EN 12953 · Shell boilers

EN 12953 Calculation Software

sPEeD-Analyze performs strength calculations to EN 12953 (also written EN12953) for shell boilers — fast, traceable to the exact clause, and formatted for approval by your notified body.

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The Standard

Strength calculation for shell boilers

EN 12953 is the harmonised European standard for shell boilers (fire-tube boilers). Part 3 (EN 12953-3) gives the design and calculation rules for the pressure parts — the shell, furnaces and flue tubes, end plates, stays and openings — that must be verified for a boiler to be approved under the Pressure Equipment Directive (PED).

sPEeD-Analyze implements EN 12953 directly: every result references the exact formula and clause in the standard, using the standard’s own nomenclature, so your calculation is unambiguous and fast for a notified body to review.

Benefits

Why engineers calculate EN 12952 in sPEeD-Analyze

  • Fast calculations — minutes instead of days in spreadsheet

  • Correct interpretation of EN 12953-3, with input validation

  • Calculation reports formatted for notified-body approval

  • Handles time-dependent effects: cold start-ups, creep and component lifetime

Scope covered

Components and analyses covered

  • Cylindrical shells under internal pressure

  • Furnaces and flue tubes (plain and corrugated)

  • Flat end plates and tube plates

  • Stays and stayed flat surfaces

  • Openings, nozzles and connections

  • Allowable pressure, test pressure and calculation temperature

The deliverable

A report your notified body will accept

sPEeD-Analyze produces a structured EN 12953 calculation report — component overview, utilisation and pass/fail per part, and project and approval fields built in — ready to submit.

  • Component overview with utilisation and pass/fail per part

  • Project, client and approval fields built in

  • Consistent layout across every calculation

Calculate your EN 12953 boiler with confidence

Book a demo — bring a real water-tube boiler case and we’ll walk through the EN 12953 calculation and the report it produces.

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