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  • 29 CFR § 1910.253 - Oxygen-fuel gas welding

    Oxygen-fuel gas welding and cutting. 29 CFR § 1910.253 - Oxygen-fuel gas welding and cutting. CFR ; prev | next § 1910.253 Oxygen-fuel gas welding and cutting. (a) General requirements - (1) Flammable mixture. Mixtures of fuel gases and air or oxygen may be explosive and shall be guarded against. No device or attachment facilitating or permitting mixtures of air or oxygen with flammable

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  • Gas cutting method - myothitsan.files.wordpress

    Gas (Oxy-fuel)Cutting / Gas Welding-Gas types Oxygen. 6 17% Initial Hypoxia Human body and oxygen concentration in air 12 ~16% Headache, increasing pulse 6~10% Unconsciousness, issue on central nervous system, convulsion, stop breathing and die in 6 –8 minutes. ~6% Faint in one breath, stop breathing, convulsion, and die in 6 minutes. 18 ~25% Appropriate density ~36% Limit for

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  • Oxyfuel Cutting - Process and Fuel Gases - TWI

    Oxy-fuel cutting is a thermal cutting process that uses oxygen and fuel gas (such as acetylene, propane, MAPP, propylene and natural gas) to cut through materials. The oxyfuel process is the most widely applied industrial thermal cutting process because it can cut thicknesses from 0.5mm to 250mm, the equipment is low cost and can be used manually or mechanised.

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  • Identifying the right cutting and welding tips

    These single-hole copper-alloy tips are attached to a torch handle equipped with a mixer that mixes the fuel with the oxygen, much like a carburetor in a car mixes the gas and air. Figure 1 Welding tips mix oxygen and fuel, and then the mixed gas is pushed through the welding tip and is burned at the tip end. Unfortunately, the best size and uniformity of welding and cutting tips to use can be

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  • Oxyfuel Cutting - Process and Fuel Gases - TWI

    Oxy-fuel cutting is a thermal cutting process that uses oxygen and fuel gas (such as acetylene, propane, MAPP, propylene and natural gas) to cut through materials. The oxyfuel process is the most widely applied industrial thermal cutting process because it can cut thicknesses from 0.5mm to 250mm, the equipment is low cost and can be used manually or mechanised.

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  • Kerosene - Wikipedia

    Kerosene, also known as paraffin, lamp oil, and coal oil (an obsolete term), is a combustible hydrocarbon liquid which is derived from petroleum.It is widely used as a fuel in aviation as well as s. Its name derives from Greek: κηρός (keros) meaning "wax", and was registered as a trademark by Canadian geologist and inventor Abraham Gesner in 1854 before evolving into a

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  • Fuel Gases | Linde Gas

    Various gases such as acetylene, natural gas, propane, propylene and hydrogen can be used as a fuel for cutting and welding, heat treatment, as power and energy for transportation and combined with oxygen, for various industrial processes.. Most fuel gases are composed in whole or in part of hydrocarbons (methane, acetylene, propane, and propylene), hydrogen, carbon monoxide and oil

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  • NFPA Classifications of Flammable and Combustible Liquids

    as creosote oil, formaldehyde, formic acid, and fuel oil #1. Class IIIB liquids are combustible liquids that have a flash point at or above 200 °F (93 °C). Typical Class IIIB liquids include liquids such as castor oil, coconut oil, fish oil, and olive oil. The loss prevention information and advice presented in this brochure are intended only to advise our insureds and their managers of a

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  • Oxy-Fuel Cutting Chapter 3 Flashcards | Quizlet

    Start studying Oxy-Fuel Cutting Chapter 3. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Search. Create. Log in Sign up. Log in Sign up. 37 terms. Nick_Sanchez8. Oxy-Fuel Cutting Chapter 3. STUDY. PLAY. The two types of Oxyaetylene work stations. a. stationary b. portable. When using oxygen the valves on the tank should be. fully open. A small drop of oil or

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  • Oxy-Acetylene Cutting Safety

    How to Transport OSHA 1910.253.(b) (5) (iii) (A) Gauges (1 of 3) Brass Oxygen Gauge Gauges (2 of 3) Adjusting Screw Gauges (3 of 3) A Little Oil Goes a Long Way Low Pressure Acetylene (1 of 3) Low Pressure Acetylene, cont. (2 of 3) Low Pressure Acetylene, cont. Cutting Tips for Agriculture Repair Lighting the Torch in the AG Shop or in the Field (1 of 2) Lighting the Torch (2 of 2) Cutting

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  • FACTORS AFFECTING QUALITY IN OXY-FUEL CUTTING

    Although oxy-fuel cutting is generally viewed as a mature uncomplicated process, those who work with it realize all too well that making it perform properly is no simple matter. Experienced operators can achieve a level of cut quality that rivals a machined surface, and do it in a fraction of the time cost of hard tooling. Consistently reaching that quality, however, requires an understanding

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  • For the Beginner, Plasma Cutter or Oxy/Acetylene

    Invented in 1903 by two Frenchmen, oxy/fuel welding began as a means to fuse metal by combining pure oxygen and a fuel gas such as acetylene. Pure oxygen is used to increase the heat generated from the flame. The acetylene/oxygen mixture burns at a temperature of over 6,300 degrees Fahrenheit. Forged welding is the second oldest welding process next to oxy/fuel welding. Since the advent of arc

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  • OXY-FUEL WELDING, HEATING AND CUTTING

    Secure fuel and oxygen cylinders by chaining to wall or bench, or use cylinder cart. DO NOT lay cylinder down on floor. 1.2 Personal Protection 1. Wear heavy flame resistent work clothing with long sleeves to protect arms. Make sure sleeves are secured around wrist. 2. Wear eye protection safety goggles with filter lens and other protective equipment when welding and cutting. Se-lect filter

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  • Flame Cutting (Oxy Fuel Cutting) - A Method to

    Flame cutting (oxy fuel cutting or oxy acetylene cutting), as it's name, with oxy fuel gas burning through a cutting torch, makes a flame and with the flame heat to cut steels. It is an oldest way in hot steel cutting activities. The cutting torch is designed to provide Oxygen fuel gas for to burn the iron oxide, in this way to guarantee the stable of the temperature and get better cutting

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  • Oxygen Gas Risks | BOConline UK

    Oil and grease are particularly hazardous in the presence of oxygen as they can ignite spontaneously and burn with explosive violence. They should never be used to lubricate oxygen or enriched-air equipment. Special lubricants which are compatible with oxygen must be used under certain conditions. Smoking. In oxygen-enriched atmospheres, or where oxygen enrichment can occur, smoking must

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  • Oil is a fossil fuel which provides power to

    Oil is a fossil fuel which provides power to sustain a modern lifestyle. Which of these statements best describes an outcome of oil drilling? Select one: a. Oxygen gas is absorbed. b. Oceans and rivers dry up. c. Radiation may cause health problems. d. Water and soil may be contaminated. 2 See answers LearnGrow LearnGrow The statement that best describes an outcome of oil drilling is the

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  • (O2) Oxygen Sensor - Function - Failure

    Leaks From Oil, Antifreeze And Fuel; Leaded Fuel; So, Over time, your (O2) Oxygen Sensor can become caked with byproducts of combustion like sulfur, lead, fuel additives, and oil ash. As a result, This keeps your sensors from sending signals to your engine's computer. Also, Using fuel that isn't recommended for your vehicle or low-quality fuel can make your Oxygen (O2) Sensor fail faster

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  • For the Beginner, Plasma Cutter or Oxy/Acetylene

    Invented in 1903 by two Frenchmen, oxy/fuel welding began as a means to fuse metal by combining pure oxygen and a fuel gas such as acetylene. Pure oxygen is used to increase the heat generated from the flame. The acetylene/oxygen mixture burns at a temperature of over 6,300 degrees Fahrenheit. Forged welding is the second oldest welding process next to oxy/fuel welding. Since the advent of arc

    Get Price ++
  • FACTORS AFFECTING QUALITY IN OXY-FUEL CUTTING

    Although oxy-fuel cutting is generally viewed as a mature uncomplicated process, those who work with it realize all too well that making it perform properly is no simple matter. Experienced operators can achieve a level of cut quality that rivals a machined surface, and do it in a fraction of the time cost of hard tooling. Consistently reaching that quality, however, requires an understanding

    Get Price ++
  • Oxy-Acetylene Cutting Processes | Metallurgy

    In the high pressure pipe, fuel gas and heating oxygen are mixed in the head. They emerge from annular slots for propane or holes for acetylene. The size of blowpipe and tip used depend upon the 'work'—light duty or heavy continuous cutting. Here the volume of oxygen used is much greater than of fuel

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cutting granite with o ygen fuel oil

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