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Wir sind ein globaler Technologieführer auf dem Gebiet der Membrandosierung und Prozesspumpen sowie diverser Systeme für verschiedene Anwendungen. In mehr als 60 Jahren Firmengeschichte haben wir uns ein umfassendes Know-how angeeignet, um für unsere Kunden die besten Lösungen für viele Prozesse und Anwendungen zu entwickeln. Unsere qualifizierten Ingenieure forschen intensiv auf verschiedenen Gebieten.


Die Ergebnisse dieser Arbeit möchten wir mit Ihnen teilen. Hier präsentieren wir den neuesten Stand der Forschung und unser Know-how. Interessieren Sie sich für die neuesten Erkenntnisse im Bereich der Weiterverarbeitung? Oder möchten Sie mehr über Pulsationsstudien erfahren? Dann wählen Sie einfach das entsprechende Whitepaper zum Download aus! Die Whitepaper sind derzeit in englischer Sprache erhältlich. 

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Diaphragm pumps in oil and gas industry

Most applications in oil and gas industry run with diaphragm pumps. Their characteristics make them more suitable for the special requirements in this area than most other pump types. This whitepaper refers to several applications and devices in the oil and gas industry that are run with diaphragm pumps such as chemical injection packages.

Deep UV-LED Performance

LEWA’s parent company NIKKISO has developed deep ultraviolet light emitting diodes (DUV-LEDs). They have got technical support from none other than both winners of the Nobel Prize 2014 in physics. In this whitepaper, Dr. Cyril Pernot (NIKKISO) explains the performance data of this new technology in detail and shows different DUV-LED applications.

Pulsation studies: Unsteady Friction Models in 1-dim CFD

The pump piping system has to be designed carefully if positive reciprocating displacement pumps with high hydraulic power are installed. Improper layout can lead to abnormal high-pressure pulsation, cavitation and fatigue failure of pump, piping or components. In this whitepaper, Dipl.-Phys. Marco Klinkigt (LEWA) explains the advantages of LEWA developed 1-dim CFD software. The software tools give us the opportunity to design an efficient pump-piping and dampener device layout for economic and reliable operation.

Life in Balance – Design and service requirements for pumps operating in a liquefied hydrocarbon environment

The service life of rotating equipment is dependent upon the successful operation of their rolling element bearings. For successful operation, a bearing should be installed properly, provided with a contamination-free environment, and sufficiently lubricated or cooled. Submerged electric motor pumps (SEMP), operating at a cryogenic temperature in a liquid hydrocarbon environment, provide a rolling element bearing design application that meets these criteria.

Speed Control – High speed designs and variable speed control advantages of cryogenic submerged motor pumps

In designing a pumping system, controllability using variable speed to adjust pump operation can help in achieving energy savings. Increasing rotational speed above normal line frequencies and using higher speed motors lead to more compact, lighter pumps. These smaller units result in smaller components as well as lower installation and maintenance costs. Using variable speed with centrifugal pumps is nothing new, but with submerged motor cryogenic pumps, it is now becoming more widespread due to the need to reduce costs.

Seal-less zero emission LNG pump solutions – How small scale LNG industry can benefit from the unique properties of submerged motor pumps

Submerged motor pumps (SMPs) are designed versatilely: The same basic pump configuration, with all of its features and benefits, can be adapted in a variety of ways to meet various process, transport, transfer and storage applications in various static or dynamic installations. Benefits include zero emissions, high safety and the availability of high speed designs and variable speed control.

Safety Matters – How to implement a safety and environmental management system to reduce risks in cryogenic pump testing

LNG facilities are built with state-of-the-art equipment and safety controls. The industry’s highest priority has always been safety and security, which is reflected in its impressive safety record. NIKKISO Cryo’s cryogenic pump testing facility is utilized to provide performance and mechanical tests for submerged motor cryogenic pumps for engineering purposes for development, engineering tests for production and Factory Acceptance Tests (FAT) for customers. Furthermore, NIKKISO Cryo uses an integrated management system to improve quality, safety and environmental performance in a process and systems approach.

FLNG Rock and Roll – Technical advances for LNG pumps aboard FSRUS

Lower capital costs, shorter on-stream time, lower coastal environment impact and flexibility – these are some reasons that led to the development of the floating storage and regasification unit (FSRU). NIKKISO Cryo is dedicated to the LNG industry and has heavily invested in technologies to advance FLNG including FSRU, FPSO and SRV operations. The company's packages include the full range of in-tank, send out and line packing pumps proven in the field. Original technologies addressing the specificity of operation during ship motion have been developed, patented and successfully validated.

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© 2019 LEWA GmbH