Container appurtenances need to maintain what PSIG rated working pressure at a minimum?

Container appurtenances, such as valves, fittings, and pressure regulators, are designed to function effectively and safely under specific pressure ratings. The correct answer indicates that appurtenances need to maintain a working pressure of at least 250 PSIG. This level of pressure assurance is crucial because it ensures the safety and integrity of the entire propane system.

Maintaining a minimum working pressure of 250 PSIG allows for safely managing the pressures commonly encountered in storage and distribution of liquefied petroleum gases. This is particularly significant for systems to withstand fluctuations in pressure without risking failures or leaks which could lead to hazardous situations.

Understanding the working pressure of container appurtenances is vital for compliance with safety standards and for ensuring the safe operation of LP gas systems. Appurtenances rated below this threshold may not be able to handle the pressures experienced during normal operation, compromising the safety of users and the environment.