Slide 1: Safety Tips for Gas Welding
Storage and Handling • • • • • • • • After finishing gas welding, Always keep gas and oxygen cylinders with minimum of 20 feet distance between them. Or, divide them with a right firewall. As the cylinders can caught fire easily, keep the flammable and combustible materials away from cylinders. Store cylinders away from physical injure, heat, and tampering. Always maintain cylinders in an upright position. If possible, Chain them steadily to keep them from falling over. Ensure that the cylinder valves has been closed or not before moving. Defending caps or regulators should be kept in place. Roll cylinders on bottom edges to move it from one place to another place. Do not pull it. Try to reduce cylinder movement as much as possible, while transporting it.
General Gas Welding Safety Tips • • • • • • • • • • • • • • • • • To lift up gas cylinders, use the equipments that are designed for lifting it. Do not use any other tools for lifting it. Check torches and clean only with the suitable tools. Blow-back protection torches must be used while welding. Always keep an eye on the equipments and ensure any leakages at all connections. This can be done by using an approved leak-test solution. Inspect hoses for leaks and worn places. Replace bad hoses at regular intervals. Keep fire extinguishers easily reachable places, at the welding site. Keep away hoses and cylinders from sparks, flames, and hot metal as the sparks create holes on it. To fire the flame in welder, always use a flint lighter. Stand to the side when opening cylinder valves. Use two-stage regulators whenever feasible. When using a single-stage regulator, open cylinder valves very slowly. This keeps rapid high pressures from exploding the regulators. When using a single-stage regulator, only open the acetylene cylinder valve 1/4 to 3/4 turn. Leave the wrench in place. By doing so, you can close the cylinder quickly in case of any emergency. Open and light acetylene first. Then open and adjust oxygen to a neutral flame. When shutting off the torch, first you have to close the acetylene torch valve. You might hear a pop as the oxygen blows out the flame, but the flame will not burn up the acetylene line. When you done:
Slide 2: o o o o
Close cylinder valves. Bleed the lines to take pressure off regulators. Carefully coil hoses. Restore equipment.
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