Oxy Acetylene Welding

  • Oxy-Acetylene Welding (OAW)- mixture of oxygen and acetylene to produce a high-temperature flame.
  • Gas Cylinders
    • Oxygen Cylinder (Color: Black )
      Stores oxygen at high pressure (around 150–200 bar).
    • Acetylene Cylinder (Color: Maroon )
      Stores acetylene at around 15 bar pressure.
  • Pressure Regulators- Regulate gas pressure from cylinders to the required working pressure.
    • Single-stage regulators: Reduce pressure in one step.
    • Two-stage regulators: Reduce pressure in two steps for better control.
  • Hoses and Connectors– Flexible rubber hoses transport gases from cylinders to the torch.
    Color-coded for safety:
    • Red hose: Acetylene
    • Blue hose: Oxygen
  • Welding Torch (Blowpipe)- Mixes oxygen and acetylene in proper proportions to generate the flame.
    • Has control valves to adjust gas flow.
  • Nozzles and Tips
    • Attached to the torch to direct the flame.
    • Different sizes for different welding tasks.
  • Spark Lighter – Used to ignite the flame safely.
  • Flashback Arrestors– Prevents flame from traveling back into the cylinder, avoiding explosions.
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