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.
... Read more Read less- 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)





















