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Engineering Design Tools

Quick sizing checks in mm and kg — ASME Sec. VIII Div. 1 thickness, heat-exchanger area and vessel weight.

Thickness under internal pressure

ASME Sec. VIII Div. 1 — UG-27 (shells) and UG-32 (formed heads). Units: mm, kg/cm².

ASME II-D at design temp.
Optional — gives MAWP

Results

Disclaimer: These calculators give preliminary estimates for internal pressure only, using formulas from ASME Boiler & Pressure Vessel Code Sec. VIII Div. 1 and standard heat-transfer methods. Allowable stresses shown are typical ASME Sec. II Part D values at moderate temperature — confirm them for your design temperature and code edition. External pressure, nozzle reinforcement, wind/seismic, supports and forming allowances are not covered. Final design must be checked and approved by a qualified engineer. Contact us for complete design calculations and drawings.

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