HDB and HSB Multistage, Volute Casing, Utility Barrel

HDB and HSB Multistage, Volute Casing, Utility Barrel

Standards
• ASME Section VIII

Operating Parameters
• Flows to 4000 m3/h (17 600 gpm)
• Discharge pressures to 350 bar (5100 psi)
• Temperatures to 250°C (480°F)
• Speeds to 8000 rpm

• Double volute design
• Axially split inner casing
• Opposed impellers
• Heavy-duty forged steel barrel and discharge cover
• Symmetrical upper and lower half inner volutes
• Individually mounted and secured impellers
• Dynamic balancing and TIR verifications on assembled rotor
• One full pressure sealing to atmosphere and one full pressure sealing to suction
• Minimal pressure breakdowns across running clearances
• Sleeve radial and tilting pad thrust bearings
• Baseplate designs and pump packages engineered to contract requirements

flowserve pump