| oPetrol Oxy-gasoline | Acetylene-oxygen | ||
| 2870 | 3000 | ||
Cutting performance |
Preheating time |
Longer for thick sheets | Quick |
Cutting speed |
Cuts thick sheets quicker than acetylene | 100-800mm/minute | |
Oxygen consumption |
1.2---1.5 Cube/KG | 1.2---1.4 Cube/KG | |
Slag |
Very little and easy to remove | Much, hard to remove slag | |
Gap quality |
Smooth, with a small area affected by heat | With a big area affected by heat | |
Possible hole depth |
<250mm | <60--80mm | |
Stack cutting |
15 stacked layers of 10mm sheets can be cut at one time | Very difficult | |
Cutting under water |
Possible | Difficult | |
Safety |
Back-flash |
No need for back-flash arrestor |
easy back flash when the volume density of acetylene in oxygen is in the flammability range of 2.8--93% need back-flash arrestor |
Fuel tank |
The tank is filled with military blast-proof material. It is safe when caught in fire. | Hazardous, explosive when caught in fire | |
Cost |
By using gasoline instead of acetylene for cutting, the cost can be reduced by up to $1.50 per hour of use. | Cost is 7-10 times higher than gasoline cutting | |
Pollution |
No | High contamination | |
Harmful to operators |
No | ||
