Oxy-fuel Cutting Torch Flashcards
What is the flammability range of Oxy-Acetylene?
2.5%-81%
What stabilizes Acetylene?
Acetone
If Acetylene is laid down how long must it be righted?
- Same amount of time it was on its side
- If found at shift change 24 hrs
Max PSI for Acetylene?
15psi
What is the flame temp of Oxy-Acetylene?
5,720F
How is backflash prevented in a torch?
Spark Arrestors
What are the threads on O2?
Right handed threads
What are the threads on Acetylene?
Left handed threads
What is a full tank of O2 for a touch ?
2000 PSI
What is a full tank of Acetylene ?
200-250 PSI
How far do you turn the Acetylene Hand wheel on the torch body?
no more then 1.5 turns
typically 1/8 - 1/4
How far you turn the Acetylene Valve? on the cylinder
no more then 3/4 turn
What is the make up of Acetylene?
42% - Acetone
36% - Acetylene Gas
8-10% Porous Filler
10-12% Expansion volume
Oxy-Acetylene Start up
1- open O2 set to 35 psi
2-open Acetylene 3/4 turn set to 5psi
3-Press O2 Trigger for 10sec check regulator flow
4-Open Acetylene 1/8 - 1/4 light and adjust
5-Open O2
How long is the hoses on the Oxy-Acetylene?
25’