Description

Sulzer Pump Centrifugal PRELF end suction pump range – unmatched low-flow precision, compact footprint, and long-lasting hydraulic efficiency.

Key Technical Specifications:

• Capacities: Low flow design from just 3m³/hr / 12 US gpm

•  Heads: up to 210 m. / 690 ft.

• Pressures: up to 40 bar / up to 580 psi

• Temperature: -46 to 180°C / -51 to 356°F

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  Why Choose Sulzer PRELF?
  Choose the Sulzer PRELF when you need a precision low-flow pump with high hydraulic efficiency and compact size. As an API 610 OH2 overhung pump with centerline mounting , it allows for thermal expansion without misalignment. Its adjustable impeller clearance ensures long-term performance , making it ideal for critical low-flow applications in oil & gas and petrochemical industries

  Main Features
  Centerline-mounted design for precise alignment under temperature variation
  Sulzer

  Adjustable impeller clearance to sustain high hydraulic efficiency over time

  Extra heavy-duty shaft minimizes deflection , extending seal and bearing life

  Multi-vane open radial impeller engineered by Sulzer for stable, rising-curve performance to shut-off
  GlobalSpec

• Lubrication options include splash oil, purge mist, or pure oil mist
  300# flange rating standard across the range

Applications
Purpose-built for critical low-flow applications, such as:

Flare knock-out drum pumping

Wash-water circulation

Reflux services

Caustic chemical transfer

Process or sour-water drain systems

Choose the PRELF for its flare drums , caustic wash systems, or sour-water drains, it delivers dependable performance under demanding conditions , with robust Sulzer engineering and API-compliant reliability.