The HZB is a horizontal, radially split, single stage, double suction, centerline mounted pump. The HZB pumps are ideal for use in arduous industrial applications for handling clean, cold or hot liquids as well as for safety-related services in nuclear power stations.
Centerline mounting to allow free thermal expansion and high nozzle loads
Minimum bearing span to minimize shaft deflection
Single cover casing design to reduce overhaul times
Chrome steel casing with good corrosion resistance and excellent mechanical properties is standard; other materials available
Single mechanical seal provides higher efficiency
Booster pumps for large boiler feed water units in thermal and nuclear power stations
Safety-related pumps in nuclear power stations
Double suction impeller with staggered vanes for low Net Positive Suction Head required (NPSHR) and low-pressure pulsations
Different nozzle positions are possible
Amply sized sleeve radial and tilting pad bearings with forced lubrication as standard
Optional self-contained oil lubricated bearings
Stiff shaft ensures that critical speed is a minimum of 20 % above the maximum operating speed
Mechanical seal jacket cooling
Capacities - Up to 5,500 m3/h / 29,000 US gpm
Heads - Up to 340 m / 1,115 ft
Pressures - Up to 48 bar / 700 psi
Temperatures - Up to 220°C / 428°F
Discharge sizes - Up to 400 mm / 16 inches