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
POLIEN / SERVICES
Our Service Areas & Workflow Process
Engineering calculations & analysis, pressure vessel design, technical consulting, and comprehensive 7-stage workflow.
Polien / Core Services
Our 3 Service Disciplines

Engineering Calculations & Analysis
Advanced calculations, detailed analyses, and verified results aligned with international codes.
- Mechanical Strength & Thickness Sizing
- Finite Element Analysis (FEA Stress)
- Nozzle External Load Checks (WRC 537)
- Wind, Seismic, and Fatigue Assessments

Pressure Equipment Design & Analysis
Code-compliant, safe, and fabrication-ready pressure vessel and heat exchanger engineering.
- Pressure Vessel, Reactor & Column Sizing
- Shell & Tube Heat Exchangers (TEMA R/C/B)
- 3D Parametric Modeling & Nozzle Orientation
- 2D Shop Drawings, Flat Patterns & BOM

Technical Consulting & Compliance
National and international code evaluations, third-party approvals, and technical dossiers.
- Third-Party Design Verification Review
- PED 2014/68/EU & CE Notified Body Support
- Technical Dossier & Spec Preparation
- R&D, Reverse Engineering & Process Sol.
7-STAGE WORKFLOW PIPELINE
Our Workflow Process & Engineering Pipeline
Our end-to-end 7-stage workflow from initial inquiry to final code approval and on-site support.
Scoping & Process Requirements
Clarification of process conditions, design pressure (Pn), temperature (Tn), fluid corrosiveness, and corrosion allowance (C.A.).

DELIVERABLES IN THIS PHASE
Code Selection & Material Matching
Selection of governing codes (ASME VIII, EN 13445, PED 2014/68/EU, API 650, TEMA) and compliant alloy grades based on operating demands.

DELIVERABLES IN THIS PHASE
Engineering Calculations & FEA
Formula-based thickness sizing, local nozzle load evaluation (WRC 537/297), and Finite Element Analysis (FEA) structural simulations.

DELIVERABLES IN THIS PHASE
3D CAD Modeling & Optimization
3D parametric solid modeling, tubesheet layout, support saddle sizing, and weight/cost optimization for maximum material efficiency.

DELIVERABLES IN THIS PHASE
Cross-Check & Quality Assurance
Independent peer review of safety factors, boundary conditions, weld details, and code stress limits by senior chartered engineers.

DELIVERABLES IN THIS PHASE
Drafting, Blueprints & Package Delivery
Delivery of full 2D workshop fabrication blueprints, plate flat patterns, weld maps, detailed bill of materials (BOM), and certified calculation packages.

DELIVERABLES IN THIS PHASE
Fabrication, Hydrotest & On-Site Support
Continuous technical supervision during vessel fabrication, WPS/PQR review, hydrostatic pressure test witnessing, and inspection body audit support.

DELIVERABLES IN THIS PHASE