What type of threads do gas hose pipes utilize for acetylene and oxygen?

Gas hose pipes used for acetylene and oxygen employ distinct threading systems to enhance safety and prevent mixing the two gases. Acetylene gas utilizes right-hand threads, while oxygen gas uses left-hand threads. This differentiation is crucial because it helps ensure that users cannot mistakenly connect oxygen hoses to acetylene cylinders, which could lead to dangerous situations, including combustion or explosions.

The use of left-hand threads for oxygen is particularly important since it allows for a clear and purposeful distinction between the two types of gases, aligning with standard safety practices in handling and transporting these flammable substances. This color-coding and threading system reduces the risk of user error, reinforcing safe operations in welding and cutting applications.

In this context, the threading types serve as a safety measure and an industry standard, making the correct identification of each gas by the type of threads essential for safe handling practices in any engineering or welding environment.