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  • Oxy-Fuel Cutting with Propylene - Welding Tips and Tricks

    For converting to propane or propylene type fuel gas, use the manufacturer's tip chart to select the right cutting or heating tip and set the fuel and oxygen gauges to what the tip chart dictates. The pressure settings might be very different from what you are accustomed to with acetylene.

  • gas consumption,laser cutting machine,oxygen,nitrogen

    Jul 02, 2018 · For carbon steel cutting, the thicker, the less Oxygen pressure need. 2.For stainless steel, mainly use Nitrogen to cut. The thicker of the stainless steel, the higher Nitrogen pressure we need. 3.As for the gas, clients mostly use oxygen and nitrogen,also some choose compressor air. When using the compressor air, we should make sure the ...

  • 9505643 RevC 04052010 9505643 - Harris Products Group

    5 PSI on oxygen supply, disconnect fuel gas hose and check valve with mixer or cutting attachment on torch. Open all gas valves and check fuel gas inlet. If pressure is found, equipment is equal pressure type. If suction is noted, equipment is universal pressure type. Reconnect check valve and hose and purge thoroughly before lighting. Note: 1.

  • Read all Instruction, SAVE THESE INSTRUCTION Safety, Set-Up ...

    Set the oxygen regulator to 5 PSI. Open all gas valves onthe torch or cutting attachment. Plug the tip and check for reverse flow to the fuel gas checkvalve. Use soapy water or immerse in water to check forleaks. Set pressure to zero after the test. Reconnect the fuel gas hose and disconnect the oxygen hose.

  • Oxy Acetylene Cutting Torch Pressure Settings For Cutting

    Turn the adjusting screw on the regulator until it releases acetylene and the gauge shows 10 psi. Find the oxygen valve of the cutting torch and open it slightly to allow oxygen to flow. Do the same for the cutting torch’s acetylene valve but do not open it by more than 45 degrees or a 1/8 turn.

  • FACTORS AFFECTING QUALITY IN OXY-FUEL CUTTING

    7. Natural gas is the preferred fuel gas in areas where it is available. Low unit cost and good quality in all but very thin pieces. Cautions: Must have bulk oxygen, and natural gas supply pressure of 10 psi minimum. If lower, booster pumps should be installed. Good …

  • How do you turn off oxygen in a cutting torch?

    Some brands like the Victor Cutting torch have instructions to turn off the oxygen first. Its always best to follow the instructions for the torch you are using. Now go to the source and turn off the cylinder valves. Purge the pressure from oxygen line by opening the torch valves one a time until the gauge pressures read zero.

  • Cutting Tips – AIRCO / Concoa Acetylene - Oxygen

    machine torch, CW-300 torches Cutting Tips – Rexarc (Rego) Acetylene - Oxygen Cutting Tips – Purox / Linde / L-Tec Acetylene - Oxygen Propane or Natural Gas-Oxygen Propane or Natural Gas-Oxygen MAPP or FG- Oxygen Cutting Tips – Smith Acetylene - Oxygen Part No. Description Style Size P-FS- 60, 56, 52, 49 • General cutting

  • Welding and Cutting with Oxygen-Fuel Gas | NIOSH | CDC

    It applies to operations involving oxygen-fuel gas welding and cutting. This checklist must be used with the Welding, Cutting, and Brazing–General Requirements checklist. The regulations cited apply only to private employers and their employees, unless adopted by a State agency and applied to other groups such as public employees.

  • What do you need to know about oxygas cutting equipment?

    OXYGAS CUTTING EQUIPMENT An oxygas cutting outfit usually consists of a cylin- der of acetylene or MAPP gas, a cylinder of oxygen, two regulators, two lengths of hose with fittings, and a cutting torch with tips (fig. 4-1). An oxygas cutting outfit also is referred to as a cutting rig.

  • INSTRUCTION MANUAL - Welding, Brazing, Heating, Cutting ...

    Cutting tips should be wrench tightened. 11a) Open handle fuel gas valve approximately one quarter turn and ignite fuel gas. Close valve slightly if flame blows off tip. 11b) Crack oxygen valve and open until feathery, secondary cone disappears (Fig 11). Inner cone will be carbonizing at first stage.

  • How is cutting oxygen controlled on a welding handle?

    The cutting Oxygen is controlled by the lever operated valve on the attachment. The cutting torch is connected to the hoses in place of the welding handle and is used for cutting thicker metal that can be cut with the cutting attachment, or for heavy duty cutting work.

  • OXY-FUEL WELDING, HEATING AND CUTTING

    cutting-oxygen lever. CAUTION To prevent the blowing of molten slag back into the operator’s face, take the following precautions: Start the cut with low cutting oxygen flow. As is Figure 7.3, view 3, eith tilt the tip at a slight angle, or move the tip sideways and rotate around the edge of the cut, blowing the slag away from the face.

  • Cutting Torch Safety - Setup and shutdown Oxygen and ...

    see what osha 1910.253 Welding, Cutting and Brazing has to say about using a cutting torch. 1910.253(a)(4) "Personnel.. Workmen in charge of the oxygen or fuel-gas supply equipment, including generators, and oxygen or fuel-gas distribution piping systems shall be instructed and judged competent by their employers for this important work before being left in charge.

  • INSTRUCTION MANUAL - Welding, Brazing, Heating, Cutting ...

    Cutting tips should be wrench tightened. 11a) Open handle fuel gas valve approximately one quarter turn and ignite fuel gas. Close valve slightly if flame blows off tip. 11b) Crack oxygen valve and open until feathery, secondary cone disappears (Fig 11). Inner cone will be carbonizing at first stage.

  • Arc & Gas Welding & Cutting Equipment

    of pressure. bar psi Lit/Min Ft3/h (Gas-Bar) Part No Acetylene General welding, cutting & heating applications 1.3 18.75 313 650 A-1.5 0701282685* Oxygen General cutting & welding 4 60 820 1740 O-4 0701282681* Oxygen Cutting & heating 10 145 1170 2480 O-10 0701282682* Inert Purging & pressurising leak detection 10 145 500 1060 N-10 0701300011

  • Comet Gas Equipment Accessories - Cigweld

    COMET Gas Equipment offers a full range of accessories to tackle any gas cutting, welding or heating job. This diverse range includes hoses, flashback arrestors, thermic lancing equipment, manifold systems, Turbo Torch, Arcair Slice, and cutting machines, as well as a variety of spare parts. These accessories are designed and manufactured to ...

  • GAS CUTTING - GlobalSecurity.org

    pressing a lever on the cutting torch. The oxygen causes ... in cutting: acetylene, MAPP gas, and oxygen. 4-1. ... lene is left in a cylinder by gauge pressure. The pressure

  • The Ultimate Guide to Fiber Laser Cutting Machine

    We offer fiber laser cutting machines with power range from 1000-12000W, capable of cutting carbon steel up to 30mm and stainless steel up to 45mm.. The laser generators and cutting heads are international brands, such as Precitec, Raytools cutting heads, IPG laser source, etc.

  • Gas Cutting Equipment | Oxygen & Acetylene | Adendorff ...

    M&B MB90 Heavy Duty Oxygen Gas Regulator. R 695.00. SKU: EOXYGA-001. Gas Cutting Equipment. MAC AFRIC Oxygen & Acetylene Cutting Torch (Semi Heavy Duty) R 795.00. SKU: EOXYAC-004. Gas Cutting Equipment. MAC AFRIC Acetylene Hose 8 mm x 6 m.

  • Oxy-Propane-Cutting-What Settings?

    Jul 10, 2009 · I would use 5 to 10 # propane and 20 to 30 # oxy to cut 1/4" material. If you have a 1/2" of blue flame, that's way too much. You need to adjust your fuel/oxy ratio to make the flame hotter and it wil be closer to the tip, maybe a 1/4" of blue would be correct. It's true acet is quicker, but used properly propane isn't much slower.

  • GAS CUTTING - GlobalSecurity.org

    pressing a lever on the cutting torch. The oxygen causes ... in cutting: acetylene, MAPP gas, and oxygen. 4-1. ... lene is left in a cylinder by gauge pressure. The pressure

  • Guidelines for Gas Welding and Cutting - BOC

    12.0 Gas Cutting 40 13.0 Oxy-fuel Cutting Procedures 42 13.1 Cutting Attachment Operation 42 13.2 Setting Up 43 13.3 Lighting Up 44 13.4 Closing Down 45 14.0 Oxy-acetylene Cutting Techniques 46 14.1 How it Works 46 15.0 Using the Cutting Assembly 48 16.0 Mild Steel Cutting 49 16.1 Thin Steel 49 16.2 Thick Steel 49

  • 9505643 RevC 04052010 9505643 - Harris Products Group

    7. Purge oxygen and fuel gas passages separately before lighting torch. This will aid in preventing improper mixing of gases. 8. Use recommended pressure settings.Improper pressures are wasteful. Extreme pressure build up in regulators is a warning they need repair. 9. Never use oxygen or fuel gas to blow off work, equipment or clothing.

  • Cutting Tips – AIRCO / Concoa Acetylene - Oxygen

    machine torch, CW-300 torches Cutting Tips – Rexarc (Rego) Acetylene - Oxygen Cutting Tips – Purox / Linde / L-Tec Acetylene - Oxygen Propane or Natural Gas-Oxygen Propane or Natural Gas-Oxygen MAPP or FG- Oxygen Cutting Tips – Smith Acetylene - Oxygen Part No. Description Style Size P-FS- 60, 56, 52, 49 • General cutting

  • What are the opening and closing procedures for gas cutting equipment?

    The opening and closing procedures is as follow. OPENING AND CLOSING PROCEDURE GAS CUTTING EQUIPMENT Visually check equipment. It should be in good condition. Faulty equipment is dangerous Check oxygen and Acetylene regulators —pressure adjusting knobs should be set to zero. This will help ensure long regulator life and avoid regulator damage.

  • Gas-Cutting: Process, Techniques and Advantages | Welding

    The cutting torch is provided with a high pressure valve in from oxygen and acetylene control valves. On pressing the lever, the high pressure valve releases a jet of oxygen from central orifice, after preheating. 2. Pressure Regulators: Pressure regulators and fitted on the top of the cylinders and carry a valve.

  • Gas-Cutting: Process, Techniques and Advantages | Welding

    1. Gas Cutting Torch: A specially designed gas cutting torch is shown in Fig. 7.43. The tip of the cutting torch has a larger centre opening from which a jet of oxygen comes to cut the metal. This central opening surrounded by a set of orifices (generally four) which supply the oxygen-acetylene mixture for pre-heating.

  • Opening and Closing procedures on gas cutting equipment

    OPENING AND CLOSING PROCEDURE GAS CUTTING EQUIPMENT Turn off fuel gas valve to extinguish flame, then oxygen. This prevents unnecessary bangs and the possibility of sustained backfire. Close cylinder valves —finger tight only for hand wheel valves. This makes opening easier and prevents a sudden surge of gas when opening the cylinder.