Flowserve® ESP3 Vertical Metallic Sump Pump

Flowserve ESP3 is a rugged vertical wet-pit immersion sump pump engineered for demanding chemical process service. With Durco Mark 3-style components and parts interchangeability with ASME B73.1 horizontal pumps, it helps simplify inventory, support reliable operation and reduce lifecycle costs.

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  • Standardized parts help reduce inventory requirements through interchangeability with ASME B73.1 horizontal pump components
  • Reverse vane impeller design supports repeatable performance throughout the pump lifecycle
  • Material options, bearing choices and flush plans help improve reliability in difficult process fluids
  • Installation-focused features are designed to lower maintenance effort and total cost of ownership

  • Flows to 1300 m3/h (5700 gpm)
  • Heads to 116 m (380 ft)
  • Pressures to 12 bar (175 psi)
  • Temperatures to 180°C (350°F)

Size Range:

  • Sizes from 25 mm (1 in) to 200 mm (8 in)
  • Pit depths to 6 m (20 ft); greater depths achievable with optional tailpipe

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