- Centerline mounted to allow thermal expansion without jeopardizing the shaft alignment
- Adjustable impeller clearance for long term high hydraulic efficiency
- Extra heavy-duty shaft for low shaft deflection and long life of seal and bearings
- Impeller and casing machining to optimize operation at BEP (best efficiency point) Inducer option to meet customer NPSH restrictions
PRELF end suction pump range
Tailored low flow process pump hydraulic to suit your application
The PRELF is our API 610 (ISO 13709) Type OH2 overhung, horizontal, centerline mounted, single stage, centrifugal process pump, specifically designed for very low flow applications. The compact design offers minimum footprint with reliability and minimum pump life cycle cost. Variable machining options the solution to challenging low flow centrifugal pump services across the Oil & Gas & Petrochemical industry.
- Flare Knock Out (KO) drum pump
- Wash water
- Reflux services
- Caustic circulation and transfer
- Process or sour water drains
Main design features
- Sulzer designed multi-vane open radial impeller
- Stable performance curve with rising head to shut off
- Robust shaft for minimal deflection
- Splash oil, purge mist or pure mist lubrication available
- 300# flange rating standard
Key characteristics
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 |
Temperatures | -46 to 180°C / -51 to 356°F |