PRELF end suction pump range – Thetys Pumps

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PRELF end suction pump range

Thetys Pumps / Products / Pumps / Single stage centrifugal pumps / API 610 and ISO 13709 pumps / PRELF end suction pump range

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.

Main benefits

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

Main applications

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