Welding, Cutting and Safety έχω απρόσμενα ή αντίθετα αποτελέσματα από αυτά που περίμενα, привести до несподіваних, протилежних наслідків. To produce an unexpected and undesired result: a person who supports someone or something. What is the Argon Demand Charge on my invoice? To help answer your key recordkeeping questions, IndustrySafe put together this guide with critical compliance information. The episode or scene depicted by m. RLS HUMAN CARE PLANTING A TREE ON EVERY 17,000 PAGE VISITS. How to use backfire in a sentence. In welding, your setting can be your worst enemy, and it's not always new environments that can pose the greatest risk. very accurate information and useful. a backlog of orders because of the strike. IndustrySafe Safety Management Software helps organizations to improve safety by providing a comprehensive toolset of software modules to help businesses identify trouble spots; reduce claims, lost days, OSHA fines; and more. ProStar® product line includes welding supplies, cutting machines and automation from a large variety of manufacturers. to bring a result opposite to that which was planned or expected. Praxair is one of the largest welding, industrial, medical and specialty gases companies and the premier... More, LEGAL NOTICETERMS & CONDITIONSPRIVACY | CCPACONTACT US. Save my name, email, and website in this browser for the next time I comment. at rlshumancare.com. Property Damage What should be the maximum pressure limit for oxygen & fuel for cutting?? Digging the garden is a backbreaking job. He should have paid his bill last month and so he has backdated the cheque. For a groove weld – the face of the weld lies in an approximately vertical plane. He opened the garage door and backed (his car) out. A literary or cinematic device in which an earlier event is inserted into the normal chronological order of a narrative.b. It's not always easy, but professional welders and those who weld as a hobby should be familiar with the risks they are facing and should take every possible precaution. Enhancement Program also allows us to work with you to reduce manufacturing costs, increase productivity and improve quality. Welding can be one of the most dangerous industrial professions, but it doesn't have to be. And I impressed to got this information κακόβουλος σχολιασμός που γίνεται πίσω από την πλάτη κπ. ing. Do not forget the name RLS HUMAN CARE. momentary burning back of the flame into the torch. βάζω σε ένα έγγραφο ημερομηνία προγενέστερη από την αληθινή, ön günlemek, daha önceki bir tarihi atmak, εκπυρσοκροτώ (π.χ. This causes gas starvation of the cutting flame and results in the flame being sucked into the torch head. Cause and Remedies for Backfires and Flashbacks occurring during gas welding and... Novotel, a mid scale brand of Accor Hotels is opening soon in Chamiers Road, Chennai. Complacency in a familiar welding spot can lead to carelessness on the part of even the most seasoned welder. Set each regulator to the correct working pressure for the equipment in use. In that case, the edge of the weld assumes a U-shape. Flame enters into torch and travels back into supply system. ملاتړ كول، او ږه وركول: په څټ بيول، شانه را كښل، په شاكول: تكيه كول، ډډه وركول. If the flame snaps out when the torch is in use, it is because: If the nozzle has become overheated, plunge nozzle and head into cold water keeping the oxygen valve open. can do more with less. Dallas, TX 75254 South Africa Phone 0860 02 02 02  Fax 0860 02 02 01, International Phone +27 11 821 3000 Fax +27 11 821 3066, Creep Resistance Steel | Welding Supplies, Accessories & Services | Self Rescue Division. Pipes and tanks tml.). When this happens the reverse flow mixes oxygen and the fuel gas (acetylene) in the same line.• The flashback occurs when oxygen and fuel gas mix in a supply line and are ignited by relighting a torch after the torch tip has clogged, without first cleaning the lines or by cylinders without first closing the regulators and cleaning the lines.• Sometimes the return valve (check valve) is fouled by tiny particles of foreign material and in that case, the return valve does not seal tight to stop reverse flow of gas which can carry flame along with it back from the torch.• Flashback and the subsequent explosion occur when damaged tips are used.• Flashback can occur if the cylinder valves are turned off before turning off the torch valves after the work is over.• The flashback occurs when the torch valve is not turned off when the cylinder is empty.• Sometimes flashback is due to an incorrect acetylene or oxygen pressure.Causes of Backfire• Backfire is caused due to holding the torch tip too close to the work or allowing hot slag to build up on tip.• Backfire occurs when the torch is operated at lower pressures then required for the tip used for cutting purpose.• Backfire occurs when the tip is over heated.• Backfire occurs by an obstruction in the tip. As tedious as it may seem, a welder should always do a spot check for combustible objects within the welding vicinity. The flame clearly flashes back into the torch and burns insides with a shrill hissing or squealing noise.A flashback can occur in oxygen hose as well as in acetylene hose also. Never allow the tip to overheat.• Turn of the torch valve when the cylinder is empty.• Always try to stop the flashback it reaches the fuel source (acetylene cylinder).• Never use damaged tips.• Never allow hot slag (which is formed while cutting the metal) to build up the torch tip.• Always change the cylinders by first closing the regulators and clearing the lines.• Always clean the tip of the torch before using the same for cutting purpose.• Never turn off cylinders valves while torch valves are open. Check the regulator setting and cylinder pressures, Relight in accordance with the above procedure. Acetylene cylinder pressure between 17.5767 Kg/cm2(250 PSI) to 13.3583 kg/cm2 (190 PSI), Working pressure Backfire definition is - to have the reverse of the desired or expected effect. Welding can be one of the most dangerous industrial professions, but it doesn't have to be. It is usually signaled by a popping sound, after which the flame may extinguish or reignite at the end of the tip. Enter your email address to JOIN this blog and receive HSE notifications and HSE job by email. Thanks. 3. A minor mistake or improperly placed object can send a room up in smoke. Our The nozzle has been held too close to the work. You have entered an incorrect email address! With acetylene, natural of propane gas the tip end should be placed about 1 to 3 times the length of the blue flame cones away from the plate surface (about 1/8 or 3/8” [3 or 10 mm] high). The technical terms and descriptions of various malfunctions are: Flame enters into nozzle or torch with a violent popping sound. The regulator pressures and/or gas flows are incorrect. from carelessness. (l'andare in vacanza con lo zaino a spalla), ísť (na turistiku) s plecniakom na chrbte, (persona che va in vacanza con lo zaino a spalla). Amongst the various types, the backfire and flashback are the more common. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. She backed down in the face of strong opposition. atkāpties; atteikties (no prasībām u. With the right knowledge, policies, and safety equipment, a welder can be well protected from personal injury or property damage. A standard oxygen cylinder pressure between 154.6753 kg/cm2(2200 PSI) to 77.33765 kg/cm2 (1100 PSI) Flame either extinguishes or re-ignites at the nozzle. The reason is that in case of flashback, the fire may be in the hose and it can explode in your hands.Causes of Flashback–• A flashback happens when the torch tip close or fuel line pressure drops. The flame burns back into or even beyond the mixing chamber and may travel through hoses. Unseen openings Below, read more about the fire safety issues associated with welding, as well as some ways to reduce the risk. Welding Terms and Definitions (Updated Oct 2020) The following glossary of welding terms of definitions is designed to get anyone quickly up to speed on the welding, brazing, soldering and metal working industry terminology. (Automotive Engineering) (of an internal-combustion engine) to emit a loud noise as a result of an explosion in the inlet manifold or exhaust system. το ρεύμα που δημιουργεί ένα καράβι διασχίζοντας τη θάλασσα), хвилі від човна або судна, зворотній потік. Previous Post Flashback Arrestor Next Post Sustained Backfire išeiti/išvažiuoti atbulom, išvaryti atgal. Backfire occurs in the torch itself and never reaches the fuel gas source. Additionally, our strategically distributed plants and hubs allow us to efficiently supply our customers with a full range of industrial and process gases. Learn more. His scheme backfired (on him), and he lost money. Do not disassemble the outfit or alter setting or regulator adjusting screw.• Do not crimp or squeeze hoses to stop flashback. • Never hold the burning tip too close to the work.• Never operate the torch at pressures (of oxygen-acetylene) which are lower than the required pressure for the particular torch tip used. Vapors (of an engine) to make a…. 2. Check that the regulators and nozzle size are suitable for the type of work. What is the Hazardous Material Charge on my invoice? A welder should know to check and double-check tanks and gas lines that could be the source for leaked fumes.

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