What is the maximum allowable pressure for threaded fittings for a 3/4" diameter?

The maximum allowable pressure for threaded fittings for a 3/4" diameter is 1500 psi. This high-pressure rating is important because threaded fittings are often used in systems that require secure connections capable of withstanding significant pressure. Factors such as material strength, the design of the threads, and the intended application influence this rating.

For a 3/4" diameter fitting made from common materials, it is engineered to perform reliably at this pressure, which allows it to be safely used in various applications, including high-pressure pipelines. Understanding the pressure ratings ensures that the fittings will not fail under system operating conditions, maintaining safety and structural integrity in high-pressure scenarios.

The other options, while they reflect various pressure ratings, do not match the industry standards for a 3/4" threaded fitting, which is crucial for ensuring safe operation in piping systems.