Columns, reactors and pressure vessels


A wide range of columns: graphite, tantalum, Titanium, Zirconium, PTFE, PFA…

Mersen designs and manufactures columns (including internals and packing) in graphite, PTFE lined, reactive metals (tantalum, zirconium) and metals (titanium, nickel alloys, stainless steel, carbon steel) compliant with demanding process constraints such as corrosion, high pressure and high temperature.

    Pressure vessels

    Mersen is a worldwide recognized designer and manufacturer of pressure vessels made out of different materials ranging from stainless steel and nickel alloys up to sophisticated anticorrosive solutions such as titanium, zirconium and tantalum.


    Decades of experience allow Mersen to provide any design including solid, lined and cladded construction. Since 2006, Mersen has successfully developed its own patented Clad technology called CL-Clad®.

    Quality and security

    • Our engineering capabilities comply with international standards such as ASME, AS ADM, JIS, CODAP or RTOD.
    • Columns and pressure vessels also are fully in accordance with international certifications: ASME U stamp, PED, ISO 9001, ISO 14001, OHSAS 18001, SELO, KGS, GOST-R.
    • Mersen masters all available welding processes such as GTAW, GMAW, SAW, PAW, FCAW, SMAW.

    Worldwide production

    To serve its international customers, Mersen operates its business through American, European and Chinese first-class production plants representing more than 220 000 m2 of shopfloor.

    Graphite columns

    Graphite columns

    Stripping and absorption columns in Graphilor®, Mersen fine grain isostatic graphite

    Zirconium columns

    Zirconium columns

    Mersen's zirconium column for acetic acid production or speciality chemicals production

    Zirconium pressure vessel

    Zirconium pressure vessel

    Mersen's zirconium pressure vessel for chemicals and acetic acid production

    Fluoropolymer columns

    Fluoropolymer columns

    Mersen Armylor® stripping column: carbon steel with PTFE coating for HCl manufacturing

    Titanium pressure vessels

    Titanium pressure vessels

    Titanium tanks and pressure vessels for chemicals, hydrometallurgy and speciality chemicals

    Nickel alloys pressure vessels

    Nickel alloys pressure vessels

    Nickel alloys pressure vessels for chemicals, fertilizer industry and pharmaceuticals

    Columns internals and packing

    Columns internals and packing

    Mersen's columns internal and packing: demisters, packing rings (Pall rings, raschig rings), structured packing, random packing…

    ACE Bangalore Office

    Bangalore Sales Office

    No 5 Bommasandra Industrial Area
    Annekal Taluk
    560099 Bangalore, Karnataka

    T: +91 80 68455211

    ACE Pagny-sur-Moselle Office
    Sales & Engineering

    French Sales Office

    1 rue Jules Ferry
    54530 - Pagny-sur-Moselle

    T: +33 (0)3 83 81 60 81

    ACE Xianda Office
    Sales & Engineering

    Chinese Sales Office

    201411 Shanghai

    T: +86 21 57 52 77 77

    ACE Salem Office
    Sales & Engineering

    American Sales Office

    540 Branch Drive VA
    24153 Salem

    T: +1 540 389-7535

    Reactors, columns, vessels

    27/06/2017 - 3.05 MB