Services
Mechanical strength calculations, pressure equipment design, technical consulting, and 7-step delivery workflow.
Explore AllMechanical, strength, and FEA simulations
ASME VIII Div.1, EN 13445, and TEMA compliance
Standards evaluation and technical reporting
End-to-end flow from inquiry to technical support
Pressure vessels, reactors, tanks, piping, and columns
ASME & EN compliant vessel and nozzle calculations
Thermal and mechanical optimized exchanger designs
Advanced structural, stress, and thermal simulations
Pressure, temperature, and corrosion allowance
Industries
Cross-disciplinary engineering solutions tailored to the dynamics and process conditions of diverse sectors.
Explore AllCustom machine design and structural stress verification
Process tanks, dye kettles, and heat recovery exchangers
Thermal, biomass, geothermal, and cogeneration plants
API 650 / API 620 storage tanks and refinery systems
Heavy industrial furnaces, cooling towers, and steel structures
Waste heat recovery and green energy integration
3D CAD modeling and innovative prototype development
End-to-end plant layout, piping flexibility, and layout design
Standards
Engineering standards guide fully compliant with ASME, EN, API, and TEMA international codes.
Explore AllPressure vessel mechanical sizing and FEA criteria
CE & PED 2014/68/EU compliant calculations
Welded storage tanks for petroleum and chemicals
Shell & tube heat exchanger thermal & mechanical sizing
About Us
10+ years of engineering experience, 3P philosophy, vision, mission, corporate values, and commitments.
Explore AllExpert engineering team founded on shared excellence
Precision, Performance, Professionalism + EN
Engineering beyond standards mindset
Reliability, technical excellence, and continuous growth
Our differentiators and engineering commitments
ASME Section VIII
Division 1 & Division 2 (Rules for Construction of Pressure Vessels)
ASME Section VIII is the globally preeminent standard governing the design, fabrication, inspection, and testing of pressure vessels operating in petrochemical, oil & gas, power, and process facilities. POLIEN Engineering delivers comprehensive calculation dossiers covering both Division 1 (Design-by-Rule) and Division 2 (Design-by-Analysis).
STANDARD EMBLEM
Design Criteria & Limits
Application Scope
- Petrochemical and Chemical Process Reactors
- High-Pressure Gas & Liquid Separators
- Steam Drums and Condensate Vessels
- Compressed Air and Industrial Gas Storage
- Cogeneration and Power Plant Pressure Equipment
Polien / Core Disciplines
Engineering Calculation Scope
ASME Section VIII Division 1 (Design-by-Rule)
Cylindrical shell, conical transition, torispherical and 2:1 ellipsoidal head thickness calculations under internal and external pressure; UG-27, UG-28, UG-32, and UG-37 nozzle reinforcement checks.
ASME Section VIII Division 2 (Design-by-Analysis)
3D Finite Element Analysis (FEA) for severe cyclic thermal and mechanical service; elastic-plastic stress linearization, fatigue screening, and ratcheting evaluation.
WRC 107 / 537 & WRC 297 Local Nozzle Stress Analysis
Evaluation of local primary and secondary stresses at shell-to-nozzle junctions induced by external piping reactions and thermal expansion moments.
Wind, Seismic, and Saddle Support Engineering
Zick method horizontal vessel saddle analysis; ASCE 7 seismic overturning moments and base anchor sizing.
Polien / Deliverables