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Oxyfuel Gas Welding & Cutting

Oxyfuel Gas Welding & Cutting. Principles of the Processes. Principles of the OFW Process. Bead without Filler Metal. Bead with Filler Metal. Principles of the OFC Process. Which Fuel Gas?. Acetylene Methylacetylene-propadiene MAPP Propylene Propane Natural Gas Methan.

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Oxyfuel Gas Welding & Cutting

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  1. Oxyfuel GasWelding & Cutting Principles of the Processes

  2. Principles of the OFW Process Bead without Filler Metal Bead with Filler Metal

  3. Principles of the OFC Process

  4. Which Fuel Gas? • Acetylene • Methylacetylene-propadiene • MAPP • Propylene • Propane • Natural Gas • Methan

  5. Fuel Gas Characteristics

  6. Fuel Gas Characteristics - continued

  7. Fuel Gas Characteristics - continued

  8. Oxyfuel Gas Welding & Cutting Equipment

  9. Cylinders High Pressure Hazard Safety Disc Flammable Monolithic Porous Filler Material Fusible Plugs Hollow Vigorously Supports Combustion 1/7th Rule Shock Sensitive Oxygen Cylinder Acetylene Cylinder

  10. Oxygen Cylinder Valves CGA 540 Handwheel Packing Nut Upper Valve Seat To Oxygen Regulator Lower Valve Seat Disc Ruptures If Pressure Goes Too High From Oxygen Cylinder

  11. Acetylene Cylinder Valves CGA 510 CGA 300 Handwheel Packing Nut Upper Valve Seat To Acetylene Regulator To Acetylene Regulator Lower ValveSeat From Acetylene Cylinder From Acetylene Cylinder

  12. Acetylene Cylinder Valves- Linde (Presti-Lite) To Acetylene Regulator CGA 510 Tank Wrench Tee Wrench Valve Stem Packing Nut Upper Valve Seat Lower Valve Seat From Acetylene Cylinder

  13. Alternate Fuel Cylinder Valves CGA 510 Handwheel Upper Valve Seat Packing Nut To Fuel Regulator Valve Relieves Excess Pressure Then Re-seats Itself Lower Valve Seat From Fuel Regulator

  14. OFW & OFC Equipment Components • Oxygen Regulator • Fuel Gas Regulator • Gas Hoses • Torch Handle • Mixer • Welding Tips • Cutting Attachment • Cutting Tips • Filler Metal Optional • Gas Igniter

  15. Regulators Oxygen Regulator Fuel Gas Regulator

  16. OFW Equipment Combination Welding Torch with Mixer and Welding Tip

  17. OFC Equipment Combination Cutting Torch with Cutting Attachment Straight Cutting Torch

  18. Torch & Cutting Valves

  19. Mixer Design Fuel Gas Oxy/Fuel Mix Oxygen Fuel Gas Equal (Positive) Pressure Mixer High Turbulence Fuel Gas Oxy/Fuel Mix Oxygen Fuel Gas Injector (Low Pressure) Mixer

  20. Mixer Design - Continued Equal (Positive) Pressure Mixer Torch Head Oxygen Fuel Gas Tip Mixer Nut Mixer Torch Head Oxygen Fuel Gas Injector (Low Pressure) Mixer

  21. OFC Head Mix Design Equal (Positive) Pressure Mixer

  22. OFC Head Mix Design Injector (Low Pressure) Mixer

  23. Oxyfuel Gas Welding & Cutting Regulators

  24. Which Regulator? Single Stage Regulator • Use When Slight Rise in Delivery Pressure from Full to Empty Cylinder Condition Can Be Tolerated Two Stage Regulator • Use When a Constant Delivery Pressure from Full to Empty Cylinder Condition is Required

  25. Single Stage Regulator Adjusting Screw Bonnet Flexible Diaphragm Primary Spring Gas To Torch Gas From Cylinder Regulator Body Secondary Spring

  26. Cutaway Bonnet Gas From Cylinder Cylinder Pressure Gauge Adjusting Screw Secondary Spring Primary Spring Capsule Flexible Diaphragm Working Pressure Gauge Gas To Torch Regulator Body

  27. Flow Chart

  28. Two Stage Regulator Adjusting Screw Primary Spring Second Stage Regulator Body Bonnet Adjustable Second Stage Gas To Torch Gas From Cylinder Flexible Diaphragm Secondary Spring Primary Spring First Stage Pre-Set First Stage

  29. Cutaway Regulator Body Gas From Cylinder Secondary Spring Cylinder Pressure Gage Bonnet Adjusting Screw Capsule Primary Spring Primary Spring Capsule Bonnet Flexible Diaphragm Working Pressure Gage Gas To Torch

  30. Flow Chart

  31. Oxyfuel Gas Welding Torch Handles, Mixers, Tubes & Tips

  32. OFW Torch Handles Tip Mixer Handle Oxygen Oxygen Valve Mixed Gases Acetylene Acetylene Valve

  33. OFW Welding Tip Information

  34. OFB Brazing Tip Information

  35. 16GA Gas Air Adapter with Soldering Tip (Together) 16GA Gas Air Adapter with Soldering Tip (Separated) Air-Fuel Soldering Tips ½” – 20 Threads

  36. Air-Fuel Soldering Tip Information

  37. Oxyfuel Gas Cutting Cutting Attachments, Cutting Torches, & Tips

  38. OFC Hand Cutting Torches Combination Torch with Cutting Attachment Cutting Lever Mixer Oxygen Oxygen Valve Cutting Valve Cutting Tip Union Nut Acetylene Acetylene Valve

  39. OFC Cutting Tip Information

  40. OFC Torch Specialty Tips Gouging 6290-G Gouging Tip

  41. OFC Torch Specialty Tips Rivet Cutting 6290-R Rivet Cutting Tip Tie Down Cutting

  42. OFC Torch Specialty Tips Rivet Washing 6290-RW Rivet Washing Tip

  43. OFC Torch Specialty Tips Thin Sheet Cutting 6290-2D Thin Sheet Cutting Tip

  44. Oxyfuel Gas Heating Heating Assemblies, Tubes & Tips

  45. Heating Tubes & Tips Information

  46. Oxyfuel Gas Welding & Cutting Peripheral Equipment

  47. Check Valves Check Valves for Regulators Check Valve for the Torch

  48. Oxygen Check Valve Open Oxygen Check Valve Closed Oxygen Check Valve Normal Gas Flow

  49. Acetylene Check Valve Open Acetylene Check Valve Closed Acetylene Check Valve Normal Gas Flow

  50. Dirty Check Valves Dirty Acetylene Check Valve Dirty Oxygen Check Valve Normal Gas Flow

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