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Oil maintenance systems

GermanyHannover and Lower Saxony
  1. HARTMANN VALVES GMBH

    Germany

    As one of the leading manufacturers of ball valves, pig valves and wellheads, Hartmann Valves is active in the oil, natural gas, petrochemical, power plant technology, geothermal and renewable energy sectors all over the world. Design, assembly and tests are carried out exclusively at the German plants. Designed on a customer-specific basis, Hartmann high-performance fittings are suitable for temperatures ranging from -200 to +550 °C, pressure levels up to 700 bar as well as for up to 200, 000 switches a year and can withstand aggressive media such as oil, natural gas, sour gas, syngas, oxygen, hydrogen, helium, steam, thermal water, coal dust, mud, slag & ash, polymers, cellulose as well as abrasive and degreasing media. The pure metal seal system is especially durable, long-lasting and low-maintenance. Our API 6A-conformant wellheads and subsea trees are equipped with metallic sealing ball valves and have been successfully in use for decades.

  2. SIGMA LABORZENTRIFUGEN GMBH

    Germany

    Sigma Laborzentrifugen GmbH is one of the world's leading manufacturers of laboratory centrifuges. Centrifuges are standard equipment in any laboratory and are practically indispensable in separation technology, i.e. the separation of components of differing densities from a liquid, where they are used especially intensively. Sigma offers a wide range of products that include laboratory centrifuges, angle and swing-out rotors and accessories. All our products meet high standards in reliability and safety. Areas of application include pharmaceutical research, biotechnology, medical analysis, environmental analysis, mineral oil surveys and a variety of other fields. The production of centrifuges was initiated by Martin Christ Snr. in 1948. In 1975, he founded Sigma Laborzentrifugen GmbH. A new drive system for laboratory centrifuges that functions without the need for maintenance raised Sigma's profile internationally, and the business grew rapidly from that point on.

  3. UDO GÄRTNER GMBH

    Germany

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    Udo Gärtner GmbH, based in the Wennigsen municipality in the Hanover region of Germany, has been successfully operating for over 40 years and has made a name for itself across various industries. While virtually all of its customers are typical medium-sized companies, larger businesses also trust Udo Gärtner GmbH. In addition to its traditional sales of IT products and services, the company also takes on projects in the fields of IT consulting and system integration, with a focus on infrastructure and IT security. The IT service is provider is therefore always looking for the best solutions, specifically with regard to cloud computing. Likewise, the company had been looking for a scalable and flexible e-mail security solution for companies of every type and size since a hardware appliance would no longer provide the required flexibility. The solution came in the form of Mimecast, whose range of services not only offer unbeatable scalability but also a cyber resilience framework that left Udo Gärtner GmbH greatly impressed.