What is the thread length of a 2 1/2 inch metallic gas pipe?

In the case of a 2 1/2 inch metallic gas pipe, the standard thread length is indeed 1 1/2 inches. This specification aligns with industry standards that dictate the threading of pipes to ensure proper connection and sealing. The threaded section must be long enough to securely engage the accompanying fittings while preventing leaks, which is critical in gas piping applications. Understanding these specifications is important for ensuring that installations comply with safety regulations and function properly. Thread lengths vary for different pipe sizes, and it's key to refer to the relevant plumbing and gas codes to ensure accuracy in installations.