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Over 125 years of „Made in Germany“
When August Hering founded this company on 17 October 1884, he put all his ambition and considerable engineering know-how into his plans. And his success was to prove him right. For more than 125 years now, Hering has been manufacturing high-precision plants and heat exchangers that are in demand all over the world and that are characterised by their long working life. With its long tradition of innovativeness and reliability, Hering designs and realises individually tailored technical solutions for customers from the most varied of industries.
Facts and figures:

• 80 employees, of which 20 engineers and technical specialists
• Production space: approx. 6000 m²
• Products/Services: planning, production and assembly of plants and heat exchangers in a wide range of industrial applications
• Industries: power plant technology, environmental technology, chemicals, refrigeration technology, etc.
• Certifications: certified in accordance with DIN 9001 2008, manufacturing pursuant to the Pressure Equipment Directive PED 97/23/EG and ASME Sect. VIII Div.1
• Company seat: Gunzenhausen in Bavaria, Germany

We offer
1. Cleaning systems and - service for air cooled heat exchangers; Air cooled condensers (ACC); Flat coolers; Vertical coolers; V-Design; Hybrids
2. Maintenance of fan drives
3. Internal cleaning of heat exchanger tubes with ITC-System for condensers and process coolers
4. Design of customized devices in order to clean water strainers, plates, underwater grids, etc.
5. Infrasonic cleaning systems and -service
About us:
j&w Cleaning Systems was founded in may 1998 as a spin-off from the company jaresch&wegener (founded in 1932).
Due to decades of professional experience in the field of engineering and manufacturing steel structures and fan rings for any type of heat exchanger plant, a new idea arose in the 90's - the idea to design cleaning systems for enourmous fouled heat exchangers.
Meanwhile j&w has become the technological market leader on this sector.
In addition to the designing and manufacturing of permanent installed cleaning systems, j&w also offers a cleaning service with its own staff in Europe and in South Africa.
Worldwide we cooperate with distribution partners who offer the
patent-pended j&w cleaning systems and service .

As a company in Saxony-Anhalt, see our specialists for pressure vessels, special machines and tube heat exchanger, Process cooling heat exchanger, water heater, columns for chemical plants.
Our qualified and certified team plans, designs and manufactures on-site Lutherstadt Wittenberg. From the calculation and design to implementation, testing and documentation, we are your strong and reliable partner!
We are approved as a welding operation
according to Directive 97/23/EC Module G, DIN EN 729-3, AD 2000 HP0 Abs.3.
The construction plans and designs your devices
with detailed drawings on modern computer / CAD - systems.
We meet dieAnforderungen under the Pressure Equipment Directive 97/23/EC.
We set off after the prescribed calculation ASME and AD 2000.
In cooperation with the TÜV is the preliminary to
ASME and AD 2000.

Als eigentümergeführtes Unternehmen mit langer handwerklicher Tradition hat sich die Bardenhagen-Gruppe seit der Gründung 1986 zu einem deutschlandweit tätigen Unternehmen mit mittlerweile über 100 Mitarbeitern entwickelt, das Unternehmen der Prozessindustrie, insbesondere aus den Bereichen Chemie und Petrochemie, Raffinerien, Kraftwerken mit fossilen Brennstoffen und Kernkraftwerken, Windenergie mit spezialisierten Instandhaltungs- und Reparaturservices unterstützen, als Spezialist rund um Rohrleitungen und Armaturen.
Überall dort, wo ein 24-Stundenbetrieb gewährleistet sein muss und wo Anlagen für eine Reparatur nicht abgeschaltet, ausgebaut und extern überholt werden können, kommen Bardenhagen-Techniker zum Einsatz. Von den Niederlassungen in Horneburg bei Stade (Hauptquartier und Verwaltungssitz), Hürth bei Köln, Schwedt/Oder und Leuna aus wird das gesamte Bundesgebiet wie auch das benachbarte Ausland betreut. Wir bearbeiten sowohl kleinere Soforteinsätze vor Ort beim Kunden wie auch komplette Aufgabenpakete wie die Armaturenrevision einer Großraffinerie während eines planmäßigen Stillstands.
Alle unsere Techniker besitzen die notwendigen Erfahrungen und sind in den meisten Fällen auch bei uns ausgebildet worden.