What type of gaskets are typically used in flange connections?

The choice of full-face, flat ring, and ring joint gaskets is relevant to flange connections due to their design and functionality in maintaining a seal under pressure. Full-face gaskets provide a large sealing surface contact, minimizing the risk of leaks in high-pressure applications. They cover the entire flange surface, ensuring even distribution of sealing forces, which is crucial for reliable operation.

Flat ring gaskets, commonly made from materials like rubber or compressed fiber, sit between the flange faces and compress when bolted, forming a seal. The ring joint gaskets are specially designed for high-pressure and high-temperature applications, often made of metal materials. Their shape and design create a pressure-activated seal, making them ideal for critical applications where leakage could lead to serious issues.

These types of gaskets are engineered to withstand specific operational conditions, ensuring their effectiveness in various industrial settings. They are preferred in many applications due to their ability to handle stresses, temperature variations, and the fluid medium being sealed. Other types of gaskets mentioned in the other choices may not provide the same level of performance or compatibility with the environments typically encountered in flange connections.