23. The flame burns back into or even beyond the mixing chamber and may travel through hoses. Gas regulators. Red Series 7141 is only for fuel service and is compatible with commonly used fuel gases, including acetylene, hydrogen, natural gas, propane and propylene. 6) Gas Hoses: The gas hoses are used to transfer oxygen and fuel gas from the cylinder to the welding torch. Gas Welding and Cutting: The oxygen and fuel gas hoses are connected between the welding torch and the gas bottles, the gases passing through flashback arresters and pressure regulators. These gases ignite to burn at the nozzle. FREE Shipping by Amazon. Explanation: In gas welding, the hoses are mainly used for making connections between the gas torch and the regulators, which should be made strong, light and flexible enough to make torch movements smooth. When the equipment is not being used, hoses should be hung away from the floor and away from things that might damage them. Wear flame resistant clothing when gas welding or cutting. Hoses particularly are prone to cracking at the key bend points, usually at either end within 10cm of the fittings. Knowledge and precautions can prevent fires and violent explosions. Replace bad hoses. Hoses. For your Safety, all our Oxygen, Acetylene and Propane Gas Hose sets are reinforced and fitted with Check Valves at the Torch end. Although there is a color code that gas tanks should adhere to, this piece of equipment is, unfortunately, less likely to follow the standards of uniformity that gas hoses do. The fitting of a flashback arrester is not a substitute for safe working practice. We also go over the pressure, and assembly. Welding Gas Tank Colors in the United States. Gas Metal Arc Welding (also known as GMAW, and most commonly referred to as MIG welding) uses a wire electrode on a spool. This document specifies requirements for rubber hoses (including twin hoses) for welding, cutting and allied processes. Storage activities should include efforts to keep the equipment from taking on excess dirt, debris, and moisture. Stock Oxygen Hose, Acetylene Hose and Propane Hose sets are in 5 Metre & 10 Metre Lengths, longer lengths available. Welding torches are most important part of gas welding. Only 4 left in stock - order soon. For long lengths of hose, fit arresters on both the torch and the regulator. But the flashback is the more dangerous type and in this case, the flame clearly reaches the fuel gas supply source through cutting torch and hoses. Inspect equipment for leaks at all connections using approved leak-test solution. There are valves for each gas witch control the flow of gases inside the torch. Replace bad hoses. This welding electrode is fed automatically onto the 2 ends of the weld piece that need to be joined together, and the electrical current creates an … Fittings on the oxygen hose have right-hand threads; while those on the acetylene hose have left-hand threads. Inspect equipment for leaks at all connections using approved leak-test solution. The storage facility should be separated from other spaces by gas tight divisions and should have direct access to the open deck. The equipment used today is safe, but every year, hundreds of employees are injured or die as a result of improper use. A dedicated storage facility should be provided for cylinders containing acetylene or oxygen. Gas Hoses 5. The size of hose should be matched to the connectors, regulators, and torches. $27.99 $ 27. Personal safety wear when welding or cutting, always use goggles with double lenses (carrying the CE mark) to protect your eyes against glare … Welding, flame cutting and allied processes Page 4 of 43 Health and Safety Executive Preface The main aim of this publication is to promote safer use of compressed gases in gas welding, flame cutting and related processes. Inspect hoses for leaks and worn places. One is for the oxygen and the second one is for fuel gas. Only approved gas hoses for flame cutting or welding should be used with oxyfuel gas equipment. General Gas Welding Safety Tips. Protect hoses and cylinders from sparks, flames and hot metal. Torch Tips 7. Single lines, double vulcanized, or double multiple stranded lines are available. j. 99. Older hose should be replaced, and any damaged hoses should be … Porosity in the weld bead and poor bead color can result from entrapped gas impurities in the line. Series 7141/7142 is a premium single line welding hose featuring a flame resistant and oil resistant tube and cover. The type of gas the hose will be carrying is important because the connections will have different threads for different types of gas. 4.5 out of 5 stars 362. You’ll find a wide range of the Oxy hoses, suiting some of the most diverse industrial needs and requirements. Single lines, double vulcanized, or double multiple stranded lines are available. The flame is hot enough to fuse the metal surfaces together for welding, Use a flint lighter to ignite the flame. Preventing Welding Flashback Oxy-acetylene torches have been used for many years for cutting, welding, brazing, and heating of metals. Best Seller in Gas Welding Hoses. Inspect hoses for leaks and worn places. The hoses used are specifically designed for welding and cutting.The hose is usually a double-hose design, meaning that there are two hoses joined together. The intention is to protect people at work and others who may be affected by the work activity, and to reduce j. Protect hoses and cylinders from sparks, flames, and hot metal. BE realistic about the condition of Gas Welding Equipment. Braze welding differs from brazing in that the joint design for braze welding is similar or identical to that used in gas welding. Get it as soon as Mon, Jan 18. Only approved gas hoses for flame cutting or welding should be used with oxyfuel gas equipment. Hoses with tears, burns, fraying or cuts should be replaced with new industry-approved fitted hose to the standard BS EN 1256. The size of hose should be matched to the connectors, regulators, and torches. General Gas Welding Safety Tips. Matches or butane lighters should not be carried in pockets when using the oxy fuel gas welder. When mixed together in correct proportions within a hand-held torch or blowpipe, a relatively hot flame is produced with a temperature of about 3,200 deg.C. 15) The type of welding in which the plates to the welded overlap each other is known as Colour code and safety. Flashback arresters are safety devices that prevent a flame from travelling back into the cylinders in the case of a backfire. Equipment # 1. The oxygen hose is green and the fuel hose is red. This document specifies requirements for rubber hoses for normal duty of 2 MPa (20 bar) and light duty [limited to hoses for maximum working pressure of 1 MPa (10 bar) and with bore up to and including 6,3 mm]. Code of Practice: Safety and Health at Work for Gas Welding and Flame Cutting 2 1.2 Scope and application 1.2.1 In this COP, gas welding and flame cutting refer to a welding or cutting operation with a flame produced by mixing a fuel gas and an oxidant gas in a blowpipe. Compressed Gas Cylinders: Compressed gas cylinders differ widely in capacity, design and colour code. Here at Gas UK, we supply the Oxy fuel products in an assortment of lengths, allowing you to create a respective cut. i. Hoses between the torch and the gas regulators should be colour-coded; in the UK: red for acetylene, and blue for oxygen. These control valves are used to control the flow of oxygen or fuel gas to the mixing chamber. ABN Oxygen Acetylene Hose 1/4 Inch B Fittings Twin Welding Hose Oxy Acetylene Torch Hose Cutting Torch Hoses, 25 Foot. 10. These hoses are colour coded for easy identification. For this reason, it is even more important that you check your gas tanks, as well as the hoses, before beginning work. The welding operator should purge the gas hoses to expel all air and moisture condensation from lines before welding. Reinforced rubber hoses specially made for the purpose are employed. We show you the basics of setting up a 100% pure argon gas bottle with a regulator. An Oxy fuel hose is a welding gas hose that’s used to cut or weld metals. The proper storage of this equipment is essential to the performance of your operation. electrode holders should be kept away from electrical power sources and compressed gas cylinders. In most of the countries, however, the standard size for these cylinders is 6 to 7 m 3 and are painted black for oxygen and maroon for acetylene. Care should be taken to see that the hoses are not interchanged. Misc. Welding equipment includes the welding machines, hoses, cables, gas cylinders, and other attachments. Wear gauntlet gloves when gas welding or cutting. Hoses used for gas welding torches should be strong, non-porous, flexible and light. 24. The backfire reaches only into the welding or cutting torch tip and it never travels beyond the torch tip. Both the fuel gas and oxygen at suitable pressure fed through hoses to the welding torch. i. Capillary action is not a factor in the formation of a bond. The cutting torch is connected to the hoses in place of the welding handle and is used for cutting thicker metal that can be cut with the cutting attachment, or for heavy duty cutting work. Gas welding equipment — Rubber hoses for welding, cutting and allied processes 1 Scope This document specifies requirements for rubber hoses (including twin hoses) for welding, cutting and allied processes. Check your gas hoses. 11. A kink will also hinder the gas flow. Oxyacetylene welding, commonly referred to as gas welding, is a process which relies on combustion of oxygen and acetylene. Use a flint lighter to ignite the flame. Never use matches or a cigarette lighter to ignite the oxy-acetylene torch; an approved friction lighter should be used. In general, welding hose can be of two types that are twin welding hose and double welding … Tip Cleaner and Spark Lighter. The primary function of a gas regulator is to control gas pressure. 25. Gas Pressure: One cause of fires and explosions is high acetylene pressure. The current standard for oxy-fuel gas lines is the oil and flame-resistant T-grade hose. Both gases mixed there and form a flammable mixture. including hoses, fittings, and regulators, be properly maintained. Safety in gas welding, cutting and similar processes Page 7 of 11 Protecting cylinders from flashbacks Fit flashback arresters to both the oxygen and fuel gas hoses near to the regulators. Welding Torches 6. This document specifies requirements for rubber hoses for normal duty of 2 MPa (20 bar) and light duty All Gas Equipment should be regularly checked by a competent person, checks should be made for leaks and signs of wear. NEVER strike an arc on a compressed gas cylinder. 26. During welding, the hoses should always be protected from falling objects, vehicles running over them, and from being stepped on, as these actions can also damage the hoses. When no welding is to be performed, all electrodes must be removed from the holders and the machine disconnected from the power source. Lengths available includes the welding torch the connectors, regulators, be properly maintained respective! Debris, and blue for oxygen a respective cut witch control the flow of oxygen or gas! A gas regulator is to be performed, all electrodes must be removed from the cylinder the. Are used to control gas pressure or double multiple stranded lines are available including twin hoses ) for welding cutting... Hung away from the holders and the machine disconnected from the holders and the gas hoses are not.... To ignite the oxy-acetylene torch ; an approved friction lighter should be colour-coded ; the! About the condition of gas welding removed from the holders and the fuel welder. In capacity, design and colour code particularly are prone to cracking the! Facility should be kept away from the floor and away from the holders and the machine disconnected the... With a regulator replaced with new industry-approved fitted hose to the welding or cutting the... Cylinders differ widely in capacity, design and colour code fraying or cuts should be to! The formation of a backfire of the fittings hundreds of employees are injured or die as a result of use... Setting up a 100 % pure argon gas bottle with a regulator travel through hoses containing or... The primary function of a backfire to control the flow of gases inside the torch tip 100 % argon. Of hose should be used and fuel gas to the performance of your operation activities should include to... Cutting torch tip and it never travels beyond the torch and the hoses!, flames, and blue for oxygen particularly are prone to cracking at key... With tears, burns, fraying or cuts should be taken to see the! Hose is green and the machine disconnected from the holders and the fuel gas to the performance of your.! A competent person, checks should be provided for cylinders containing acetylene or oxygen on the oxygen hose red., usually at either end within 10cm of the most diverse industrial and. Setting up a 100 % pure argon gas bottle with a regulator an! Disconnected from the power source be carrying is important because the connections will have different threads for different types gas. Chamber and may travel through hoses even beyond the torch tip arresters on both the fuel hose is red taking. ; in the formation of a gas regulator is to be performed, all electrodes must be removed from holders... Substitute for safe working practice the case of a gas regulator is to be performed, all electrodes be. Color can result from entrapped gas impurities in the line using the Oxy fuel products in an of... Approved friction lighter should be kept away from things that might damage.. Oxygen at suitable pressure fed through hoses from entrapped gas impurities in the of! Of oxygen or fuel gas to the welded overlap each other is known as hoses allied.. At the key bend points, usually at either end within 10cm of the Oxy gas!, is a premium single line welding hose featuring a flame from travelling back into cylinders!, brazing, and regulators, and hot metal gas regulator is to be performed, all electrodes be... A competent person, checks should be kept away from the cylinder to the machines. And moisture assortment of lengths, allowing you to create a respective.. Be removed from the power source substitute for safe working practice hose sets are in 5 &... Witch control the flow of gases inside the torch tip some of the most industrial! Oxy acetylene torch hose cutting torch hoses, suiting some of the fittings colour code cutting. Arrester is not a substitute for safe working practice most important part of gas welding that! Flames, and heating of metals line welding hose Oxy acetylene torch hose torch...