Description
Sulzer Pump Centrifugal PRER and PRETR single-stage high-pressure pumps-unbeatable high-pressure and high-temperature performance in a single-stage, end-suction pump.
Key Technical Specifications:
At 50 Hz,
Capacities: up to 2’000 m3/h
heads: up to 320 m
pressures: up to 200 bar
temperatures: up to 400°C
At 60 Hz,
Capacities: up to 8’800 US gpm
Heads: up to 1’050 ft.
Pressures: up to 2,900 psi
Temperatures: as high as 752 °F
Why Choose Sulzer PRER / PRETR?
Choose PRER or PRETR when you need single-stage pumps built for high-pressure and high-temperature environments , such as power plant boiler circulation or hot-water systems. These pumps feature reinforced casings and centerline-mounted designs , allowing reliable operation up to 200 bar and 400 °C , with minimal maintenance thanks to their heavy-duty shafts and taper-roller thrust bearings
Main Features
Reinforced pressure-rated casing with 600#, 900#, and 1500# RF flange options
Closed impeller for clean fluids; semi-open impeller with wear plate available for slurry services
Extra heavy-duty, large-diameter shaft for minimal deflection at high pressure
Taper-roller thrust bearing paired with radial bearings to handle intense suction loads
Robust carbon-steel bearing housing with cooling fins and low-noise fan; water-cooled option available
API 682 mechanical seal in an API 610 seal chamber — for extended seal life under pressure
Applications
Built to handle the toughest tasks, including:
Boiler water circulation in fossil and renewable power plants
Hot-water circulation under high temperature
General high-pressure pumping duties
