SewingWithFireWelding
Region: CA
Tuesday 21 April 2026 23:13:08 GMT
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johnleyden18🇨🇦 :
A before o
2026-04-22 00:48:08
114
deanconway81 :
I was taught a before o because a is the fuel and you eliminate the risk of flame going back up the hose. Was my teacher wrong? The flash back arrestor can pop all it wants I assume that means its working.
2026-04-22 18:42:59
33
GregoryWilliams904 :
I run LPG can you show the correct procedure using LPG?
2026-04-22 17:54:39
1
Rick Cowman :
This is wrong on many levels.
2026-04-25 22:27:49
7
kenteisnor :
Been a welder for 30 years . It does not matter which you shut off first. Nobody ever blows up . Too much safety worries in life
2026-04-24 02:05:03
5
Rd_Devl :
how many psi if your using propane instead of acetylene
2026-04-28 17:42:09
3
Stone Vrstala :
so...5 and 7 is useless if you use another brand or you want to cut anything thicker then 5/8ths and I'm sorry nobody explained to you that acetylene is a volatile gas AND an oxidizer, oxygen is only an oxidizer and doesn't have fuel to keep burning on it own
2026-04-22 17:20:13
5
Charlie :
I thought it was a before o or up you go?
2026-04-23 21:23:52
4
took the red pill,cannot undo :
3/8” should be cut with “oo” tip, your piece won’t be glowing when done. 👍
2026-04-23 00:26:22
5
weldingguy44 :
I was always taught A first then O to shut down
2026-04-23 22:48:05
4
adrian :
We run 1 turn and 1 1/2 turn 😂
2026-04-22 00:58:29
5
LukeSkyBaller :
Great explanation on a cutting torch. Welding instructor approved. 👍 As always safety first.
2026-05-16 19:18:43
3
Gyslain Latour :
I like that
2026-04-23 12:05:26
3
Dane Conlon :
man... pushing a cut not pulling makes so much sense. no wonder my cuts look like a mountain range lmao.
2026-04-23 01:04:31
5
Full_Metal_Chiranian :
"A before O, or else it will blow" is the Emergency Sequence for the cylinder valves in the event flashback arrest devices fail and the regulators are on fire. Torch shut down procedure is as described in the video per most torch manufacturers
2026-05-30 05:51:41
2
LucaOnia :
pressure depends on what size of nozzle you use..
2026-05-15 15:18:32
3
Material/ ቁስ :
tiktok.com/@material4877
2026-05-15 08:24:01
1
Ahykz mahn :
More
2026-05-12 12:40:05
1
user2873308781678 :
Wow I learned some new 🤪
2026-04-23 12:39:18
3
Jamie :
oxy too high 25 max
2026-04-22 21:39:30
2
liquid :
it all depends on your torch tip, what kind of torch you are using to adjust the regulators.. lots of variables and also... turning off the gas is way better so you make sure the flame is off.
2026-05-22 01:32:24
1
jimma923 :
F! Did you follow this procedure in the real world?
2026-04-23 04:33:34
3
3+3 LIFE CREWCAB SQUAREBODY :
Damn
2026-04-23 12:18:41
1
Rob Graham :
Iwas taught F.O.O.F.
2026-04-22 21:29:25
3
That_tuned_5.3 :
4 isn’t right there’s preheat flames on both sides torch angle is all that matters
2026-04-22 18:18:43
3
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