The Flange Bolt Quantity and Size Calculator is a professional engineering tool designed to help users determine the required number, size, and specifications of bolts for reliable flange connections. By analyzing key parameters such as flange dimensions, operating pressure, gasket requirements, bolt material strength, and safety factors, it helps engineers optimize bolt selection and connection performance. The Flange Bolt Quantity and Size Calculator supports flange design, pressure equipment applications, and mechanical assembly while reducing the risks of leakage, insufficient clamping force, and bolt failure.
Input Parameters
Results
Required Total Bolt Force–
Recommended Bolt Quantity–
Recommended Bolt Size–
Bolt Load Per Piece–
Recommended Tightening Torque–
Bolt Stress–
Safety Factor–
Flange Connection Status–
Calculation Details
- Pressure Separating Force (Fp)
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- Gasket Compression Force (Fg)
- –
- Effective Pressure Area
- –
- Required Tensile Area (At)
- –
- Bolt Spacing
- –
- Actual Tensile Area
- –
Engineering Visualization
Flange Bolt Circle Diagram
Pressure Force Illustration
Bolt Stress Gauge
Leakage Risk Indicator
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