Sundyne Marelli process pump

horizontal & vertical process pumps

Sundyne-Marelli process pumps in accordance with ISO-13709, API-610. Horizontal series: OH2, BB1, BB2, BB3 and vertical series: VS1, VS2, VS4, VS6.

With flow rates as high as 8,000 m³/h and a wide variety of different pump models, Sundyne-Marelli has a pump that will fit your application.

  • Flow rate up to 8,000 m³/h
  • Head up to 850 m


Technology: Horizontal & vertical process pumps in accordance with API 610

Sundyne-Marelli pumps are used in refineries, petrochemical plants, offshore platforms, the chemical industry, industrial water and wastewater plants and for high-pressure applications.


  • Pumps in accordance with API 610 according to the most recently valid version, with complete compliance with this standard
  • Short delivery times
  • Over 40 years of experience
  • Mechanical seal in accordance with API 682
  • High efficiency due to the tangential assignment of the pump pressure connection
  • Abundant selection of hydraulics
  • Double spirals for pressure flanges over 3" for reducing radial forces
  • Pump housing in process design


  • Single and dual mechanical seals
  • Oil or oil mist
  • External cooling or cooling ribs for the bearing housing
  • Base plates with impounding basin
  • Cooling of the bearing housing with integrated fan
  • Reinforced bearing housing for high suction pressures
  • Heating jackets
  • Materials S-5, S-6, S-8, A-8, C-6, D-1 in accordance with API 610 and special materials
  • Robust shafts for reducing shaft deflection

Technical Data

Pump seriesMax. head in [m]Max. flow rate in [m³/h]Max. viscosity in [cSt]Max. temperature in [°C]


Complete systems from LEWA for offhore applications in the Oil-and Gas Industry
Oil- and Gas Industry

Pumps and Packages for the Production of Crude Oil and Natural Gas

LEWA has been your expert in pumps and packages since the 1950s. With us, you get everything from a single source: Our custom-built packages are used all around the world for offshore crude oil and natural gas production. From China to the United Arab Emirates, strong partners rely on our expertise for crude oil exploration applications.

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Reliable pumping solutions for Refineries
Refineries industry

Pumps and Metering Systems for Distillation Plants and Applications in Refineries

Crude oil must be cleaned, separated, and converted (refined) until the final products suitable for sale are made (e.g., gas, diesel, heating oil, lubricants, propane, butane). LEWA supports you with pumps and metering systems, which are used in the refining process during chemical metering. Application with our products are distillation plants, coker, cracker, or visbreaker, for example. Ask our experts for more information!

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Pump, systems and skids for the Petrochemical industry
Petrochemicals Industry

Pumps and Metering Packages for the Petrochemical Industry

We have supplied durable pumps and metering systems for applications such as the hydrocracking process for over 50 years. Petrochemicals generate starting products for the manufacture of plastics, pharmaceuticals, colorants, detergents, and other products. Contact our experts and allow us to provide you with detailed information about metering and pumping solutions for the hydrocracking process!

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For energy utilities LEWA provides customer specific pumping solutions
Energy industry

Metering Packages and Pumps for Power Plants and Power Suppliers

LEWA supports power plant operators and power suppliers with pumps and systems for conveying, metering, and mixing different fluids. We not only provide power plants with our products, but also develop solutions for wastewater treatment plants, gas bottlers, biogas producers, regional power suppliers, and hydrogen producers.

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  • Washing Systems
  • Butane Transfer 
  • Fuel 
  • Gasification Emergency
  • Feedwater 
  • Condensate Extraction 
  • Solvents
  • Flue Gas Wet Scrubbing 
  • Industrial Waste
  • Feedwater Booster 
  • Filter Backwash 
  • Brine Disposal
  • Cooling Systems 
  • Heater Charge 
  • Snowmaking 
  • Isomerization 
  • Condensate 
  • Gasoline 
  • Chemical Transfer 
  • Crude Oil Transfer 
  • Fine Chemicals 
  • Wastewater Treatment 
  • Chlorine 
  • Inorganic Chemicals 
  • Tank Farm Transfer 
  • River Flows 
  • Irrigation 
  • Seawater Reverse Osmosis SWRO 
  • Bioprocessing 
  • Chlor alkali 
  • Hydrotreating 
  • Ethanol 
  • Light Oils 
  • Agriculture 
  • Waste Processing 
  • Water Cooling 
  • Evaporators

Further applications

Amine treatment

Amine treatment

At LEWA, you receive pumps and systems for amine treatment in power plants. Ask our experts for more information.

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Polyethylene production


LEWA manufactures metering pumps and metering systems for polymerization which optimally meet the necessary requirements. We are happy to help.

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Melamine production

Production of melamines

LEWA metering and process diaphragm pumps meet the specific demands for the production of melamine (trimerization of urea). Consult us!

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Hydrocarbon condensate

Disposal of hydrocarbon condensate

LEWA systems help you transport and dispose of hydrocarbon condensates (HCC) that arise when producing natural gas, both onshore and offshore.

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Biomass to Liquid - Production of Fuels

Production of biofuels

Biofuels are produced using metering and process pumps from LEWA in the remote-head design. Learn more about these and other applications!

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Sundyne - Direct Drive API Pumps (EN)

Sundyne - Direct Drive API Pumps (EN)
2 MB | pdf | 26.01.2020


Sundyne Integrally Geared (EN)

Sundyne - Single Stage Integrally Geared API Pumps
2 MB | pdf | 26.01.2020


Sundyne HMP 3000-5000 (EN)

Sundyne - Intergrally geared centrifugal pumps
2 MB | pdf | 26.01.2020


Sundyne - Process Gas Compressor Overview (EN)

Sundyne - Process Gas Compressor Overview
4 MB | pdf | 26.01.2020


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