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  • OH3 pump
  • ETLS API 610 OIL
  • OH3 API 610

Rodelta ETLS (OH3)

The pump type ETLS (OH3) vertically inline mounted, flexible coupled, radial split case, single stage, single suction, heavy duty centrifugal process pumps. The design complies with the latest edition of the American Petroleum Institute standard 'Centrifugal Pumps For General Refinery Services', also known as API 610/ ISO13709.
The inline configuration is a compact pumping solution that eliminates the need for an expensive baseplate saving valuable floor space. (This pump is also available in close coupled execution pump type ETL (OH5) for very compact applications).

For alternative specifications contact us.

  • chemical industryChemical Industry
  • district heatingDistrict Heating
  • Dry dockDry Dock
  • General IndustryGeneral Industry
  • Marine AplicationsMarine Applications
  • Oil & Gas Down streamOil & Gas Downstream
  • Oil & Gas UpstreamOil & Gas Upstream
  • Power generationPower Generation

Rodelta ETLS (OH3)

Features: ETLS (OH3)

  • According API 610 (OH3)
  • Diffuser design reduces radial loads
  • Reduces minimum flow requirements
  • High efficiency at any duty
  • Alignment free construction
  • In line suction & discharge
  • Space saving construction
  • Stable head characteristics
  • Meets API nozzle load requirements
  • The connection dimensions of the pressure- and suction flange are made according to the British Standard BS4082.
  • Accommodates API 682 seal systems


  • Delivery size up to 200mm
  • Capacity up to 400m3/hr
  • Head up to 180m
  • Suitable for liquid Temperature: Up to 425ºC Depending on Pump size
  • Sealing Arrangement: mechanical seals
  • Flange rating: CI. 150/300
  • API material options available, NACE & ATEX approvals available on request


  • Fluid handling in oil refineries and petrochemical industry
  • High temperature and high pressure critical applications in chemical and allied industry
  • Upstream, pressure booster
  • Midstream, process transfer, bottom reflux, propane/butane/LPG handling, diesel oil/gasoline/naphtha/lube oils etc., sodium carbonate/caustic sour water, MEA/DEA/TEA
  • Fertilizer, carbamates/lean and semi lean solutions, NH3 feed, other removals
  • Power plant, Hot water circulation, condensate transfer, fuel oil
  • Onshore/Offshore installations
  • FSPO platforms
  • Hydrocarbon storage
  • Liquid gas plants

Constructional features:

  • Suction and discharge flanges are available drilled to either ANSI or DIN-EN standards, flange rating comply with API 610 nozzle load requirements.
  • The pump casing, cover and seal cover incorporate a fully confined gasket.
  • Mechanical Seals conform to API 682 / ISO21049 and are fitted into the API compliant seal chamber, either single, double or engineered seals can be accommodated that meet the full process requirements. All seals are provided with the relevant API compliant flushing, cooling, heating, quench and buffer fluid systems and associated pipework. Use of standard electric motor design
  • Grease lubricated bearings are used as standard, optional oil mist lubricated bearings can be used.

This pump is also available in close coupled execution pump type ETL (OH5) for very compact applications.

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  • Design standard BS 4082-1, ISO 13709 BS 4082-1, ISO 13709
  • Features Vertical In-line Overhung OH3,Long coupled (API 610)
  • Capacity @ BEP Upto 400 m3/hr Upto 1760 Gpm
  • Head Upto 180 m Upto 590 feet
  • Temperature range -40 to 425 °C -40 to 795 °F
  • Discharge pressure Upto Cl. 300# Upto Cl. 300#
  • Nozzle Orientation (suc/dis) In line position
  • Standard Motor Sync. Speed 1000/1500/3000 rpm 1200/1800/3600 rpm
  • Suction Pressure Upto 20 Bar Upto 290 psig
  • Max. Operating Speed 3600 rpm
  • Flange ratings(#RF) Cl. 150/300

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