Let us build the performance of your processes

A valuable relationship

to meet your requirements

Rich with 30 years of experience in design and manufacturing of welded heat exchangers, pressure vessels and filters Nexson Group covers a large range of processes and applications such as Refinery, Oil & Gas, Petrochemicals, Coke Oven, Gas & Steel…

Heat exchangers

A maximum heat recovery for reduced maintenance costs

greenSpiral – TYPE 1

 Liquid to liquid duties

  • Self-cleaning effect
  • For fouling duties
  • Single channel heat exchanger
  • Alternative to the shell & tube exchangers

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GREENSPIRAL – TYPE 1

FOR HIGH PRESSURES / TEMPERATURES

  •  High temperatures and high pressures conditions up to 200 barg / 450°C
  • For fouling duties
  • Self-cleaning effect

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    GREENSPIRAL – TYPE 1

    FOR WASTE WATER PLANTS / BIOGAS / SLUDGE HANDLING

    • Special design to handle wastes
    • Biological treatment – Biogas plants
    • Alternative to tube in tube heat exchanger

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        greenSpiral – type 2

        TOP CONDENSER

        • For large condensing applications
        • Can be directly mounted at the top of the column without any supporting system

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        GREENSPIRAL – TYPE 2

        BIPHASIC APPLICATION

        • Any condensing / vaporizing applications
        • Low pressure drop
        • Working conditions under vacuum
        • Can be column mounted

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          GREENSPIRAL – TYPE 2

          BIPHASIC APPLICATION – COLUMN

          • For large condensing applications
          • Low pressure drop
          • Alternative to the shell & tube exchangers falling films

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            GREENSPIRAL – TYPE 3

            STEAM HEATER

            • Steam heating with fouling duties
            • Low pressure drop
            • Robust construction for cycling

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              GreenBox – S BOX

              LIQUID TO LIQUID  | BIPHASIC

              • Square corrugated plates welded together
              • Most robust heat exchanger of its category
              • Can handle semi fouling medias

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              GREENBOX – W BOX

              LIQUID TO LIQUID | BIPHASIC

              • Square corrugated plates welded together
              • Operable at extremely high pressures and temperatures
              • Full welded equipment

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                GREENBOX – R BOX

                EFFLUENT TREATMENT

                • Heat transfer area independant to shell
                • Optimised flow distribution per channel
                • Allow to work with agressive media

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                    GREENBOX – C BOX

                    Liquid to liquid | Biphasic

                    • Fully welded shell and plate
                    • Resistant to high temperature, high pressure, and corrosion
                    • Optimal shape for pressure vessels

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                    GREENPLATE

                    GASKETED PLATE HEAT EXCHANGER

                    • Multipass heat exchanger
                    • Flexible design
                    • Corrugated plates

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                      GREENtube

                      shell & tubes heat exchanger

                      • Full welded equipment
                      • High pressures and temperatures
                      • Multipass channel

                      GREENtube

                      Coil wound heat exchanger

                      • One of the most advanced, efficient and energy-saving heat exchange equipment in the world
                      • Low temperature approach
                      • Up to 8 different medias can be heated, condensed and cooled simultaneously

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                      equipments

                      Others RANGE OF EQUIPMENTS

                      green cip

                      CLEANING IN PLACE (CIP)

                      • For on site pipings and heat exchanger cleaning
                      • No equipment dismantling
                      • Autonomous equipment

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                      greenskid

                      Process skid on request

                      • On request

                      We are offering a full range of services

                      save time, money and gain in reliability

                      LET US BE YOUR
                      RELIABLE PARTNER

                      TO BRING SUCCESS
                      TO YOUR PROJECTS

                      Application areas

                      oil&gas | refinery

                      Oil and natural gas are fundamental in our time. Refineries are complex buildings and depend on round-the-clock operations. Avoiding unexpected and costly shut-downs requires robust and reliable technologies that can operate efficiently and cost-effectively in the harshest of environments.

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                      PETROchemical

                      Chemistry combined with petrochemistry is the biggest market of heat exchangers in the industry. It is easily understandable if we consider the conception of the production processes which requires numerous stages of heat transfer. Nexson heat exchangers are adapted to comply with environmental constraints and high-pressure requirements.

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                      mining & steel

                      Production processes in heavy industry are often energy-intensive and generate a lot of heat. The big challenge is to keep production running smoothly despite the high temperature. Thanks to Nexson people great experience and the heat exchangers solutions offered, you will get the required performance and efficiency.

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                      pulp & paper

                      Paper use increases year on year, and has quadrupled over the past 50 years. Surrounded by continuously growing competition, the main goal of each plant is increasing its processes efficiency. Correctly organizing heat transfer for every stage of the manufacturing process is what plays the most important role in increasing the efficiency.

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                      power

                      To compensate the lack of energy in the future, solar energy is one of the best alternative. It is the renewable energy that has the most significant growth potential.
                      The Concentrating Solar Power (CSP) technology uses large sun-tracking mirrors to concentrate solar radiation. Products such as Spiral and condensers are needed.

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                      agro industries

                      The agro industry sector which groups industries so varied as starch, vegetable oil, brewery, food and sugar has become over the years a large consumer of heat exchangers.
                      It actually consumes a lot of energy and can lose it just as much. Hence the interest to think of getting back the heat via a Nexson customized heat exchanger, the reliability and cost effectiveness of which comply with the current food-processing standards.

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                      PHARMACEUTICAL

                      Pharmaceutical industry requires the highest hygienic standards in accordance with GMP (Good Manufacturing Practice). Nexson heat exchangers are specially designed to meet the high sanitary requirements of this industry. They can be used for heating, cooling, and tempering
                      pharmaceutical products.

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                      environment

                      Heat exchangers play an essential role in pollution prevention and in the reduction of environmental impact of industrial processes, by reducing energy consumption or recovering energy from processes in which they are used. Nexson spiral heat exchangers are specially designed for this process. They allow to handle big particles / fibers without any fouling or process shutdown.

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