What happens if acetylene is pressurized over 15 PSI?
Acetylene will not explode under low pressure at normal temperatures. However, it becomes unstable and spontaneously combustible when compressed to a pressure over 15 psi. Beyond 29.4 psi, it becomes self explosive, and a slight shock may cause it to explode even in the absence of air or oxygen.
What happens when acetylene reaches 30 psi?
This means if acetylene reaches 30 psi in a free state, it can explode by itself without a spark or flame being present. Has a burning temperature of 4,600o F. 5,700o F when burned with oxygen.
What is hotter than oxy acetylene?
Acetylene may burn hotter and can even pre-heat metal faster. However, with the proper knowledge, parts and setup, propane can actually match or even outperform acetylene.
What is the maximum psi acetylene can run?
What Is The Maximum Safe Working Pressure For Acetylene? Acetylene should never be used at pressures exceeding 15 psi (103.4 kPa).
Why can’t you lay down acetylene?
Acetylene cylinders must not be placed on their sides, since the acetone and binders will have dislodged. The result may be formation of an acetylene “pocket” that is subject to polymerization and the possibility that liquid acetone will be released into the regulator.
Can you use an acetylene tank laying down?
Never store acetylene cylinders in an unventilated vehicle. Acetylene cylinders must be transported and stored vertically. If acetylene cylinders have been laying on their side, allow them to stand in an upright position for at least 30 minutes before use.
Is MAPP gas hotter than acetylene?
Although acetylene has a higher flame temperature (3160 °C, 5720 °F), MAPP has the advantage that it requires neither dilution nor special container fillers during transport, allowing a greater volume of fuel gas to be transported at the same given weight, and it is much safer in use.
What PSI does acetylene becomes unstable?
15 psig
Free gaseous acetylene, depending upon confinement conditions, is potentially unstable at pressures above 15 psig. Some conditions can cause the acetylene to decompose with explosive violence. Experience indicates 15 psig is generally acceptable as a safe upper pressure limit.
What threads are on acetylene fittings?
BSP Thread Uses in Gas Equipment 1/4″BSP is typically used on the Torch end of Oxygen, Acetylene & Propane Hoses where small torches, including Lightweight and Model ‘O’, are used.
What burns hotter acetylene or propane?
Acetylene releases almost 40% of its heat in the inner flame cone. Therefore, acetylene is better for cutting than propane. While temperature wise acetylene is hotter than propane the fact is that people are using propane for cutting incorrectly.
How do I return an oxygen cylinder to hobbyweld?
If you need to return the cylinder, take it to any Hobbyweld Stockist to return the cylinder and collect the return deposit value then due to you. Oxygen is commonly and traditionally used with a fuel gas for cutting, welding, brazing and soldering.
Who is responsible for misuse of a hobbyweld cylinder?
Hobbyweld cannot be held responsible for the misuse of these products. The Hobbyweld cylinder is yours to use with a one-off deposit charge. There is no limit on how long you can keep the cylinder and you can exchange it as often or as little as you like.
How long can I use the hobbyweld cylinder?
The Hobbyweld cylinder is yours to use with a one-off deposit charge. There is no limit on how long you can keep the cylinder and you can exchange it as often or as little as you like. If you need to return the cylinder, take it to any Hobbyweld Stockist to return the cylinder and collect the return deposit value then due to you.
Is hobbyweld responsible for the misuse of FBAs and FBAs?
In line with The Acetylene Safety Regulations 2014. FBAs (Flash Back Arrestors) and regulators must be fitted when connected to acetylene equipment. Hobbyweld cannot be held responsible for the misuse of these products. The Hobbyweld cylinder is yours to use with a one-off deposit charge.