Bolt Strength Calculator

Middle flange bolt tensile stress verification per Practical Valve Design Manual Table 5-112.

Input Parameters

Gasket Mean Diameter DDP mm

Calculation Pressure P MPa

Gasket Width bDP mm

Gasket Factor mDP

Elasticity Coefficient η

Seating Pre-Stress qYJ MPa

Gasket Shape Factor KDP

Effective Gasket Width BN mm

Bolt Count Z

Single Bolt Area S1 mm²

Allowable Tensile Stress [σL] MPa