Pressure Vessel Engineering

ASME Pressure Vessel Design Support Services

ASME BPVC Section VIII pressure vessel calculations, PV Elite analysis, nozzle design, and fabrication drawing support for process industry projects across Saudi Arabia.

SLETEC Engineering provides pressure vessel design support for fabricators, EPC contractors, and engineering firms operating in Saudi Arabia and the wider Gulf region. Our pressure vessel engineering services are based on ASME BPVC Section VIII Division 1 and Division 2, with PV Elite as our primary calculation tool for shell, head, nozzle, flange, and support design. We produce full engineering calculation packages formatted for Authorized Inspector review and client submission.

Our pressure vessel scope covers horizontal and vertical vessels, separators, knock-out drums, air receivers, heat exchanger shells, reactors, and other process vessels. For each vessel, we prepare shell and head thickness calculations, nozzle reinforcement area calculations, flange rating verification, saddle and support design, lifting lug calculations, and wind and seismic load assessment per ASCE 7. Vessel nozzle schedules and datasheets are prepared alongside the calculation package.

For complex vessel geometries where standard calculation methods are insufficient, SLETEC performs finite element analysis (FEA) per ASME BPVC Section VIII Division 2 design-by-analysis provisions. This covers nozzle intersections, cone-to-shell junctions, and locally stressed areas. Our FEA results are presented in a structured report with stress classification and linearisation results clearly referenced to code acceptance criteria.

Engineering documentation prepared with reference to API, ASME, AISC, AWS, ISO, Saudi Aramco, SABIC and client project specifications where applicable.

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Service Capabilities

ASME BPVC Section VIII Div.1 vessel design calculations (shell, heads, nozzles, flanges)
PV Elite pressure vessel calculation package preparation
Nozzle reinforcement area calculation and pad design
Flange rating verification per ASME B16.5 and ASME B16.47
Saddle, skirt, and leg support design for horizontal and vertical vessels
Lifting lug and tailing lug design calculations
Wind and seismic load analysis for tall vertical vessels
Division 2 design-by-analysis via FEA for complex vessel geometry

Deliverables Produced

ASME BPVC Section VIII Div.1 Design Calculation Report (PV Elite)
Nozzle Reinforcement Calculation Sheets
Pressure Vessel General Arrangement Drawing
Nozzle Schedule Drawing
Pressure Vessel Fabrication Detail Drawings
Vessel Datasheet
FEA Report for Design-by-Analysis (where required)

Standards Referenced

ASME BPVC Section VIII Div.1ASME BPVC Section VIII Div.2ASME BPVC Section IX (Welding)ASME B16.5 (Pipe Flanges)ASME B16.47 (Large Diameter Flanges)ASCE 7 (Wind & Seismic Loads)WRC 107 / WRC 297Saudi Aramco SAES-D Standards

Software Used

PV EliteANSYS Mechanical (FEA / Div.2)AutoCADMicrosoft Excel (Supplementary Calculations)SolidWorks (3D Model Support)

Industries Served

Oil & GasPetrochemicalRefineryGas ProcessingPower GenerationChemical ProcessingIndustrial Gas

Why Choose SLETEC

PV Elite-based calculation packages that satisfy Authorised Inspector review requirements and are formatted for client submission.

Combined pressure vessel calculation and drawing service — calculation package and GA/fabrication drawings delivered as a single coordinated package.

Division 2 FEA capability using ANSYS for complex vessel geometry where standard calculation methods are insufficient.

Calculation reports cross-referenced to ASME BPVC clause numbers — enabling quick review by client engineers and third parties.

Experienced with Saudi Aramco vessel documentation requirements and SAES-D engineering standards.

Frequently Asked Questions

What ASME pressure vessel design services does SLETEC provide in Saudi Arabia?

SLETEC provides ASME BPVC Section VIII Division 1 pressure vessel design calculations including shell and head thickness, nozzle reinforcement, flange selection and rating, saddle and leg support design, and lifting lug calculations. We also produce pressure vessel detail drawings, nozzle schedules, and datasheet preparation. PV Elite is used for all vessel calculations.

Does SLETEC perform Division 2 design-by-analysis for pressure vessels?

Yes. SLETEC supports ASME BPVC Section VIII Division 2 design-by-analysis using FEA (ANSYS Mechanical) for complex geometry, nozzle intersections, and areas where Division 1 design formulas are not directly applicable. Our FEA reports include stress classification, linearisation, and code pass/fail assessment.

Can SLETEC prepare pressure vessel documentation for ASME U-stamp projects?

SLETEC provides engineering calculation and drawing support for pressure vessels that require ASME U-stamp certification. Our calculation packages and drawings are formatted to support the Authorized Inspector (AI) review process and Code Data Report (U-1 Form) preparation by the fabricator.

What information does SLETEC need to begin a pressure vessel design calculation?

To begin pressure vessel design calculations, SLETEC requires the vessel design specification or process datasheet including design pressure, design temperature, fluid service, material specification, corrosion allowance, nozzle schedule, and applicable code edition. Sketches or preliminary drawings of the vessel geometry are also helpful.

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Our engineering team is ready to review your scope, discuss deliverables and submit a competitive proposal within 24 hours.

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