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
Our Pressure Equipment Portfolio
Comprehensive Engineering Across 12 Core Industrial Equipment Categories
End-to-end mechanical sizing and design for storage vessels, reactors, TEMA exchangers, and process flash drums.
Broad Industrial Equipment Scope
POLIEN provides over a decade of specialized expertise in sizing critical pressure vessels operating at the heart of process plants.
Every equipment category is custom-engineered considering fluid chemical corrosiveness, design pressure, and thermal expansion envelopes.
12 Core Equipment Groups
Vertical & Horizontal Pressure Vessels
Process vessels aligned with ASME VIII Div.1 and EN 13445.
Shell & Tube Heat Exchangers
Fixed, floating head, or U-tube exchangers compliant with TEMA.
Stirred Reactors & Mixing Tanks
High-temperature, chemical reaction vessels with agitation loads.
Atmospheric Storage Tanks
Petroleum and chemical storage tanks compliant with API 650 / API 620.
Separators & Gas Scrubbers
Two-phase and three-phase separation and knockout drums.
Industrial Cyclones & Dust Collectors
Erosion-resistant gas cleaning and separation cyclones.
Industrial Applications
Applied Standards
Request Technical Proposal
Submit your equipment operational parameters for a tailored engineering sizing proposal.
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