Valve body minimum wall thickness per thin-wall cylinder formula with corrosion allowance. Formula: S'B = P*Dn / (2.3*[σL] - P) + C
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Classic cylinder formula S'B = P*Dn/(2.3*[σL]-P)+C with proven reliability.
Built-in corrosion margin C for long-term service life.
Allowable stress preset for WCB carbon steel at 100 MPa.
Instant judgment: actual SB vs. calculated minimum S'B.
Compare both required thickness and safety margin.
Real-time calculation with no page reload required.
Input design pressure P and body inner diameter Dn.
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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