Acetylene Air Torch Jewelry: Difference between revisions
From Pumping Station One
No edit summary |
|||
| Line 9: | Line 9: | ||
|where = Small Metals | |where = Small Metals | ||
|doesitwork = yes | |doesitwork = yes | ||
|contact = | |contact = smallmetals@pumpingstationone.org | ||
|value = $200 | |value = $200 | ||
|image = Smith_torch.jpg | |image = Smith_torch.jpg | ||
| Line 35: | Line 35: | ||
# Make sure the torch valve is closed (clockwise). | # Make sure the torch valve is closed (clockwise). | ||
# Turn the pressure regulator T-handle counterclockwise until it is loose. | # Turn the pressure regulator T-handle counterclockwise until it is loose. | ||
# Open the valve at the top of the cylinder 1/4 turn counterclockwise. The right gauge should now be showing the internal pressure of the cylinder and the left gauge should be at 0 PSI. | # Open the valve at the top of the cylinder 1/4 turn counterclockwise. The right gauge should now be showing the internal pressure of the cylinder, and the left gauge should be at 0 PSI. | ||
# Turn the pressure regulator T-handle clockwise until the desired pressure ( | # Turn the pressure regulator T-handle clockwise until the desired pressure (typically 8-10 PSI) is shown on the left gauge. Don't let the pressure get into the red zone (above 15 PSI). | ||
# Open the torch valve a small amount and use a striker to light the torch. Never use a match or cigarette lighter! | # Open the torch valve a small amount and use a striker to light the torch. Never use a match or cigarette lighter! | ||
# Adjust the torch valve to achieve the desired flame size. | # Adjust the torch valve to achieve the desired flame size. | ||
== Turning off the torch. == | == Turning off the torch. == | ||
# | # Close the torch handle valve (clockwise) to extinguish the flame. Stop here if you'll be using it again soon. | ||
# Shut the cylinder valve by turning the handle clockwise. | # Shut the cylinder valve by turning the handle clockwise. | ||
# Turn the regulator T-handle counterclockwise until it is loose. | # Open the torch handle valve to purge the hose of acetylene. Both pressure gauges should drop to 0. | ||
# | # Close the torch handle valve. | ||
# Turn the regulator T-handle counterclockwise until it is loose. | |||
== DO NOT USE AN EMPTY TANK == | |||
# If the right gauge is near 50-60 PSI (red numbers), send a message to smallmetals@pumpingstationone.org and the #small-metals Slack channel that the tank needs to be replaced. | |||
# If the right gauge is at or below 50 PSI: DO NOT USE the acetylene. Immediately shut down the tank and notify smallmetals@pumpingstationone.org and the #small-metals Slack channel that the tank needs to be replaced. | |||
# For reference, note that a full tank of acetylene will have internal pressure (right gauge, red numbers) near 250 PSI. | |||
== References == | == References == | ||
