Best flashback arrestor for oxygen and acetylene Standard -Inch-Inch fittings for 1/4-Inch or 3/16-Inch hoses. Feb 6, 2022 · we are one of the leading manufacturers of liquid flashback arresters for oxygen and acetylene applications. Welspo has a product line dedicated to Home & Garden accessories, such as wireless mouse and thread regulator. 【Check Valve Apr 30, 2025 · No. Reverse Flow Check Valves: Helps to prevent the reverse flow of gases from traveling past the check valve. A FLASHBACK ARRESTOR IS A SAFETY DEVICE USED IN PROCESS GAS SYSTEMS SUCH AS OXYGEN-FUEL WELDING AND CUTTING. CONCOA flashback arrestors should not be used with acetylene generators, hydraulic flashback arrestors or liquid fluxing systems upstream of installation. Quality tools & low prices. 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. For installation between the torch and hoses. The one-way valve design allows May 13, 2025 · No. The maximum bearing pressure of oxygen check valve is 15bar/210PSI. 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 A flashback arrestor is a critical safety device used in gas welding, cutting, and heating systems to prevent flame flashbacks and reverse gas flow. Acetylene needs a flashback arrestor at all times because unlike propane it can self-decompose and release a lot of heat even without oxygen to fully burn. Nov 14, 2025 · About this item Flashback arrestor set has internal check valves for both oxygen and acetylene Standard -Inch B-Inch fittings for 9/16 -18 threads, B size. 1 Choice for Flame Arrestors (Flashback Arrestors) certified and under surveillance by The Federal Institute for Materials Research and Testing (German: Bundesanstalt fur Materialforschung und -prufung, or BAM) and OCIMF/RIGHTSHIP compliant. 3 days ago · These flashback arrestors are best for all oxy-acetylene torch users, from beginners to professionals, who prioritize safety and need an affordable, effective solution to protect their equipment and themselves from potential hazards. -Flashback arrestor set has internal check valves for both oxygen and acetylene -ISO 9001 Certified. Every Arrestor 100% tested. The maximum bearing pressure of acetylene check valve is 1. Check valves can stop the reverse flow of gases, but will not prevent flashbacks. Secondly, the in-built non-return valve (NV) prevents reverse flow of gases, thereby preventing a gas mixture from reaching pipelines or cylinders. Here's how to prevent flashback when welding with oxy acetylene torches. NOTE: The acetylene arrestor in this set can also be used for Propane or Mapp gas. Where should the flashback arrestors be installed on an oxygen acetylene torch? To prevent flashbacks, flashback arrestors must be installed on the outlets of both regulators, and/or torch inlets. 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. How do they work? Why is a Flashback dangerous? What are the safety requirements? …& more! Rexarc’s hydraulic flashback arrestors have been widely used in facilities using acetylene and compressed oxygen cylinders and torches. Reverse flow check valve prevents gas from backing up and mixing the into the supply system. We would like to show you a description here but the site won’t allow us. -Material: Solid Brass construction for long life. Find top brands, exclusive offers, and unbeatable prices on eBay. WITT flashback arrestors or flame arrestors 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. GENTEC® Flashback Arrestors are specially designed to prevent personal injury and damage to equipment from severe flashbacks. Aug 17, 2023 · The flashback arrestor is made of pure copper, which is sturdy and durable. If the user has installed a cutting tip or heating tip that has a high flow demand, the restrictions created by having a flashback arrestor at both the Nov 23, 2020 · 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. Sep 16, 2024 · Join the WeldFab community for industry-leading insights and innovation. The use of flashback arrestors located at the regulator outlets and at the torch can potentially create an additional hazard by restricting the flow of oxygen and/or fuel to the torch tip. Sep 20, 2023 · 【2-Pack & Durable Material】The flashback arrestor is made of pure copper, which is sturdy and durable. 5bar/21PSI. Airgas offers a wide variety of check valves & flash arrestors critical for on the job safety by preventing reverse gas flow & extinguishing flashback fire. use excessive flow restriction. Torch and regulator models provide full use upstream protection. Supplies and solutions for every industry, plus easy ordering, fast delivery and 24/7 customer support. For total protection, 801-7003 and 801-7004 Series Flashback Arrestors should be installed on both oxygen and fuel gas. Oct 21, 2025 · Set of flashback arrestors for Acetylene and Oxygen with 6mm hose socket for use at the UCT-500 shank, especially when long gas hose is used. They are used to prevent damage to equipment, but more importantly, to prevent personal injury. In line Oxygen flashback arrestor is available as an accessory. Probably 90% of all FBA’s used on oxy-fuel cutting and heating torches are designs which have sintered stainless steel elements. GENTEC® flashback arrestors are available for regulators, torches, and pipes. How can you tell if the torch you are using has flashback arrestors and check valves? Any flashback arrestor, to be effective, should be designed to handle the most severe conditions. They also provide a flashback arrester for acetylene cylinder. 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. Fittings for 9/16 -18 threads, B size. Features / Specifications of Oxygen/Acetylene flashback arrestor Suits all standard BOC, CIG, Liquid Air and Generic Torches and Hoses ISO 9001 Certified Max Flow Oxygen ~ 7000 lph Max Flow Acetylene ~ 2600 lph Max Operating Pressure Oxygen ~ 10 Bar Oct 21, 2025 · Primarily, the flashback arrestors having flame filter (FA) to quench the flame front of a flashback or a burnback. The inner diameter of hose is 1/4 inch, which supply optimal flow rate in the maximum pressure of 300 PSI (20 Bar). The following pointers will help you understand the working of these devices in industrial setups. 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 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. Jul 15, 2025 · Safe storage and handling is critical for keeping and transporting compressed gases. They are only effective for the designed purpose if their performance is within the design specifications. Apr 30, 2025 · In some cases it may also pass the regulator and ultimately reach the cylinder. 【Working Pressure】The maximum bearing pressure of oxygen check valve is 15bar/210PSI. They are often used with larger torch tips. Protect regulators and gas cylinder against flashback and detonation. Explore a wide range of our Acetylene Flashback Arrestor selection. Torch Cutting Basics Everyone Should Know | Oxygen & Acetylene Fuel Flashback Arrestors DIN EN ISO 5175-1 - Protection against flashbacks and reverse gas flow Oct 21, 2025 · Overview - Flashback Arrestors SuperFlash flashback arrestors are UL approved, and many are available with BAM certification. Shop now for fast shipping and easy returns! Jul 15, 2023 · Flashback Arrestors for oxy, acetylene & LPG/propane equipment. 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. 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. Apr 11, 2025 · No. A temperature sensitive cut-off valve TV extinguishes sustained flashbacks long before the internal temperature of the arrestors reaches a dangerous level. 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. Attach at the regulator. The one-way valve design allows the ThE BEST FLAShBAcK ARRESTORS in ThE wORLd A large surface area flame arrestor FA of stainless steel construction extinguishes and dangerous flashback entering the device in any direction. When it comes to Oxy-Fuel Flashback Arrestors & Check Valves, you can count on Grainger. THE ARRESTORS STOP THE FLAME OR REVERSE FLOW OF GAS BACK UP INTO THE STORAGE BOTTLES OR SUPPLY LINE. They are 100% tested for reverse flow, leak integrity, and flashback protection with actual flashbacks. Protect regulators and gas cylinder against flashback. Our Flashback arrestor is an Oxygen/Acetylene flashback arrestor for 8mm hose or other sizes. Overall Pick Oxygen and Acetylene Flashback Arrestors Set 2-Set Regulator End 9/16-18 Threads B Size 50+ bought in past month Save 5% with coupon Add to cart 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. -Attach at the regulator. Aug 4, 2022 · This article will discuss oxyfuel welding safety, covering the common issues with flashbacks and backfire and the ways to prevent them. Sep 20, 2023 · The 2-Pack flashback arrestor is made of pure copper, which is sturdy and durable. May 4, 2018 · Preventing Welding Flashback - Oxy-acetylene torches have been used for many years for cutting, welding, brazing, and heating of metals. FLASHBACK ARRESTOR W-66S OXYGEN No. If this happens inside a tank, the tank has to be soaked with a hose for hours while it burns out otherwise it will overheat and explode. It is always better to place the safety devices at the rear of the torch than at the regula Jun 15, 2020 · WiTisve Oxygen Acetylene Flashback Arrestors Set Regulator End - Amazon. TWIN HOSE: The length of each welding hose is 25 feet. They comprise several components, which assure effective fire quenching. In this article, we will delve into the significance of flashback arrestors, their components, and how to properly use them to ensure a secure welding experience. Torch End Connection. 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 after any flashback or . Sep 8, 2023 · Oxygen Acetylene Flashback arrestor set has internal check valves for both oxygen and acetylene. We do everything we can to provide users with the best quality products, make life Nov 21, 2008 · 2. Page: 1/2Product g^B): 171 Product number: 708537 No. The equipment used Oxygen and Acetylene Flashback Arrestors Set 2-Set Regulator End 9/16-18 Threads B Size 50+ bought in past month Save 5% with coupon Add to cart I tested the Oxy-Acetylene Torch Flashback Arrestors and was impressed by their ability to prevent dangerous flashbacks. 【Specification】The thread specification of air inlet and air outlet of flashback arrestor is 9/16-18 B size. A mixture of 35% Acetylene and 65% Oxygen has the greatest amount of explosive force and any flashback arrestor you choose should be tested to provide protection under the most severe conditions. The thread specification of air inlet and air outlet of flashback arrestor is 9/16-18 B size. They help prevent the penetration of the gas into upstream equipment such as gas cylinders, hoses, and regulators. To prevent flashbacks, flashback arrestors must be installed on the outlets of both regulators, and/or torch inlets. Mar 29, 2023 · A flashback or flame arrestor is installed between the torch & regulator on both acetylene and oxygen lines. 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. Amazing deals on this Torch Flashback Arrestor Set at Harbor Freight. Flashback Arrestors (FBAs) properly fitted and maintained are an important safety device in oxygen - fuel gas applications. So let’s ignite our curiosity and explore the world of Oxy-Acetylene Torch Flashback Arrestors together. com-9/16 -18 threads, B Size. 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. The flashback arrestors are suitable for most technical gases (fuel gases) such as acetylene, hydrogen, methane, propane, propylene and butane as well as oxygen and compressed air. Flashback Arrestors: Prevents a flame from traveling past the flashback arrestor in the event of a flashback. Oct 26, 2011 · Product Description Flashback arrestor set has internal check valves for both oxygen and acetylene. Consult Wilhelmsen's 708537 brochure on DirectIndustry. Complete installation, testing and operating instructions included. Protect regulators and gas cylinder against WITT Super Flashback Arrestors for reliable protection against dangerous reverse gas flow and flashbacks in accordance with DIN EN 5175-1/DIN EN 5175-2. comWeslpo specialize in the production of Home & Garden, Baby & Kids outdoor sports, games and toys, and accessories. Jul 21, 2022 · Welspo Oxygen Acetylene Flashback Arrestors Set 9/16-18 Threads for Torch - Amazon. The Oxygen Acetylene Flashback Arrestors Set is built for welding safety, featuring color-coded brass fittings, quick regulator installation, and internal check valves to stop flame or gas from traveling back into the tanks. Oct 11, 2024 · Note: The acetylene arrestor in this set can also be used for Propane or Mapp gas Check Valve: The one-way valve design allows the flashback arrestor to guarantee that gas can merely flow in one direction instead of back flow to prevent accidents Brass Material: The flashback arrestor is formed by pure copper, which is sturdy and durability. A flashback arrestor is most commonly used in oxy-fuel welding. Get yours today for peace of mind while working with gas! Oct 10, 2010 · The use of flashback arrestors located at the regulator outlets and at the torch can potentially create an additional hazard by restricting the flow of oxygen and/or fuel to Aug 22, 2007 · Safety critical when using oxyacetylene process Commonly used for welding, cutting, brazing and heating, the oxyacetylene process is still one of the best techniques available for many applications. 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. Internal check valves designed to prevent reverse flow and subsequent mixing of oxygen and fuel gases. Apr 30, 2025 · Set of torch shank flashback arrestors for Acetylene and Oxygen, especially when long gas hose is used. WITT Flashback Arrestors may be mounted in any position /orientation only one piece of equipment may be connected to a single Flashback Arrestor the maximum ambient / working temperature is 60 °C / 140 °F gases: acetylene, town gas, natural gas, LPG, hydrogen, oxygen, compressed air, ethylene (more upon request) Maintenance: Flashback arrestors are commonly used safety devices that stop or impede the progress of a flame front upstream of the insertion point. The valve is protected from damage by sintered stainless steel flame trap.