150LB Wedge Gate Valve Flange Bolt Calculator

Bolt tensile stress, spacing, and ASME B16.34 area verification

Input Parameters

Packing Box Seal Mean Diameter Dj mm

Design Pressure P MPa

Close Axial Force FFZg (from stem calc) N

Medium Force on Stem FTF (from stem calc) N

Number of Bolts Z

Bolt Min Diameter d1 mm

Bolt Nominal Diameter d mm

Bolt Circle Diameter DJ mm

[σL] Bolt Allowable Stress MPa

Gasket Area Ag mm²

Pressure Class

Bolt Stress at Ambient Sb MPa