Gas Welding Safety Video

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Part Number:1012H

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VHS English Version Product Number: 1012HEVHS
DVD English Version Product Number: 1012HEDVD

Length of Video(in Minutes): 14
Publisher: Digital-2000, Inc.
Description: When using fuel gas welding and cutting, safety is an integral part of any operation. Program explains cylinder connections, valves, cracking, and basic safety procedures when using fuel gas welding and cutting.

Excerpt: When you're working with gas welding, and cutting operationsthere are a number of safety procedures to follow. Each company is responsiblefor developing specific guidelines, policies, and procedures as a short videotraining program cannot list all the potential hazards or safety elements. Thisprogram is simply a guideline of basic safety measures designed as safetyawareness, but it's not a complete or comprehensive program.

Let's begin withthe area used for such operations. The welding or cutting area must beprotected against fire hazards posed by combustible and flammable materials.Combustibles must be located at least 35 feet from the worksite. If this is notpossible combustibles must be protected with flame proof covers, or metal, orother fireproof shielding. Floors on which combustible materials such as paperclippings, wood shavings, or textile fibers accumulate must be swept clean fora radius of 35 feet. Keep in mind that welding temperatures are extremely highand welding on metal can create heat transfer from the metal part tocombustible materials located nearby. Welding operations have caused a highnumber of major fires. Due to the potential for fires, explosions, and healthhazards, cutting or welding must be carefully controlled. Never weld or cut inthe presence of mixtures of flammable gases, vapors, liquids, or dusts withair, or inside improperly cleaned tanks or equipment which had previouslycontained such material. Never weld or cut near large quantities of exposed,readily ignitable material, such as bulk sulfur, baled paper, or cotton. Neverweld or cut near vapor degreasing operations, or spray booths due to thepotential fire hazards. Some chemicals can decompose under the ultravioletradiation of the welding or cutting operation and become quite dangerous.Always weld and cut in those areas authorized by management. Protection in theform of curtain or enclosures is required when other persons could be harmed bythe effects of the flying slag, or eye hazards.

gas welding safety video

Most gas welding and cuttingoperations use compressed gas cylinders and there are important procedures tofollow when using these gas cylinders. All cylinders stored inside must belocated in a well-protected, well-ventilated dry location. They must be atleast 20 feet from highly combustible materials, sparks, open flames, excessiveheat, and away from elevators, stairs, or gangways. When cylinders are notconnected for use valve protection caps must be in place unless the cylinder isnot designed to accept the cap. Stored oxygen cylinders must be separated fromstored fuel cylinders or combustible materials, especially oil or grease by atleast 20 feet, or by a non-combustible barrier. This barrier must be at least 5feet high and have a fire resistance rating of one half hour. All cylindersmust be legibly marked to identify their contents. Cylinders connected for usemust be latched or chained to prevent them from falling over. Be careful thatcylinders are not placed so as to become part of an electrical circuit. Mark emptytanks MT, close the valves, and replace valve caps securely. Let's take a lookat the valve and regulator settings. The regulator is a delicate piece ofequipment, and must be carefully handled at all times. Pipe wrenches or pliersmust not be used for attaching regulators to cylinders. Use an end-wrench ofproper size. Leave the valve wrench on the acetylene cylinder whenever thevalves are open. This permits emergency shut off of the gas. Hammers orwrenches must not be used to open or close cylinder valves that are fitted withhand wheels. If a regulator creeps have it repaired immediately. Creeping of aregulator is indicated by a gradual increase in pressure after the torch valvesare closed. Hoses showing leaks, burns, or worn places must be replaced orrepaired. Hoses should be color-coded to avoid accidental mixing of the gases.You can see in this graphic the green hose is for oxygen, and it has a righthand thread. The red hose is acetylene.

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