: Flashback arrestor Re-settable flashback arrestors offer four (4) safety devices in each unit. The 6104B Series are dry type flashback protection devices, featuring high purity materials and design. Probably 90% of all FBA’s used on oxy-fuel cutting and heating torches are designs which have sintered stainless steel elements. Flame Tech recommends flashback arrestors on torches and/or regulators for all applications. edu Choose from our selection of flashback arresters in a wide range of styles and sizes. Flashback Arrestors: Prevents a flame from traveling past the flashback arrestor in the event of a flashback. This prevents the return flow in an instant, so an explosive gas mixture cannot occur. The flashback arrestors / flame arrestors are mountable in any orientation and are available with all connections and in brass or stainless steel. Built from high-quality materials in a state-of-the-art facility, it delivers Jul 15, 2025 · Flashback arrestor testing procedures require arrestors to be tested or replaced by a competent person at least once every 12 months, to ensure that the arrestor is still working correctly. Aug 4, 2022 · This article will discuss oxyfuel welding safety, covering the common issues with flashbacks and backfire and the ways to prevent them. It is impossible to intervene manually and prevent the accident. This article covers some basic information about regulator flashback arrestors. The flashback arrestor works by using a flame-resistant element to quench any flames that might try to travel back through the gas supply line. Mar 29, 2023 · A flashback or flame arrestor is installed between the torch & regulator on both acetylene and oxygen lines. The valve is held open by the energy in the gas stream and closes when downstream pressure is approximately equal to or greater than that in the normal direction of flow. cornell. Price and other details may vary based on product size and color. Mar 30, 2021 · Flashback arrestors are also known as Flash arrestor. The check Learn why flashback arrestors are essential for new welders, ensuring safety, equipment protection, and regulatory compliance in welding. Flashback arrestors are found in the market in different sizes and flow rate. This Heavy-Duty versatile kit comes with our classic SC cutting assembly with a heating tip, welding tip, cutting tip and torch-mount flashback arrestors, plus safety and operations manual. -This means testing at least once per year (with couplings coupled and uncoupled being tested every six months) for gas leaks and gas reverse flow. Nov 23, 2020 · Flashback arrestors include a minimum of two elements or functions: a check valve (a non-return valve) which prevents the passage of gas in a direction opposite to the flow and creation of a dangerous gas mixture. Oct 21, 2025 · The flashback arrestors supplied by Unitor are designed for use both with gas cylinders and gas outlet stations and incorporate the safety functions in the 'Features' list above. Oct 21, 2025 · Overview - Flashback Arrestors SuperFlash flashback arrestors are UL approved, and many are available with BAM certification. SuperFlash is known for a variety of solutions to different challenges with compressed and welding gases. The GENTEC® Flashback Arrestors are specially designed to prevent personal injury and damage to equipment from severe flashbacks. The flashback arrestors (FBA) can be used on single cylinders (regulator mounted), torches as well as on cutting machines. They are used to prevent damage to equipment, but more importantly, to prevent personal injury. Jan 28, 1992 · Equipment for Welding Operations 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. Apr 30, 2025 · Set of torch shank flashback arrestors for Acetylene and Oxygen, especially when long gas hose is used. Here is the list of top benefits and uses of flash arrestor. When explosive gases are transferred there could be a spark, leak, or other circumstances that Flashback arrestors are multifunctional devices and typically use a combination of different elements (different safety functions) to stop a flashback and/or reverse flow of gas. Keep your welding process safe with these high-quality arrestors. A flashback occurs when the flame fromKeep reading! WITT flashback arrestors / flame arrestors (FBA) are used to protect single cylinders, outlet points or pipelines and can be used for almost all technical gases such as acetylene, propane, propylene, ethylene, methane, hydrogen or oxygen. Furthermore, it is the ideal protection at cylinder regulators, distribution lines, tapping points and gas distributors Airgas offers a wide variety of check valves & flash arrestors critical for on the job safety by preventing reverse gas flow & extinguishing flashback fire. 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. This device protects the user and the equipment from any damage or from getting the gas cylinder exploded. May 13, 2025 · No. 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. Oxygen Flashback Arrestor Sintered stainless steel flame trap quenches the flashback flame before it travels back further into the system causing damage and possible injury. Equipped with floor stands and flashback fluid (non-absorbing ethylene glycol), they help prevent the penetration of the gas into upstream equipment such as gas cylinders, hoses, and regulators. It is a torch style flash arrestor made from brass, with a stainless steel flame trap. Quality tools & low prices. The Sentinel Plus patented flashback system prevents backfires and flashbacks from reaching the regulator or gas supply, while alerting operators to abnormal conditions. Understanding how the LFA works and its annual maintenance needs will help optimize its performance. When working with fuel gases, a dangerous situation can arise at any time. Oct 28, 2019 · A flashback arrestor is a safety device that is installed in a welding system to help prevent flashbacks. Regulator and torch safety and convenience accessoriesHarris offers both regulator and torch check valves and flashback arrestors for use with oxygen and fuel gases. 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. Reverse flow check valve prevents gas from backing up and mixing by the into the supply system. Jan 28, 2025 · Discover the essential role of flashback arrestors in welding safety. Check valves ensure unidirectional flow of compressed gases. May 4, 2018 · Preventing Welding Flashback Oxy-acetylene torches have been used for many years for cutting, welding, brazing, and heating of metals. High-quality materials and filters in the gas inlet provide long service life of WITT flashback arrestors / flame arrestors. Standard with 1/4” FNPT inlet and 1/4” MNPT outlet connections making it easy to adapt for various applications. Knowledge and precautions can prevent fires and violent explosions. I tested the Oxy-Acetylene Torch Flashback Arrestors and was amazed by their reliability. Stainless steel flashback arrestors are designed for oxygen, hydrogen and other flammable or fuel gases. However, a Flash Back Arrestor prevents reverse gas flow AND arrests the flashback. It is always better to place the safety devices at the rear of the torch than at the regula This inline flashback arrestor prevents flashback in oxy-fuel gas systems. Features Constructed from high quality durable materials Various choices for regulator and torch WITT Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks according to DIN EN ISO 5175-1. The equipment used today is safe, but every year, hundreds of employees are injured or die as a result of improper use. In the event of a flashback, the flame rips along the gas line at twice the speed of sound. Reverse Flow Check Valves: Helps to prevent the reverse flow of gases from traveling past the check valve. Rexarc’s flashback arresters are designed for use in facilities, where acetylene gas is used for oxy-welding and cutting processes as well as where any fuel gas is combined Flashback arrestors help to prevent personal injury and property damage by stopping gas flow during flashbacks/burnbacks. But if the gases do mix, the unit will still deal with the flashback, as the flame arrestor kicks in. Red fuel and green oxygen labels are included. A GCE flashback arrestor is a safety device used in welding and cutting operations to prevent flashbacks, which are dangerous flames or explosions that can travel back into the gas supply lines. In Oct 21, 2025 · For the last 60 years, SuperFlash and IBEDA brand flashback arrestors, quick connectors, manifolds, heating solutions, and other compressed gas equipment have protected and served millions of compressed gas users and welders in more than 100 countries. Can the flash back arrestor be repaired after it is used? After a flashback or a backfire, the arrestor cannot be reset – it must be replaced. Learn about flashbacks, their causes, and how these devices prevent dangerous incidents, ensuring safer welding operations. A Rexarc Liquid Flashback Arrester (LFA) on a system ensures safety and the continued efficient and effective operation. Flashback Arrestors have a flame barrier which stops a rapid flame propagation through hoses, regulators and torches. A flashback arrestor is a gas safety device that prevents flame or gas reverse flow in oxy-fuel welding and cutting. Annual Flashback Arrestor Maintenance Enhances Safety Safety is key to those working around gas distribution systems. Every Arrestor 100% tested. The Hydraulic Flash Arrestor is designed to provide protection in medium pressure fuel gas piping systems. A flashback arrestor is most commonly used in oxy-fuel welding. Alphaweld provides the highest-quality flashback arrestors ranging from standard flow flashbacks to medium and high flow flashbacks. use excessive flow restriction. The Weldmark by Superior FBK200 flashback arrestor is designed to stop flashbacks by preventing ignition of mixed gases, protecting welding hoses, regulators and cylinders. How does a flashback arrestor work? If unwanted gases flow through the pipeline in a hazardous event, the spring-loaded non-return valve is activated. Rexarc’s hydraulic flashback arrestors have been widely used in facilities using acetylene and compressed oxygen cylinders and torches. . 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 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. UL® listed. 253, Oxygen-fuel gas welding and cutting. Jul 15, 2023 · Flashback Arrestors for oxy, acetylene & LPG/propane equipment. The element is typically made of sintered metal or ceramic, and is designed to allow gas to flow through it freely, but to block the passage of 1-48 of 359 results for "flashback arrestor" Results Check each product page for other buying options. What is a flame or flashback arrestor? When a flammable mixture of fuel gas and air or oxygen is present in a gas line upstream of a welding or cutting blowpipe, flame can flash back into the gas line, and there is the possibility of a serious accident. They are 100% tested for reverse flow, leak integrity, and flashback protection with actual flashbacks. (Sidebar: Rexarc offers various types of arrestors Model 88-5 FBR R L FlashGuard regulator-type B-size flashback arrestors for use with oxygen and fuel gas Maintenance: -The flashback arrestor and coupling must be tested at regular intervals by a trained and authorized person according to your local safety regulations. Working of Rexarc’s Liquid Flashback Arresters Explained Liquid flashback arresters by Rexarc are designed for medium pressure operations. #oxyacetylene #weldingsafety Apr 30, 2025 · No. Torches can cut up to 5/8 inch (16 mm) with tips included. See full list on ehs. A flame or flashback arrestor is a safety device designed to stop a flame in its tracks. Call us today at 1-800-783-8833 Safety accessories WHaT arE flaSHBaCK arrESTorS Flashback Arrestors prevent reverse flow of gases with built-in check valves and extinguishes flashback fire with a stainless steel sintered how element. Apr 15, 2024 · It's critical to use high-quality flashback arrestors that conform to The Australian standard AS4603-1999 ("Flashback arresters — Safety devices for use with fuel gases and oxygen or compressed air"). They provide a simple, effective way to prevent Flashback arrestors (FBA) with flame arrestor IBEDA as a manufacturer provides a wide range of flashback arrestors (safety devices with flame arrestors). The safety device provides protection against Flashback Arrestors Flashback arrestors (FBA’s) are commonly used safety devices that stop or impede the progress of a flame front upstream of the insertion point. A flashback arrestor is a critical safety device used in gas welding, cutting, and heating systems to prevent flame flashbacks and reverse gas flow. Flash arrestors are typically used on torch applications but should also be used in systems where you want to protect your upstream equipment from the backward progression of a flame. Oct 16, 2020 · Flashback | Flame Arrestor Working and Types Flashback | Flame Arrestor Working and Types Flashback | Flame Arrestor Working and Types Flame arrestor is a safety device which is used to inhibit the flame propagating through equipment. Flashback Arrestors INCREASE SAFETY IN WELDING AND CUTTING Western’s Flashback Arrestors are designed to quench flashbacks thereby protecting equipment such as hoses, regulators and cylinders. The valve is protected from damage sintered stainless steel flame trap. The best Flashback Arrestors in the world a large surface area flame arrestor FA of stainless steel construction extinguishes any dangerous flashback entering the device in any direction a temperature-sensitive cut-off valve TV FLASHBACK ARRESTORS What everyone should know about flashback arrestors and associated safety devices. It is a gas safety device. Learn about the types, functions, standards and applications of flashback arrestors from this article. flashback arrestors work Amazing deals on this Torch Flashback Arrestor Set at Harbor Freight. They help prevent the penetration of the gas into upstream equipment such as gas cylinders, hoses, and regulators. A check valve cannot arrest a flash back. The equipment which involves flammable vapours and gases or reactive gases is in potential danger to get burnt or exploded in case the vapours catch fire. Jul 31, 2019 · Flashback Arrestors is a safety device that is used in welding and cutting. How do they work? Why is a Flashback dangerous? What are the safety requirements? …& more! FLASHBACK ARRESTORS What everyone should know about flashback arrestors and associated safety devices. Uniweld’s flashback arrestors also have built-in check valves to prevent reverse flow of gases. Protect regulators and gas cylinder against flashback. These devices help protect the main gas supply from flashback or reverse flow. GENTEC® flashback arrestors are available for regulators, torches, and pipes. Safety features include protection against flashbacks with a wide range of mixtures of oxygen or air with flammable gases including hydrogen, acetylene, methane, and LPG gases. A Guide To The Selection Of Flashback Arrestors This booklet is designed to help you decide whether you need flashback arrestors and help you choose the best models for your needs. They are used to prevent damage to equipment, but more importantly to prevent personal injury. Same and Next Day Delivery. 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. WITT flashback arrestors have revolutionized fuel gas accident prevention, and are used throughout the world today. These devices are designed to protect both the equipment and the operator by stopping flames from traveling back into gas hoses, regulators, and cylinders—a potentially explosive hazard. Flashback arrestors are commonly used safety devices that stop or impede the progress of a flame front upstream of the insertion point. 1 Choice for Flame Arrestors (Flashback Arrestors) certified and under surveillance by The Federal Institute for Materials Research and Testing (German: Bundesanstalt für Materialforschung und -prüfung, or BAM) and OCIMF/RIGHTSHIP compliant. Harris' quick connectors provide convenience for connections to regulators and torches using oxygen, fuel gases and inert gases. Flashback Arrestors also include an internal Check Valve which is protected by the flame barrier. Gas Pressure: One cause of fires and explosions is high acetylene Flashback arrestors are commonly used safety devices that stop or impede the progress of a flame front upstream of the insertion point. It is a device used in welding and cutting to stop the reverse flow of gas as well as flash back into the supplier’s line. Flashback arrestors quench backfire and flashback at the torch or regulator. - **Backfire Prevention Choose from our selection of flashback flame arresters in a wide range of styles and sizes. An internal check valve prevents backflow while a sintered metal filter absorbs the heat and extinguishes the flame from a flashback. This could allow the flame to get past the torch and into the hoses. **Key Features:** - **Flashback Protection**: Designed to stop flames or explosive forces from traveling up the gas line, ensuring safe operation and preventing damage or injury.

Flashback arrestor. Protect regulators and gas cylinder against flashback.