Gas cutting torch pdf

Compressed gas cylinders themselves are potential hazards. Took a little getting used to difference in getting it adjusted properly compared to acetylene torch but with correct size tips for job it works good. Distributor channel partner of gas cutting products gas cutting torch, steel mill torch, messer cutting torch and lpg cylinder adaptor offered by synergic solutions, coimbatore, tamil nadu. By creating a safe work environment and carefully monitoring. Apr 16, 2017 welding torches are most important part of gas welding. If the oxy welding cutting equipment is to be operated in a dangerous or hostile environment, the userclient. Here are a few facts and tips to keep our employees safe when using an oxy fuel gas cutting torch. Gas cutting products we offer messer make oxyfuel range of products, which confirms to international standards of manufacturing and offers various range of products as listed below. Oxyfuel cutting is a process used to sever steel via a chemical reaction of oxygen with the base metal at elevated temperature. For a typical oxygas cutting outfit, also referred to as a cutting rig figure 41, you need. Careless use of oxyfuel torches has caused many fires.

Setup and shutdown procedure for oxy fuel cutting torch. Fundamentals of gas cutting and welding cedengineering. Cutting of metals by means of flame has many advantages over other methods, specially when the metal is of irregular shape. With the x 21 pressure torch, the gases are mixed in the torch head, which increases safety against flashbacks. Oxyfuel gas cutting torch safety reminders fuel gas cutting tools are some of the most common tools used on our job sites, however at times, they are also some of the most misused tools. Brass forged bodies and heads help provide longlasting durability. We use cookies to improve your browsing experience and help us improve our websites.

Gas cutting torch top lever handle, bottom lever handle. Blow out new hoses with 5 psi before connecting to torch vent gases safely. Move the torch in a straight line to keep a straight cut, and move the torch at a uniform speed at which the flame is cutting through the metal. They are often found with leaking hoses, incorrect repairs, broken glass, nonfunctioning regulators, clogged tips, cracked barrels, or what have you. Oxyfuel gas cutting torch safety reminders fuel gas. Gas cutting the common methods used in cutting metal are. Cutting torch attachments heating and welding torch. Find attachments that feature stainless steel tubes, flipup levels and easeon cutting oxygen valves. Fuel gas shall not be used from cylinders through torches or other devices which are equipped with shutoff valves without reducing the pressure through a suitable regulator attached to the cylinder valve or. The torch, tip and heat shield are heated to a very high tem perature. If you calculate the volume of 100 feet of hose with an inside diameter of 14 inch, this means, should oxygen enter the fuel gas hose or should fuel gas enter the oxygen hose.

Torch handle welding nozzle cutting attachment cutting tip heating nozzle oxygen regulators fuel gas regulator 03842009 h 315fc w 1,3,5 ca 2460 11101 8mfa csr 450d540 csr 460a510 03842011 h 315fc w 1,3,5 ca 2460 11101 8mfa csr 450d540 csr 460a300 part no. Fundamentals of gas cutting and welding ced engineering. Mapp gas can be used at much higher pressures than acetylene, sometimes up to 40 or 50 psi in highvolume oxyfuel cutting torches which can cut up to 12inchthick 300 mm steel. Purchased couple other sized tips to go with kit for cutting thicker and thinner materials. Are we wellinformed enough to make the best choice of fuel gas for oxyfuel cutting. It is similar to a welding torch, but can be identified by the oxygen blast trigger or lever. Oxy fuel welding, also known as gas welding or oxyacetylene welding, is a process that uses oxygen and gases such as acetylene, propylene, or propane, to weld and cut metal. The rct utilizes a proprietary mixture of powdered metals contained inside the torch body which burn at very high temperature on ignition by the gas generator. Safety in gas welding, cutting and similar processes page 3 of 11 preventing fire from heat, sparks, molten metal or direct contact with flame the flame from an oxyfuel gas torch often called a blowpipe is a very powerful source of ignition.

A flashback flame arrestor is a device that prevents the propagation of a flame upstream. Miller offers gas equipment to completely outfit your oxy fuel needs including outfits, regulators, torches, tips and gas mixers. The chemical action of the oxyacetylene flame can be adjusted by changing the ratio of the volume of oxygen to acetylene, using the valves on the torch or. The sustained flashback might occur when the tip is clogged up with slag during the cutting operation. When a special wrench is required, it shall be left in position on the stem of the valve while the cylinder is in use so that the fuel gas flow can be shut off quickly in case of an emergency. Smoking or open flames are prohibited in gas cylinder storage areas. For quick closing, valves on fuel gas cylinders shall not be opened more than 1 12 turns. Both gases mixed there and form a flammable mixture. The equipments used for gas cutting is similar to that of gas welding except that the welding torch is replaced by a special designed cutting torch. Radial cutting torch the radial cutting torch rct is a patented cutting device used to sever tubing, casing, drill pipe and coil tubing.

The oxygas cutting torch has many uses in steelwork. Other welding gases that develop comparable temperatures need special. Remember that all torchs are not the same yours may be. Bulldog torch hc 1c bulldog heavy industry straight cutting torch, 36 inch overall length, 90 degree head, ti. Length of tip speed oxygen fuel cutting oxygen bevel size ipm pressure pressure pressure 1 112 2 212 3 31. If the torch regulators and gases are done being used for a while, follow these procedures. Make sure a sign is in place to inform all personnel. The gas pressure must be within the appropriate range. Gas oxyfuelcutting gas weldinggas regulator one stage two stage.

Regulators for industrial gases oxygen, lpg, acetylene, argon, co2, helium, hydrogen, nitrogen. If not stopped, the fire can travel through and damage the torch, hoses and explode the cylinder. Once this temperature is attained, oxygen is supplied to the heated parts by pressing the oxygenblast trigger. Check valves and flashback arrestors are safety devices for protecting workers using oxyfuel cutting and welding equipment. Good tips, and info to help you have a better understanding of what this thing can do. Some models feature thickwall, highcapacity 3tube construction to help deliver higher gas flow and superior. This checklist helps employers and employees in general industry and construction comply with the occupational safety and health administration oshas standards for welding, cutting, and brazing. Builtin flashback arrestors and check valves for optimum safety. The harris products group is a world leader in metal working products used in the brazing, soldering, welding, cutting and gas distribution industries. Mar 24, 2016 how to use, and get better at using a acetylene torch. The company was formed in 2006 with the merger of harris calorific, inc. Oxygen and acetylene use and safety virginia department of. The flame from an oxyfuel gas torch often called a blowpipe is a very powerful.

Both the fuel gas and oxygen at suitable pressure fed through hoses to the welding torch. This document has been prepared by boc limited abn 95 000 029 729 boc, as general information. Btmp for use with propylene gases for use with mt200, mt300 series machine cutting torches. Torch handle welding nozzle cutting attachment cutting tip. Petrogen cutting torch systems that use everyday liquid. Also the surface after cutting is very hot so do not touch it even while wearing gauntlets. A common inside diameter of oxyfuel gas hose is 14 inch. From esab manuals to technical documents, theres a wealth of welding knowledge at your fingertips. Setup and shutdown procedure for oxyfuel cutting torch a handout containing the highlights of the video titled setup and shutdown procedure for oxyfuel welding. Petrogen manufactures cutting torch systems which use everyday liquid fuels like gasoline, diesel, and kerosene.

Oxygenacetylene welding, or gas welding, is a process which relies on combustion of oxygen and acetylene. Before cutting, the cutting torch has to preheat the steel to ignition temperature at the starting point. Fuel gas is sucked into the tip in order to prevent the mixing gas in the torch pipe, and thus flashback during ignition is prevented. When mixed together in correct proportions within a handheld torch or blowpipe, a hot flame is produced with a temperature of about 3,200c. The 625f is a heavy duty straight cutting torch designed to give maximum performance using lowcost alternate fuel gases. Oxyfuel gas equipment has many uses welding, cutting, heating, straightening. Gas welding and cutting oxyfuel welding, commonly referred to as oxy welding or gas welding is a process of joining metals by application of heat created by gas flame. Oxyfuel welding, heating and cutting concoa gas pressure. In modern steelage the steelmakers cut iron and steel by oxyacetylene, oxyhydrogen, oxy propane, oxynatural gas cutting blowpipes easily, speedily, and cleanly.

Oxygen cylinder storage must be separated from flammable gas storage areas or combustibles by at least 20 feet or by a 5 noncombustible wall. When cutting, the metal is first heated by the flame until it is cherry red. Figure 56 typical equalpressure generalpurpose welding torch mixing head. Buy products related to gas cutting torches and see what customers say about gas cutting torches on free delivery possible on eligible purchases. A common inside diameter of oxy fuel gas hose is 14 inch. Oxyacetylene cutting safety in agriculture osha standard 1910.

There are valves for each gas witch control the flow of gases inside the torch. Chapter 1 from the welding handbook, tenth edition, volume 1, welding science and technology, has been selected by the aws product development committee as a service to indust. Harris model 625afl 70 36 straight cutting torch 1003400. Welding cutting torchgas cutting torchwelding cutting torch. February 2015 issue 2 pg 2 of 2 the instructions recommended within this document apply to normal risk conditions. Safety in gas welding, cutting and similar processes hse. Pick up highquality torch cutting attachments at grainger. Safety in gas welding, cutting and similar processes.

The chemical action of the oxyacetylene flame can be adjusted. The fuel gas pressure is 1 psi pound per square inch or less. A check valve is a device that is designed to prevent the unintentional backflow of gases. Gas cutting products gas cutting torch distributor. An oxyacetylene torch, also known as a blow torch, is a dangerous cutting system, but its also a powerful and useful tool if you need to cut steel. For equipment safety, all connections from gas cylinders to cutting tip must be leak. At most naval activities, the steelworker finds the. An oxyacetylene torch, also known as a blow torch, is a dangerous cutting system, but its also a powerful and useful tool if you need. It is based on 29 code of federal regulations cfr part 1910. The fuel gas commonly acetylene, when mixed with proper proportion of oxygen in a mixing chamber of welding torch, produces a very hot flame of about 57005800f. The fuel gas commonly acetylene, when mixed with proper proportion of oxygen in a mixing chamber of welding torch, produces a very hot flame of about 5700.