Marelli Motori D5H – D5L Series for Oil & Gas

What is Oil & Gas?

Oil and gas production is the general process of manufacturing oil and natural gas from wells and turning them into the final petroleum products that consumers can use. Oil and gas production includes systematic steps starting from the site exploration, to actual extraction, and even up to the distribution of the products to businesses and the general public.

The oil and gas industry is one of the largest sectors in the world and a huge factor in the global economy. But just like any other industry, it can also be very fragile and prone to volatility. With all the things recently happening between two major oil producers, there’s a call of ramping up oil and gas production to avoid shortages and prevent the prices from increasing further.

History of the Modern Oil Industry

Throughout human history, before the modern history of the oil and gas industry even began, energy has been a key enabler of living standards. To survive in the agrarian era, people burned wood for warmth and cooking. In addition to its use as a building material, wood remained the chief global fuel for centuries. The invention of the first modern steam engine, at the beginning of the 18th century, heralded the transformation from an agrarian to an industrial economy.

Steam engines could be powered by either wood or coal, but coal quickly became the preferred fuel and it enabled massive growth in the scale of industrialization. A half-ton of coal produced four times as much energy as the same amount of wood and was cheaper to produce and, despite its bulk, easier to distribute. Coal-fired steam locomotives dramatically reduced the time and cost of inland transportation, while steamships traversed oceans. Machines powered by coal enabled breakthroughs in productivity while reducing physical toil.

With the dawn of the 20th century, environmental concerns and new technologies led to another energy source shift from coal to oil. Interestingly, although women were not yet allowed to vote, ladies’ societies in the United States were instrumental in lobbying for laws to improve air quality and reduce the dense smoke caused by burning coal.

Technical Features

Marelli Motori D5H - D5L Series for Oil & Gas
MarelliMotori Oil & Gas D5H – D5L
  • Series: D5H / D5L
  • Power: Up to 770 kW
  • Voltage: Up to 6600 V
  • ATEX Execution: Ex db IIB T4 Gb (D5H) / Ex db eb IIB T4 Gb (D5L)
  • Frame: 355 to 450
  • Pole: 2 to 10
  • Frequency: 50 Hz, 60 Hz or variable speed
  • Protection Degree (IP): 55, 56, 65, 66
  • Cooling Method (IC): 411, 416
  • Ambient Temperature: -20°C to +60°C
  • Enclosure Material: Frame: cast iron, Shields: cast iron (355), welded steel (400-450)
  • Bearing: antifriction
  • Applications: Centrifugal & reciprocating compressors, Conveyot systems, Cranes, Extruders and expanders, Heat exchangers and blowers, Mills, Mixers, Pumps
  • Standard / Certificate: IEC 60034, 60079

Main Options:

  • PT100 in stator windings
  • Anti-condensation heaters
  • Special voltage
  • Arrangement for vibration sensors
  • Horizontal or vertical shaft design

Source: www.marellimotori.com

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