Water Treatment

OPS Solutions has developed composite vessel design for water treatment technology. The concept can be used for water filtering or water injection systems for various process design parameters. The pressure vessels are designed according to DNV-GL C501. The design ensures low weight compared to steel and low maintenance cost for the composite structure.

To develop these PED category IV pressure vessels require highly skilled engineers and advanced production and test set up. OPS Solutions has build up in-house testing equipment for performing advanced fatigue testing of pressure vessels. The vessels are manufactured by using filament winding process, an advanced stable process providing excellent quality and process control. OPS Solutions has a large capacity 5 axis filament machine for production of composite pressure vessels. The pressure vessel prototypes have been subjected to full static and dynamic fatigue testing according to DNV-GL C501 and in addition the workshop and procedures for the vessel manufacturing has been verified by DNV-GL as a part of DNV product certification process.

OPS Solutions has excellent experience  in performing  time consuming and costly approval processes and is able to perform a qualification program for new applications very fast. The pressure vessels can be manufactured with or without a thermoplastic inner liner depending on the mechanical/physical and chemical loading. OPS Solutions has during several years developed a flexible liner technology (project funded by Innovation Norway) that is combined with the filament winding process providing excellent dual laminate properties. By using this liner technology the OPS composite pressure vessels can be used for many types of media (acids and alcaic solutions) in combination with pressure and high temperatures.

What we deliver

Engineering and design
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OPS Solutions builds on 25 years of experience of designing and manufacturing composite structures for tough conditions and demanding customers.

Competence is the backbone of the operations, from engineering and design to manufacturing and installation, with formal and relevant experience across all parts of the operation.

OPS Solutions provide composite material experts from design to installation.

Own R&D resources within composite materials ranging from MSc to PhD level and significant experience on design and Finite Element calculations of composite structures.

Capability to undertake various advanced structural finite element analyses (by means of Ansys and Inventor Pro) and design (by means of Inventor 3D and Auto Cad).

OPS engineering department can provide: 

  • Product development and feasibility studies
  • Prototype design and production
  • Structural analyses
  • Design and detailed engineering
  • Piping and stress analyses
  • Structural tests
  • Compliance check with codes and regulations, Norsok, PED, ATEX, ASME X, ISO 13121, DNV C501 etc.
Pressure vessels
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 All of the OPS pressure vessels are manufactured by using filament winding process, an advanced stable process providing excellent quality and process control. OPS workshop and procedures for the pressure vessel manufacturing have been surveyed by DNV-GL as a part of DNV product certification process. OPS Solutions has an advanced 5 axis filament machine for production of composite pressure vessels. The type IV composite pressure vessels reduce the weight with more than 50% compared to steel and reduce the need for maintenance compare to conventional pressure vessels.

OPS pressure vessels have a new liner technology based on improved fire resistance and low permeability through the liner thickness. This technology can be used for diameters up to 2.5m, manufactured by OPS large filament winding machine.

The pressure vessels can be manufactured with or without a thermoplastic inner liner depending on the mechanical/physical and chemical loading.

OPS Solutions has developed own flexible liner technology that is combined with the filament winding process providing excellent dual laminate properties. By using this liner the OPS composite pressure vessels can be used for many types of media (acids and alcalic solutions) in combination with pressure and high temperatures.

Our pressure vessels are developed inhouse by our engineers and OPS Solutions can provide advanced type approved composite products delivered according to strict design rules including 3rd party verification on design and production by several Notified Bodies (ABS, DNV GL and BV). The composite vessels can be approved according to PED, ISO 11119-3, EN 12245 and ADR depending on the application.

OPS Solutions has an extensive experience with both one off products and series of pressure vessels both exposed to chemicals and pressure.

OPS Solutions has developed concepts for different segments within advanced composite pressure vessels:

  • Low pressure tanks and scrubbers for process industry and oil & gas processing
  • Medium pressure tanks for oil & gas water treatment
  • High pressure tanks developed for Gas transport/storage
  • Special products to deal with customized solutions.

OPS Solutions has developed a PED category IV composite vessel design for water technology. The concept can be used for water filtering or water injection systems where the process design pressure is up to 20 bars.

The pressure vessels are designed according to DNV-GL C501. The design ensures low weight compared to steel and low maintenance cost for the composite structure.

The pressure vessel prototypes have been subjected to full static and dynamic fatigue testing according to DNV-GL C501.

OPS Solutions has developed a high pressure vessel concept for general storage applications. The vessel is a general purpose type IV pressure vessel with a thermoplastic liner and a conductive GRE structural laminate. 

Testing of pressure vessels:

To obtain a DNV(or similar) product certificate the static and dynamic fatigue tests must be performed. OPS Solutions has all equipment necessary to perform the tests and has established a test site for burst testing.

Reference list

Contact person

Reidar Anderssen
General Manager / Vice President
T: +47 48 06 50 22
ra@opsas.no

Kjetil Sevenius
Technical Manager
T: +47 93 45 11 81
ks@opsas.no