Shell wall thickness design for flat gate valve body per ASME VIII-1 cylinder formula with 1.5Pn hydrotest. Based on ASME VIII-1 / API 6A standards.
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Classic thin-wall cylinder formula t = PR/(S-0.5P) with proven reliability.
Separate verification for flow passage and middle cavity wall thickness.
Design pressure set to 1.5x rated pressure per API 6A hydrostatic test.
Instant judgment: actual wall thickness vs. calculated minimum.
Built-in corrosion margin C for long-term service life.
Allowable stress S = 2/3 sigma_s directly from material yield strength.
Input rated pressure Pn, material yield strength, bore and OD dimensions.
S = 2/3 * sigma_s is calculated automatically.
t1 and t2 computed per ASME VIII-1 for both sections.
Compare actual wall thickness to minimum; pass/fail displayed.
Enter your design parameters and get instant verification results.
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