So i have an old torch and when i turn the lower oxy knob on it already pisses oxy from the tip before i even open the upper knob. What would the problem be? I unscrewed the lower knob and it had some kind of sticky teflon strip or something wrapped around it not sure if i should taken it off but i did thinking maybe that was the problem and i just needed to rewrap it with whatever the stuff is.
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The thin teflon is packing that keeps the valve from leaking around the threads. If your leaking only when you turn on the lower knob of a cutting head but not when you shut it off, then you problem is the upper knob not shutting off.
Edit: it’s also possible you have the wrong upper head attached to your handle.
Edit: it’s also possible you have the wrong upper head attached to your handle.
I have more questions than answers
Josh
Josh