In CNG applications, which aspect is critical for connectors?

In CNG applications, it is critical for connectors to have a minimum design pressure of 5000 psig. This requirement ensures that the connectors can withstand the high pressures typically involved in compressed natural gas systems without the risk of failure. CNG is stored at pressures that can exceed 3000 psig, depending on the system, so having connectors rated for at least 5000 psig provides an added safety margin. This is essential in maintaining the integrity and safety of the entire system, preventing leaks, failures, and potential hazards.

While certain materials, like non-metallic ones, might be used in specific contexts, they do not universally apply to all CNG connectors. The design pressure is a standardized requirement that directly relates to the safe handling of CNG under pressure, which makes it a priority in the engineering and manufacturing of these components. Additionally, adjustable connectors may have specific applications, but they do not address the fundamental need for pressure resistance. Similarly, stating that connectors can be made of any material as long as they fit neglects the importance of pressure ratings and materials that can safely handle the gases involved.