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
Petrochemical, Oil & Gas
API 650/620 Tanks, Process Columns & Refinery Exchangers
Oil refineries, gas processing facilities, and bulk fuel storage terminals demand zero-leakage and reliable hydrocarbon containment. POLIEN Engineering delivers API 650/620 welded storage tanks, distillation columns, 3-phase separators, and heavy-duty TEMA Class R refinery exchangers.
Fully Compliant with International Standards
Applicable Design Codes & Standards
Key Equipment & Applications
- Crude Oil & Refined Product Storage Terminals
- Refinery Process Units & Fractionation Towers
- Natural Gas Pressure Reducing & Metering Stations (RMS)
- Chemical Bulk Storage and Tank Farms
Polien / Core Disciplines
Engineering & Analysis Scope
API 650 / API 620 Storage Tank Engineering
Shell course thickness optimization via 1-Foot and Variable-Design-Point methods, along with Appendix E seismic sloshing calculations.
Distillation, Absorption & Fractionation Columns
Tall vertical column wind and seismic overturning moment analysis, tray support rings, and ASME VIII Div.2 FEA verification.
2-Phase & 3-Phase Process Separators
High-pressure separators equipped with inlet diverters, coalescing packs, and demister pads.
TEMA Class R Heavy-Duty Exchangers
U-tube and floating head heat exchangers designed for severe refinery fouling, hydrogen embrittlement, and high thermal gradients.
Polien / Deliverables