Valve body minimum wall thickness per ASME B16.34 Appendix B and BS EN 12516-1 dual method, with corrosion allowance. Formula: t1' = 0.020·d + 4.50 (ASME) | t1' = (Pc·d)/(2·S - 1.2·Pc) + C (BS EN)
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Verifies thickness against both ASME B16.34 and BS EN 12516-1 codes.
Built-in additional thickness C for long-term service life.
ASTM A216 WCB carbon steel body material preset.
Instant verdict: actual t' vs. required t1' and standard tm.
Uses basic stress factor S and rated pressure Pc for verification.
Real-time calculation with no page reload required.
Input calculated inner diameter d (mm).
Input rated pressure Pc and basic stress factor S.
Specify additional thickness C per BS EN 12516-1.
Compare actual body thickness t' to calculated t1'.
Input allowable tensile stress [σL] for body material.
Specify corrosion allowance C based on service conditions.
Compare actual body thickness SB to calculated S'B.
Enter your design parameters and get instant verification results.
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