Engineered Pressure Equipment for Global Markets
PED | ASME
DEC designs, manufactures, tests, and supplies pressure equipment and pressure-containing assemblies for demanding industrial applications worldwide. Our engineering teams develop equipment that combines mechanical integrity, operational safety, long service life, and ease of maintenance to ensure reliable performance throughout its operational lifecycle.
Depending on project requirements and destination country, pressure equipment can be designed, manufactured, inspected, and certified in accordance with the European Pressure Equipment Directive (PED) 2014/68/EU, the ASME Boiler and Pressure Vessel Code (BPVC), or other internationally recognized engineering standards.
Complete Engineering and Manufacturing Capability
DEC provides comprehensive engineering and manufacturing services covering the entire lifecycle of pressure equipment, from conceptual design through fabrication, inspection, testing, documentation, certification, and final delivery.
- Mechanical and process design
- Pressure vessel engineering
- Pressure piping engineering
- Mechanical design calculations and stress analysis
- Finite Element Analysis (FEA), where required
- Material selection and specification
- Detailed fabrication drawings
- Manufacturing supervision
- Factory Acceptance Testing (FAT)
- Inspection and certification support
- Complete technical documentation
Each project is engineered according to its specific operating conditions, including design pressure, design temperature, corrosion allowance, fatigue requirements, process fluid characteristics, cyclic operation, seismic loads, wind loads, and customer-specific requirements.
Pressure Equipment We Manufacture
DEC manufactures custom-engineered pressure equipment and pressure-containing assemblies for process plants, environmental systems, and industrial installations.
- Pressure vessels
- Adsorbers
- Reactors
- Heat exchangers
- Condensers
- Reboilers
- Process columns
- Separator vessels
- Knock-out drums
- Receiver vessels
- Buffer and surge tanks
- Expansion vessels
- Filter housings
- Pressure piping systems
- Skid-mounted pressure assemblies
Many of these components are integrated into DEC solvent recovery systems, VOC emission control plants, thermal oxidation systems, gas treatment units, and energy recovery solutions.
Pressure Equipment Compliance
Pressure equipment is designed and manufactured in accordance with the applicable regulatory framework specified for each project. DEC supports both European and international compliance requirements, ensuring that each equipment package satisfies the technical, safety, and documentation obligations of the destination market.
- European Pressure Equipment Directive (PED) 2014/68/EU
- ASME Boiler and Pressure Vessel Code (BPVC)
- Customer and end-user specifications
- Project-specific national regulations
Each project is individually evaluated to determine the applicable conformity assessment procedures, inspection requirements, certification route, marking obligations, and technical documentation.
Engineering Standards
Pressure equipment is engineered using internationally recognized design codes selected according to contractual requirements, applicable legislation, destination country, and customer specifications.
- ASME Boiler and Pressure Vessel Code, Section VIII, Division 1
- ASME B31.3 – Process Piping
- EN 13445 – Unfired Pressure Vessels
- EN 13480 – Metallic Industrial Piping
- AD 2000 Merkblätter
- PD 5500 – Specification for Unfired Fusion Welded Pressure Vessels
- Customer and project-specific engineering specifications
The selected design code governs the mechanical design, allowable stresses, material selection, fabrication methods, inspection, testing, documentation, and certification of the equipment.
Manufacturing Excellence
Manufacturing is carried out using qualified production processes under controlled quality management systems to ensure the highest levels of safety, reliability, and product quality.
- Plate rolling and forming
- Shell and head fabrication
- Precision machining
- Qualified welding procedures (WPS/PQR)
- Mechanical assembly
- Surface preparation
- Protective coatings and painting
- Mechanical completion
Pressure-retaining welds are executed by qualified welders using approved welding procedures in accordance with the applicable construction code.
Where specified by the project, equipment may be manufactured and certified for CE marking under PED 2014/68/EU or as ASME Section VIII, Division 1 pressure vessels, including the application of the ASME Certification Mark ("U" Stamp), where required and authorized.
Materials
Materials are selected according to operating conditions, process chemistry, corrosion mechanisms, mechanical loading, design code requirements, and customer specifications.
- Carbon steel
- Low-alloy steel
- Stainless steel
- Duplex stainless steel
- Super Duplex stainless steel
- Nickel alloys
- Titanium
- Special corrosion-resistant alloys
Complete material traceability is maintained throughout manufacturing whenever required by the applicable code or project specification.
Inspection and Testing
Quality assurance is integrated into every stage of engineering and manufacturing through comprehensive inspection and testing programs.
- Material identification and traceability
- Dimensional inspection
- Visual Testing (VT)
- Liquid Penetrant Testing (PT)
- Magnetic Particle Testing (MT)
- Radiographic Testing (RT)
- Ultrasonic Testing (UT)
- Positive Material Identification (PMI)
- Hardness testing
- Hydrostatic testing
- Pneumatic testing
- Leak testing
- Final inspection and functional verification
Inspection and Test Plans (ITPs) may be developed jointly with customers, third-party inspection agencies, Authorized Inspectors (AI), or Notified Bodies, depending on the applicable certification requirements.
Technical Documentation
Each pressure equipment package is supplied with comprehensive technical documentation tailored to contractual, regulatory, and code requirements.
- General Arrangement drawings
- Fabrication drawings
- Mechanical design calculations
- Material Test Certificates (MTC)
- Welding documentation
- Non-Destructive Testing (NDT) reports
- Pressure test certificates
- Inspection reports
- Heat treatment records, where applicable
- Declaration of Conformity (PED), where applicable
- Manufacturer's Data Report, where applicable
- Operation and Maintenance Manuals
- Manufacturer's Data Book
Quality Assurance
Quality is embedded throughout every stage of engineering and manufacturing to ensure compliance with applicable codes, customer requirements, and industry best practices.
- Controlled manufacturing procedures
- Qualified engineering and production personnel
- Material traceability
- Independent inspections
- Documented quality records
- Verification of compliance with applicable codes and specifications
- Continuous quality improvement processes
Industrial Applications
DEC pressure equipment is installed worldwide in a wide range of industrial sectors requiring reliable, safe, and high-performance process equipment.
- Chemical processing
- Petrochemical facilities
- Oil & Gas
- Pharmaceutical manufacturing
- Fine and specialty chemicals
- Solvent recovery systems
- VOC emission control
- Thermal oxidation systems
- Industrial gas treatment
- Energy recovery systems
- Environmental protection plants
- Battery materials and advanced manufacturing
Why Choose DEC
DEC combines multidisciplinary engineering expertise with decades of manufacturing experience to deliver pressure equipment that meets the highest standards of safety, quality, and operational reliability. From design and code compliance to fabrication, inspection, certification, and worldwide delivery, we provide complete pressure equipment solutions tailored to the technical, regulatory, and operational requirements of every project.
Ready to Start Your Project?
Contact Us
FAQs • Frequently Asked Questions
PED | ASME - Pressure Equipment Manufacturing • DEC
What is the difference between PED and ASME certification for pressure equipment?
PED 2014/68/EU is the European Union directive governing the design, manufacture, and conformity assessment of pressure equipment for CE marking, while the ASME Boiler and Pressure Vessel Code (BPVC) is the design and construction standard most widely used in North America and internationally, including Section VIII, Division 1 for pressure vessels. DEC engineers and certifies equipment under either framework, or both, depending on the project's destination market.
What types of pressure equipment does DEC manufacture?
DEC manufactures pressure vessels, adsorbers, reactors, heat exchangers, condensers, reboilers, process columns, separator vessels, knock-out drums, receiver vessels, buffer and surge tanks, expansion vessels, filter housings, pressure piping systems, and skid-mounted pressure assemblies for process plants and environmental systems.
Can DEC pressure equipment receive the ASME "U" Stamp?
Yes. Where specified by the project, DEC can manufacture and certify equipment as ASME Section VIII, Division 1 pressure vessels, including application of the ASME Certification Mark ("U" Stamp), where required and authorized.
What inspection and testing does DEC perform on pressure equipment?
DEC's inspection and testing program covers material identification and traceability, dimensional inspection, visual testing (VT), liquid penetrant testing (PT), magnetic particle testing (MT), radiographic testing (RT), ultrasonic testing (UT), positive material identification (PMI), hardness testing, hydrostatic and pneumatic testing, leak testing, and final functional verification, with Inspection and Test Plans developed jointly with customers, Authorized Inspectors, or Notified Bodies as required.
What documentation is supplied with DEC pressure equipment?
Each pressure equipment package can include General Arrangement and fabrication drawings, mechanical design calculations, Material Test Certificates, welding documentation, NDT reports, pressure test certificates, inspection reports, heat treatment records where applicable, a Declaration of Conformity (PED) or Manufacturer's Data Report where applicable, Operation and Maintenance Manuals, and a complete Manufacturer's Data Book.
Is pricing available for DEC pressure equipment, and can I purchase a system directly?
DEC pressure equipment is custom-engineered per APC (Air Pollution Control) project, so there is no fixed list price. This equipment is manufactured for integration into DEC's APC systems rather than quoted as a standalone product; individual items are only quoted separately as spare parts for existing installations. Each system is sized, designed, and priced once DEC's engineering team has reviewed the operating conditions, applicable design code, and certification requirements of your project. Contact DEC's Technical Sales & Applications engineering team to request a quote.
