obround flange calculation lected to handle bolt load \( F_b \): \[ F_b = \frac{P \times A_{seal}}{n} \] Where: \( n \): Number of bolts. Bolt load capacity: \[ F_{bolt} = A_{bolt} \times \sigma_{allow} \] Where: \( A_{bolt} \): Cross-sectional ar A Augustus Ernser Oct 8, 2025