Flowserve® WUJ Wet Pit Pump

The Flowserve® WUJ wet pit pump is a multistage, heavy-duty vertical turbine pump compliant with ISO 13709/API 610 (VS1). Designed for continuous, un-spared service in severe wet pit or deep well applications, it supports high-pressure and temperature-extreme duties with engineered flexibility.

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  • API 610 / ISO 13709 VS1 design supports heavy-duty vertical turbine service
  • Radial or mixed-flow hydraulics help match pump performance to application requirements
  • Continuous un-spared duty capability suits severe services with high pressure and extreme temperature demands
  • Double-suction first impellers utilized to improve NPSH conditions when required
  • ATEX Zone 0 / Category 1 compliance is available for qualified applications

Flowserve

Hydraulic Institute

ISO 13709 / API 610

ISO 21049 / API 682 seal chamber and seal flush plans

ASME VIII, Div 1 and ASME IX

ATEX, PED, AD2000

  • Flows to 500 m³/h (2200 gpm) for radial hydraulics; to 3000 m³/h (13200 gpm) for mixed flow hydraulics
  • Heads to 2000 m (6500 ft) for radial hydraulics; to 600 m (1950 ft) for mixed flow hydraulics
  • Temperatures from -200°C (-325°F) up to 350°C (660°F)
  • Pressures to 200 bar (2900 psi) for specific radial hydraulics; to 64 bar (930 psi) for specific mixed flow hydraulics

Size Range:

  • 55 hydraulics (radial hydraulics / mixed flow hydraulics)
  • Up to 20 stages
  • Installation length up to 40 m (131 ft)

Documents & Support

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