, regulators and cylinders. Too high flow causes spitting, flame disturbance and reduces the effectiveness of flashback prevention devices. Safety Flashback arrestors, pressure regulators and isolated cylinder storage greatly reduce the risk of accident GCE is fully committed to the elimination of all risks in these processes, as for example oxy-fuel cutting, brazing, flame welding and different type of heating applications. Western’s Flashback Arrestors are designed to stop flashbacks by preventing ignition of mixed gases and to protect equipment such as hoses, regulators and cylinders. Reverse flow check valve prevents gas from backing up and mixing the into the supply system. If a flashback arrestor is in-stalled, a check valve is not necessary. Workmen in charge of the oxygen or fuel-gas supply equipment, including generators, and oxygen or fuel-gas distribution piping systems shall be instructed and judged competent by their employers for this important work before being left in charge. Reverse flow check valve prevents gas from backing up and mixing into the supply system. Probably 90% of all FBA’s used on oxy-fuel cutting and heating torches are designs which have sintered stainless steel elements. A typical welding torch installation is shown in the accompanying illustration. Like check valves, flashback arrestors must also be tested and changed periodically. txt) or read online for free. Watch our SmithTM Oxy-Fuel Safety video series for expert tips on handling oxy-fuel equipment. Flashback generally indicates a problem that should be repaired before proceeding with the job at hand. 150 cf Oxy #5, acetylene #3 tank 75 cf . Jan 3, 2024 · Flashback arrestors can and will create some gas flow restrictions, so make sure the unit can supply enough gas flow to support the tip being used, because insufficient gas flow can cause equipment malfunctions. I tested the Oxy-Acetylene Torch Flashback Arrestors and was impressed by their ability to prevent dangerous flashbacks. Only one operating unit may be installed in conjunction with a flashback arrestor. May 10, 2019 · My oxy is always at 20 psi, probably because you need that for cutting (and that's just the way I was taught over 50 years ago) and I've never had a problem. Mar 29, 2023 · Oxy-acetylene torches have been used for many years for cutting, welding, brazing, and heating metals. If used, it is very important that the arrestor be a high flow model, probably regulator mount, and that the appropriate pressure compensation charts are followed. Flashback arrestors on torch and regulators. A flashback arrestor is a reverse flow check valve which also prevents the propagation of a flame upstream. Flame or flashback arrestors used in oxy-acetylene equipment setups are a key Oxy Acetylene Fuel Gas Torch Fuel Flashback Arrestor with Quick Connector Pin, Brass, B Standard (Pack of 1) Apr 30, 2025 · In some cases it may also pass the regulator and ultimately reach the cylinder. Of course, there is no substitute for training and diligence among welders that utilize oxy-fuel equipment, but the use of flashback arrestors provides an additional safety net. Why Do We Need Check Valves or Flash Back Arrestors? “Suitable safety devices to prevent reverse gas flow and to arrest a flashback must be installed on each hose in an Oxy-fuel system, between the torch and the regulator. It is a torch style flash arrestor made from brass, with a stainless steel flame trap. There is no substitute for training and diligence among those who operate oxy-fuel equipment. The next section introduces you to flashback arrestor that can be used to contain the fire in oxy-acetylene torches and acetylene cylinders. Aug 4, 2022 · When appropriately used, oxy-fuel welding and cutting equipment is safe, and you don’t need extra protection. They function as a dust filter, flame arrestor, and non-return valve, providing ultimate protection against flashbacks and premature failure of REAd THiS BOOK THOROuGHLY ANd FOLLOW iNSTRuCTiONS! FAiLuRE TO uSE OSHA RECOMMENdEd FLASHBACK ARRESTORS COuLd RESuLT iN SERiOuS PERSONAL iNjuRY OR dEATH. Regulator and torch safety and convenience accessoriesHarris offers both regulator and torch check valves and flashback arrestors for use with oxygen and fuel gases. Non-return valves fitted to the hoses will detect and stop reverse gas flow preventing an inflammable oxygen and acetylene mixture from forming in the hose. They are often used with larger torch tips. If spitting continues the cylinder should be removed from service, marked or labelled and returned to the supplier. Amazing deals on this Torch Flashback Arrestor Set at Harbor Freight. In addition to our premium torch kits, we also offer an assortment of replacement torch tips, hoses, regulators, and other accessories. Introduction: Flashback arrestors and check valves are safety devices designed for oxy-fuel systems to prevent or control damage from an occurrence like a flashback. Additional marking, stamping or engraving in the arrestor by the user is strictly forbidden, as this can cause damage. Built for gas welding safety and compliance The Unitor Gas Distribution System is a complete solution for your acetylene and oxygen welding and cutting needs. What Are Dry Flashback Arrester? These flashback arresters use various types of safety elements to curb the flashback. Feb 6, 2022 · Going by definition, you’ll easily identify why flashback is dangerous, and why it must be prevented. " --Work Safe BC regulation 12. Flashback Arrestor Model 6103A and 6104B and Safety and Operating Instructions Reset Instructions for 6103A: In normal operating condition, the black control knob is toward the inlet, and the green ring is visible. This should result in safe and accident-free use of your oxy-fuel equipment. 253, Oxygen-fuel gas welding and cutting. All persons working with the safety device should read and observe the operating in-structions. Get yours today for peace of mind while working with gas! ALWAYS USE FLASH BACK ARRESTORS (purchased separately) READ THIS BOOK THOROUGHLY AND FOLLOW INSTRUCTIONS! FAILURE TO USE OSHA RECOMMENDED FLASHBACK ARRESTORS COULD RESULT IN SERIOUS PERSONAL INJURY OR DEATH. A Rexarc liquid flashback arrestor has four main components: Inlet pipe with a check valve Flow diverter Jul 15, 2023 · Flashback Arrestors for oxy, acetylene & LPG/propane equipment. Flashback arrestors are mandatory on both the torch and cylinder/regulator ends during gas welding with Dissolved Acetylene and Oxygen to prevent explosions and fire hazards. How do they work? Why is a Flashback dangerous? What are the safety requirements? …& more! Remove the torch reverse flow check valves before installing the torch type flashback arrestor. Designed to prevent flashbacks and protect equipment such as hoses, regulators, and cylinders, these arrestors ensure safe and reliable operation. Amazon. Personnel. Find and correct the cause before relighting the Torch. Where there is the possibility of condensed water in the acetylene delivery pipes/hoses, an adequate water filter should be installed before the arrestor. An Oxy-Acetylene outfit is portable, less expensive and more versatile than a electric welding set up. Ideally, these units should be mounted on the welding handles. Acetylene Flashback Arrestor Sintered stainless steel flame trap quenches the flashback flame before it travels back further into the system causing damage and possible injury. A flashback arrestor can restrict gas flow if it is too small for the application, causing backfires, short tip life, poor quality work, and even equipment damage. 5 bar, the control knob snaps toward the outlet end, hiding the green ring. Rules and instructions covering the operation and maintenance of oxygen or fuel-gas supply equipment including generators, and oxygen or And finally, be extremely careful with flashback arrestors in heavy heating applications. Welding safety equipment and awareness have flourished for the last several years as manufacturers Discover how to safely set up your oxy-fuel torch with step-by-step instructions, including purging techniques, correct gas pressures, and essential safety devices. The in line Acetylene flashback arrestor is the final safety feature to prevent flashback / decomposition from advancing to the high pressure part of the gas distribution system. They are used to prevent damage to equipment, but more importantly, to prevent personal injury. See full list on ehs. Harris' quick connectors provide convenience for connections to regulators and torches using oxygen, fuel gases and inert gases. For better protection, use flashback arrestors. Features Constructed from high quality durable materials Various choices for regulator and torch The average lifespan of a typical Flashback Arrestor is 18 months, depending on average use, by CGA and OSHA requirements for industrial applications. Add flashback arrestors at your torch. The What, Where, and When of Hose Type Flashback Arrestors Harris Products Group Flashback arrestors and check valves are safety devices designed for oxy-fuel systems to prevent or control damage from an occurrence like a flashback. Arresters with left-hand threads are for use with acetylene, hydrogen, and propane. An oxy-acetylene torch flashback arrestor is a safety device that prevents dangerous flashbacks from occurring while using an oxy-acetylene torch. CONTACT YOUR DISTRIBUTOR FOR CORRECT SIZE OF FLASHBACK ARRESTORS TO USE. pdf), Text File (. They didn't have those flashback arrestors when I first learned how to use an oxy/acetylene rig. In line Oxygen flashback arrestor is available as an accessory. Find everything you need for oxy fuel welding at Miller. At some point after I was in the trade, I noticed them on my company supplied torches. Jul 15, 2025 · Safe storage and handling is critical for keeping and transporting compressed gases. This Safety Article deals with the The pressure disappears over the leak in the atmosphere if the ball valve before and behind the flashback arrestor is closed and system was under pressure . Flashback Arrestors Part 1. Read and follow the safety information, all labels and the owner’s manual carefully before installing, operating or servicing equipment. The flashback arrestor is an automatic flame trap device designed not only to quench the flame but also to prevent the flame from reaching the regulator. cornell. 1. 04 All persons working with the safety device Inappropriate handling and unauthorised Oct 21, 2025 · Overview - Flashback Arrestors SuperFlash flashback arrestors are UL approved, and many are available with BAM certification. Here's how to prevent flashback when welding with oxy acetylene torches. Where Acetylene generators are used, a gas purifier must be installed directly before the arrestor. iMPORTANT Learn why flashback arrestors are essential for new welders, ensuring safety, equipment protection, and regulatory compliance in welding. May 18, 2025 · CIGWELD Comet Flashback Arrestor – Oxy-Fuel Set – Torch End | BOC Gas These COMET™ FBA’s are designed to prevent flashback flame and reverse flowing gases inside the regulator or blowpipe from burning or mixing in the hose and gas supply system. An Overview of Liquid Flashback Arrester Parts and Its Working Oxygen and Acetylene Regulators A vessel’s oxygen and acetylene supply is provided either by cylinders mounted securely in the workshop or from the preferred safer and more convenient Central Gas Installation Systems. A flashback arrestor can be installed on the torch handle instead of a check valve. Ensure safer oxy-acetylene operations with quality components and critical safety devices in one complete solution. Learn about oxygen acetylene torches, flashback arrestors, and ignitors with affiliate links for related products. Quality tools & low prices. Jan 21, 2025 · The manufacturer's instructions will provide the correct pressure ranges for your specific torch. The Series 801-7007 and 801-7008 Flashback Arrestor is an economically priced safety device suitable for installation at the inlets of hand or machine oxy-fuel gas torches. If a flashback arrestor is installed, a check valve is not neces-sary. Our patented built-in flashback arrestors and check valves promote exceptional safety and reliability. CONTACT FLAME TECHNOLOGiES OR YOuR diSTRiBuTOR FOR CORRECT SizE OF FLASHBACK ARRESTORS TO uSE. The 2-pack oxy-fuel gas flashback arrestors (torch-to-hose) is an essential safety accessory for oxy-fuel torch operation. Install Reverse Flow Check Valves or Flashback Arrestors At minimum, always install reverse flow check valves on your torch and regulators to prevent flashbacks and other safety hazards. Wrench-tighten the nuts. Jan 28, 1992 · This is a further response to your memorandum of October 4, 1991, in which you sought guidance as to when flashback arrestors and backflow protective equipment are required in fuel-gas supply systems, in keeping with the requirements of 29 CFR 1910. They are 100% tested for reverse flow, leak integrity, and flashback protection with actual flashbacks. The system operates by precisely mixing pure oxygen and acetylene gases to generate an intensely hot flame capable of melting steel. Both check valves and flashback arrestors are like they say, cheap insurance and should be included on every Oxy-Acetylene outfit! TORCHES Oxy-fuel systems using acetylene shall be fitted with a flashback arrestor within one metre of the pressure regulator and with a non-return valve, to prevent the return of gas towards the cylinder. Oxy‐Fuel Torch handle with built‐in check valves and flashback arrestors (or add‐on accessories) Heating/welding/brazing nozzle for acetylene fuel gas (size to be determined based on gas being used and cylinder size available) Oxy‐Fuel Equipment for Cutting Torch: Oxygen pressure reducing regulator A flashback arrestor can be installed on the torch handle instead of a check valve. They can reduce flow rates a little, this usually doesn't matter unless you are using big tips. The valve is protected from damage by sintered stainless steel flame trap. Contact CONCOA and request the FLASHBACK ARRESTORS brochure ADC-2194 (latest edition) for more information on Flashback Arrestors. The pressure cut-of valve closes at a pres-sure diference of max. After a flashback or reverse flow over 0. Pressure regulators reduce high cylinder pressures to safer levels while flashback arrestors stop reverse flow and flashbacks - enabling safe use of compressed gases like oxygen and acetylene on ships. Shop oxy acetylene welding equipment, including acetylene regulators, torches and hoses. doc / . The safety device is to install at the end of the arrestor the temperature cut-off valve is acti- Acetylene x 1. 120 Flashback prevention Click here for the publication from WorkSafe BC Jul 27, 2018 · The arrestor connects the same as the check valves, in the hose at the torch or regulator and contains a trap that is spring loaded that cuts off the gas flow in the event of a flashback. WESTERN FLASHBACK ARRESTORS–OXY/FUEL GAS Welders rely on Western’s advanced Flashback Arrestors to help prevent serious incidents caused by reverse gas flows or flashbacks. docx), PDF File (. An arrestor works by essentially creating a barrier with liquid to stop a flame within a piping or cylinder system before it reaches upline cylinders. 42 years ago did this at Rolls Royc We would like to show you a description here but the site won’t allow us. kbfuae nthgdv imztw ulljf civd bqpkl zbqjg uuusd xyymarh vgvr fewfrjw zkjib zxcsrn dnmeem yimhx