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Plant construction

With the construction of plant components, containers, heat exchangers and piping, and entire small systems, the Rohrer Group is a reliable partner for clients from various different areas of the process industry.

Skilled specialists and professionals find the optimal solutions for repair work, replacement of system parts and extensions.

  • National and international clients value above all the available, solid professional expertise and the range of services, from engineering to successful final inspection:

    • Sample and prototype construction
    • Small batches of special components
    • Processing, for example, of Incoloy, Hastelloy and Duplex
    • Core technical components
    • High-pressure components
    • Production of turning, milling or laser parts or welded assemblies
    • Solution of individual client requirements

  • For plant construction, the Rohrer Group also offers engineering services in the following areas:

    • Design/concept creation
    • Static calculations
    • Assembly studies
    • Production drawings/isometries
    • Creation of site and layout plans, and item lists
    • Pressure loss calculations
    • Creation of test sequence plans and test instructions
    • Scheduling and project management

  • Many years of experience in welding and testing technology and advice by in-house welding engineers guarantee the safety and skilled execution of the assigned tasks.

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  • Inspection personnel in accordance with EN 473 levels 2 and 3 carry out the following inspections directly on-site at our prefabrication sites by means of:

    • Penetration tests(PT)
    • Ultrasound tests(UT)
    • Radiographic tests (RT)
    • Magnetic particle tests (MT)
    • Leak tests(LT)
    • Pressure tests (PT)
    • Visual tests (VT)
    • Spectral analyses, hardness tests
    • Destructive material and semi-finished product tests

  • State-of-the-art workshops for the prefabrication of plant components are available at strategically important sites. The equipment includes, for example, machines and large tools for typical mechanical processing techniques.

    Information about the main production sites:

    Production area 2.500 m²
    Indoor cranes 2 x 10 tonnes / 1 x 25 tonnes
    Cutting/lasering 3000 x 1500 mm
    Wall thickness 30 mm
    Milling ≤ 3.500 mm x 1.250 mm x 1.500 mm
    Individual masses up to 10 tonnes
    Lathing Ø ≤ 600 mm; L ≤ 2.000 mm
    Sawing Ø ≤ 520 mm (band saw)
    Ø ≤ 100 mm (buzz saw)
    Shearing t ≤ 16 mm; L ≤ 3.000 mm
    Drilling Ø ≤ 60 mm
    Chamfering t ≤ 20 mm; L ≤ 4.000 mm
    Rolling t ≤ 20 mm; L ≤ 3.000 mm
    Welding MAG (135), WIG (141),
    E-Hand (111), Orbital (142)
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About the Rohrer Group

Thanks to the wide range of services and the synergy effects that arise from this it is possible to take prompt and flexible action at all sites in Europe and the Middle East.

State-of-the-art equipment, the highest levels of expertise and cost efficiency, constant monitoring of the quality and safety, high flexibility, as well as the best trained personnel in accordance with SCC/VCA** guidelines are the most important aspects in the success of the Rohrer Group. The excellently developed management system for environmental health and safety is the basis for the security performance during projects, downtimes and long-term framework contracts.

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