Which factor is critical for safe handling when dealing with propane cylinders?

Proper orientation during storage is indeed critical for the safe handling of propane cylinders. Propane is stored in liquid form under pressure within these cylinders, and maintaining the correct orientation ensures that the pressure relief valve is positioned correctly at the top. If a cylinder is stored upside down or at an improper angle, it could lead to liquid propane escaping through the pressure relief valve, creating a potential hazard of fire or explosion.

Additionally, storing cylinders in a proper vertical position minimizes the risk of leaks, as any damage to the cylinder or fittings would be less likely to release propane when it is not under extreme pressure. It is also important to ensure that cylinders are stored in a well-ventilated area away from heat sources and potential ignition points to further enhance safety.

While color coding of valves, the size of the cylinders, and temporary storage techniques may all contribute to the overall safety protocols associated with propane handling, proper orientation during storage is the most critical factor to directly prevent hazardous situations connected with leaks and pressure management.