How many bolts need to be removed from a 12 bolt flange when installing a gasket?

When installing a gasket to a 12-bolt flange, the appropriate number of bolts to remove is designed to ensure a proper seal while minimizing disruption to the existing assembly. By removing five bolts, it's feasible to create space for the new gasket while maintaining sufficient structural integrity of the flange.

Removing too few bolts may not allow for adequate clearance or the proper alignment of the gasket, which can lead to leaks or improper sealing. Conversely, removing too many bolts might compromise the connection more than necessary, increasing the risk of misalignment or introducing contamination into the joint.

Thus, the choice to remove five bolts strikes a balance that facilitates effective installation of the gasket and helps to maintain the integrity of the system. This practice is consistent with standard procedures in mechanical maintenance, ensuring reliability and safety in assembly.