Thetys Pumps SRL
Tel: +40 744 595 445
Str. Teheran, nr. 11, sector 1,
011931 Bucuresti, Romania

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OHH overhung single stage pumps – Thetys Pumps
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OHH overhung single stage pumps

Thetys Pumps / Products  / Pumps  / Single stage centrifugal pumps  / API 610 and ISO 13709 pumps / OHH overhung single stage pumps

OHH overhung single stage pumps

Unique designs for all applications

The OHH is our API 610 (ISO 13709) Type OH2 overhung, horizontal, centerline mounted, single stage, radially split process pump. It has the broadest performance range in the industry and is used in heavy-duty refinery, petrochemical, gas processing and offshore oil production services.

Main benefits
  • Finned bearing housing and fan cooling for long bearing life
  • Broadest range map in the industry for ISO 13709 (API 610) type OH2 pumps
  • Heavy Duty baseplates with 2x ISO 13709 (API 610) nozzle load option
  • ISO 21049 (API 682) cartridge type mechanical seals for reduced emissions
  • Electric motor or steam turbine drivers
Main applications
  • Seawater booster for critical services
  • High-temperature vacuum bottoms
  • Low pressure unit charge
  • Light Vacuum Gas Oil (LVGO) and Heavy Vacuum Gas Oil (HVGO)
  • Fractionation bottoms
Main design features
  • Robust shaft for minimal deflection
  • Casings designed for 2x ISO 13709 (API 610) nozzle loads
  • Oil ring, purge mist or pure oil mist lubrication available
  • 300 # flange rating standard. 600# optional
  • 11,000 Net Suction Specific Speed (NSS) standard
  • Optional improved suction performance on most sizes
Key characteristics
Capacities Up to 2,250 m3/h / 10,000 US gpm
Heads Up to 360m / 1,200 ft
Pressures Up to 75 bar / 1,100 psi
Temperatures From -75 to 425°C / -100 to 800°F
Discharge sizes From 25 to 400 mm / 1 to 16 inches
Maximum speed of rotation Up to 3,600 rpm
Performance range
OHH Performance Range 50 Hz
Performance range 50 Hz
OHH Performance Range 60 Hz
Performance range 60 Hz

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