01
Pressure Vessel Design · Fabrication
A total solution from design to fabrication for reactors, drums, storage tanks, columns, heat exchangers and more.
Design · Domestic Certification and Inspection · Import Vessel Certification — Founded 1998, Pressure Vessel Engineering Specialists
Across petrochemicals, fine chemicals, secondary batteries, bio, pharma, food, new materials and energy — a trusted total plant engineering partner for 30 years, accountable from design optimization to domestic and global certification.
Seoeun Plant Tech is a specialist in total engineering solutions — pressure vessel design, process design, testbeds, strength calculation, stress analysis and safety certification — across petrochemicals, bio, pharma, nuclear, hydrogen, food and new materials.
With over 2,800 import vessel certifications and many certification-consulting projects delivered, we work closely with major domestic and international certification bodies to provide the optimal technical solution for every client.
Design optimization, fabrication and approvals through a single point of contact — a one-stop solution that completes your project.
Pressure vessel design to ASME · EN · KS · JIS codes, strength and thermal calculation, FEA stress analysis
Fabrication of vessels, heat exchangers and agitators; piping and steel-structure construction; special coatings
Agency for domestic (KEA·KOSHA·KGS) and overseas (ASME·CE-PED·Class) certification
A total solution from design to fabrication for reactors, drums, storage tanks, columns, heat exchangers and more.
Custom pilot plants and testbeds designed and built for R&D and scale-up.
Integrated engineering for plant piping design, P&ID development, and steel-structure design and construction.
Industrial agitator design and fabrication, plus corrosion-resistant surface treatments such as Teflon coating.
Scheduled inspection, repair, retrofit and performance optimization for the safe operation of running plants.
Expert consulting to obtain domestic (KEA, KOSHA, KGS) and overseas (CE-PED, ASME, TÜV) certifications.
From documentation to site preparation and witnessed inspection — a one-stop agency service that takes responsibility for the entire process through to issuance of the approved certificate, resolved quickly so you never miss the delivery window.
Safety certification for industrial pressure vessels — we handle everything from documentation to witnessed site inspection.
Inspection certification for energy-related pressure vessels — for both domestically made and imported equipment.
Safety-inspection certification for high-pressure gas vessels and equipment — from filing to comment response and approval.
Code-compliant drawings and calculations plus inspection certification for fire-protection vessels and equipment.
Identify inspection body
Code-compliant drawings and calculations
Application and filing (liaison)
Reviewer meeting and comment response
Document approval
Fabrication-inspection prep
Certificate issued
Seoeun Plant Tech holds numerous first-ever certifications (inspection numbers ending in 00001) — proof of our industry leadership.
From major Korean inspection bodies to ASME, CE-PED and European, American and Asian classification societies — we cover every certification export-oriented engineering requires.
Optimal plant solutions tailored to the specific requirements of each industry.
High-precision reactors and vessels that ensure stability in high-risk processes
GMP-compliant design for sterilization processes, mixing systems and cleanroom pressure vessels
Custom bioreactors, fermenters and extractors designed for bioprocess optimization
Nuclear-grade vessels meeting the highest safety standards
Hydrogen storage and transfer equipment for next-generation energy
Hygienic food-processing plants compliant with HACCP
Specialized reaction and processing plants for advanced materials
High-purity process design for semiconductor and industrial gas plants
High-efficiency heat exchangers, boilers and environmental equipment for power and energy plants
High-pressure and specialized pressure vessel design and certification for next-generation battery manufacturing
Wastewater treatment and high-pressure reactor vessel design for environmental regulation compliance
Pressure vessels and heat exchangers for offshore plants and marine vessels
We design the optimal technical solution from state-of-the-art analysis tools and deep experience.
Optimized design to international codes including ASME SEC.VIII Div.1/2, EN13445, KS B 6750/6751, JIS B 8265/8266 and GB150
HTRI-based thermal-performance analysis and strength calculation for the optimal balance of safety and efficiency
Precise structural analysis and stress-distribution simulation using finite element analysis (FEA)
Process flow diagrams (PFD), piping and instrumentation diagrams (P&ID) and process optimization
KEA, KOSHA and KGS certification plus PSM compliance
Consulting to obtain conformity under the EU Pressure Equipment Directive (PED 2014/68/EU)
ASME certification and U, UM, S and PP stamp compliance
Global certification including KR, LR (Lloyd's), DNV, TÜV (Germany) and DOSH (Malaysia)
Since our founding in 1998, relentless innovation has set new standards in plant engineering.
The year patent management began — 2 patent applications in progress, additional applications under review
Recognized as a dedicated R&D department by the Korea Industrial Technology Association (KOITA)
Completed relocation and expansion of the Bundang HQ and Boeun factory
Reached a cumulative 2,500 import pressure-vessel certification and inspection-agency cases
Began developing a one-of-a-kind design program (in progress)
Relocated and expanded experimental facilities (pilot plant, testbeds)
Expansion: introduced and designed Korea's first testbed concept
Developed and applied a JIS strength-calculation program (JIS B8265–8267)
Expansion: began KEA import pressure-vessel inspection-agency service
Adopted MIDAS GEN — stress analysis of complex structures
Expansion: began total engineering — process, machinery, electrical and instrumentation
Relaunched as Seoeun Plant Tech Co., Ltd.
Expansion: KOSHA and overseas certification-agency service
Expansion: class vessel design-certification agency (KR, ABS, DNV, GL, LR, RINA, etc.)
Expansion: domestic vessel design-certification agency (KOSHA, KEA, KGS, Fire Services Act, etc.)
Adopted COMPRESS (ASME CODE)
Expansion: thermal calculation, piping, process and structural design
Released MECAL V3.0 strength-calculation program (ASME CODE)
Built MECAL V2.0 strength-calculation program (ASME CODE)
Seoeun Engineering founded
Scope: basic and detailed design
Explore Seoeun Plant Tech's capabilities and product line-up.
Seoeun Plant Tech Catalog
Import Certification Guide
1 Jeongja-ilo, Bundang-gu, Seongnam-si,
Gyeonggi-do · Bldg. C, #1412
3 min walk from Jeongja Stn (Shinbundang Line), Exit 1
Alight at Jeongja Station stop
Bundang Pangyo IC → Jeongja-dong
On-site parking available
To discuss a new project, reach us through the form below. We reply within 24 business hours.
1 Jeongja-ilo, Bundang-gu, Seongnam-si,
Gyeonggi-do · Bldg. C, #1412
Mon–Fri 09:00 – 18:00
Closed weekends and public holidays