For raised face flanges above 300-pound class, what is the standard flange height?

For raised face flanges above the 300-pound class, the standard flange height is 1/4 inch. This is specified by industry standards and is important for ensuring proper sealing and functionality in piping systems. The height of the raised face provides an appropriate surface for the gasket to compress against, which is critical in preventing leaks in high-pressure applications.

The choice of 1/4 inch reflects the design requirements for maintaining strength and ensuring a reliable seal. If the raised face were too high or too low, it could lead to improper gasket seating, potentially resulting in stress concentrations or a failure of the joint under pressure. Thus, adhering to the specified height is essential for the structural integrity and performance of piping systems in industrial applications.