Which cargo tank truck type is considered a pressure carrier?

The cargo tank truck type recognized as a pressure carrier is the MC 331. This type of tank is designed to transport gases or liquids under pressure, which is essential in ensuring the safe movement of materials that may require such conditions to remain stable and non-volatile. The MC 331 is constructed to handle high pressures that are necessary for transporting liquefied gases, such as propane or butane, safely across distances.

Understanding the characteristics of various cargo tank designs helps in distinguishing their intended use and the type of materials they can safely carry. While the other types, such as MC 306 and MC 307, are built for specific liquid materials and not explicitly for high-pressure scenarios, they do not possess the same structural integrity required for pressurized substances as the MC 331 does. Consequently, recognizing the MC 331 as a pressure carrier underscores the importance of specialized design in the context of hazardous materials transportation.