Final answer:
Cylinders must comply with relevant regulations and standards for minimum design or service pressure to ensure safety. DOT and ISO are examples of organizations that establish such regulations.
Step-by-step explanation:
The minimum design or service pressure of cylinders must comply with relevant regulations and standards that ensure safety. These regulations vary depending on the type of cylinder and its intended use. For example, in the United States, the Department of Transportation (DOT) has specific regulations for cylinder pressure ratings, such as DOT-3AA cylinders for gases and DOT-4BA cylinders for cryogenic fluids. Similarly, other countries and international organizations like ISO may have their own regulations and standards.
It is important to follow these regulations to ensure that the cylinders are manufactured and used safely without the risk of sudden rupture or other hazards. Violating these regulations can lead to serious consequences, including legal liabilities and accidents.
By complying with the appropriate regulations and standards, manufacturers and users can ensure that cylinders are designed and operated within safe pressure limits, minimizing the risk of accidents and ensuring the well-being of everyone involved.