BUNDLES OF EXPERIENCE

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					BUNDLES OF
EXPERIENCE
IN HEAT EXCHANGER
CONSTRUCTION.
A STRONG PRESENCE
IN HEAT TECHNOLOGY:
MAYR & WILHELM.


             Mayr & Wilhelm has been working in apparatus enginee-
             ring for more than 114 years. Today, its main area of
             expertise lies in the manufacture of tube bundle heat
             exchangers, where the focus is always on one thing: the
             tailor-made solution to suit your individual requirements.


             Quality: Constant. Capacity: Flexible.
             Every day we pursue the same goal: the constant high
             quality of our products. Experienced engineers provide
             you with an all-round, high-quality customer service
             from planning, through production to assembly.
             However, we also have other qualities: for example, our
             100-percent adherence to delivery dates and even the
             necessary capacity to be able to react to particularly
             urgent projects at short notice – especially by working
             during shutdowns.


             Innovations including:
             Helixchanger and Twisted Tube® Technology.
             We already have a licence for the next generation of
             heat exchangers. With the introduction of the
             Helixchanger and, in cooperation with the Koch Heat
             Transfer Group, the Twisted Tube® Heat Exchanger,
             Mayr & Wilhelm has combined its many years of
             experience with intensive research. The result: more
             efficient and more reliable heat exchangers for you!
             Even existing, conventional systems can be retrofitted
             at any time. Ask us about this – we will be happy to
             advise you!
THE SUM OF MANY PARTS:
OUR RANGE OF SERVICES.


Customised Heat Exchangers                              Flexibility – Not just in Theory
The heat exchangers from Mayr & Wilhelm are not         To be flexible in your reaction to orders, you need to
available off the shelf. On the contrary: A multitude   have free capacity. At Mayr & Wilhelm, a total of 65
of special requirements demands customised              employees not only like working very much, but also
solutions. A challenge we overcome time and time        like working longer hours if it means completing a
again with a great deal of experience and a high        project on time.
degree of our own engineering input.
                                                        Superior Equipment for Demanding Work
A Promise is a Promise                                  Our production areas and machines are also equip-
Our adherence to delivery dates is legendary and        ped for very big projects. From the assembly hall to
forms a major part of the Mayr & Wilhelm business       the bridge crane: Please find details inside.
philosophy. Furthermore, with a production
capacity of approx. 6,000 hours per month, we are       Quick and Reliable: The Repair Service
also able to meet particularly short deadlines.         Everything you need for a quick repair: Our technical
                                                        equipment makes even quick re-tubing of tube
                                                        bundles possible. The associated heat exchanger
                                                        components can also be repaired or modified in a
                                                        short amount of time.




                                                           Approval and Certification (extracts)


                                                                                         Certification in
                                                                                         accordance with:
                                                           • TÜV Germany                 • PED
                                                           • TÜV Austria                 • HP-0 certificate
                                                           • Lloyds Register             • HP-3 certificate
                                                             of Shipping                 • EN 729-2 certificate
                                                           • Det Norske Veritas          • EN ISO 9001
                                                           • ASME (with U-Stamp)
DEVELOPED
TO BE MODIFIED:
THE BASIC MODELS.


Using standardised basic models,     1. With fixed tube sheet
Mayr & Wilhelm produces customised     TEMA Models AEL/BEM and all suitable versions
solutions. Any design you want is      of the casing and pre-combustion chambers
possible.




                                     2. With floating head and
                                       externally sealed floating head
                                       TEMA Models AEW/BEW




                                     3. With hairpin tubes
                                       TEMA Models AEU/BEU and Kettle model




                                     4. With internally sealed floating head
                                       TEMA Models AES/BES and all versions E-K
                                       of the casing design.




                                     Our Materials



                                     • All Carbon Steels
                                     • All Stainless Steels
                                     • Low Alloy and High Alloy Carbon Steels
                                     • Cupro/Cupro Nickel Materials
                                     • Special Materials
       ALL THE NECESSARY
       CONDITIONS TO MEET THE
       HIGHEST REQUIREMENTS:

Innovative Technologies



       The Twisted Tube® Heat Exchanger
       In cooperation with the Koch Heat Transfer Group,
       Mayr & Wilhelm offers you a revolutionary tube
       bundle construction: The Twisted Tube® Heat
       Exchanger does not need baffles and has already
       proved to be much more efficient and more reliable
       than all other heat exchanger models.


       • Greater heat transfer
       • Smaller or less apparatus
       • No vibrations
       • Less deposits
       • Pure counterflow
       • No baffles
       • Lower pressure drop




Technical Capacities



       Production Areas                                       Apparatus Engineering
       • 1 assembly hall 26 x 22 m with bridge crane (15t)    • 1 plate roller (up to 2,500 mm wide and
       • 1 assembly hall 18 x 13 m with bridge crane (7t)       18 mm thick)
       • 1 machine and assembly hall 20 x 19 m with           • 2 band saws (for tube bundle repairs up
         2 bridge cranes (5t each)                              to 1,500 mm ø)
       • Grimma site: 1 machine and assembly hall             • 5 special drilling devices for repairing
         130 x 25 m with 3 bridge cranes for up to 55t          and retubing
         single weight                                        • 8 tube expanding controllers for expanding
                                                                tubes into tubes plates
       Welding Shop                                           • Various small machines, auxiliary equipment,
       • 2 submerged arc welding installations with boom        lifting gears, etc.
       • 2 automatic tube welding machines (GTAW)
       • 15 welding machines (SMAW)                           Mechanics
       • 15 MIG-MAG welding machines (GMAW)                   • 1 CNC drilling machine
       • 3 plasma cutting machines (PAW)                      • 2 CNC drilling centres
       • 8 welding machines (GTAW)                            • 4 radial drilling machines
                                                              • 1 head bench
       Resources                                              • 2 lathes
       • Various turntables and dolly equipment               • 1 vertical boring and
       • 2 pits for making a fillet weld in a flat position     turning mill
OUR QUALITY IS BASED
ON TRADITION.


1892 Formation of “Ernst Mayr´s Kupferschmiede” in the centre
      of Harburg an der Elbe. The coppersmith developed over
      the course of the following years into a firm manufacturing
      apparatus and tubing.


1924 Friedrich Mayr joined the company.


1938 Alfred Wilhelm senior joined the company.


1961 New generation: Ernst Mayr and Alfred Wilhelm took
      over the management.


1966 The business moved to Großmoordamm – now
      Lewenwerder – in Hamburg-Harburg.


1977 Change of the company name to “Mayr & Wilhelm GmbH”.


1996 Formation of the branch at Grimma near Leipzig.


1997 Change of the company name from GmbH
      to GmbH & Co. KG


2003 When Alexander Wilhelm joined, the fourth generation
      was continuing the Mayr & Wilhelm tradition.




                                       Mayr & Wilhelm GmbH & Co. KG    Mayr & Wilhelm GmbH & Co. KG
                                       Lewenwerder 8 - 10              Bahnhofstraße 5
                                       21079 Hamburg                   04668 Grimma
                                       Telephone: 040 / 76 61 79 11    Telephone: 03437 / 97 27 89
                                       Telefax:    040 / 76 61 79 79   Telefax:     03437 / 97 27 90
                                       E-Mail: info@mayr-wilhelm.de    e-Mail: grimma@mayr-wilhelm.de
                                       www.mayr-wilhelm.de


                                       Management Contacts:            Manager of the Grimma Branch:
                                       Alexander Wilhelm               Alf Pessel
                                       Jürgen Laier

				
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