HPB-250

Summary

Product identification

• Model: HPB-250
• Type: Hydraulic Pressure Booster (HPB™)

Operating limits

• Liquid: Seawater, Brackish water, Fresh Water
• Pump Operating Ambient Temperature: 33 - 158 °F (0.6 - 70.0 °C)
• Maximum Storage Temperature: 185 °F (85.0 °C)
• Minimum Pump-Side Flow: 550.3 gpm (125 m³/h)
• Maximum Pump-Side Flow: 1430.9 gpm (325 m³/h)
• Maximum Operating Pressure: 1200 psi (83 bar)
• Nominal Vibration: ≤3.8 mm/sec RMS (≤0.15”/sec RMS)
• Nominal Sound: <85 bBA

Feed water

• Filtration Requirement: 20 microns

Product water

• Brine Outlet Pressure: Varies upon design
• Brine/Feed Mixing: None

Mechanical / hydraulic

• Unit Weight (Dry): 225.6 lbs (102.37 kg)
• Pipe Joints:
  • Feed Inlet/ Outlet: 4” Cut Groove
  • Brine Inlet/ Outlet: 3” Cut Groove
• Bearings:
  • Radial: Sleeve, product lubricated
  • Thrust: Hydrostatic/ hydrodynamic type, Rotor-Flo™ design
• Cooling: Product fluid
• Lubrication: Product fluid
• Auxiliary Valve Actuator: Manual or FEDCO supply
• Hydraulic Design:
  • Turbine: Impeller and turbine vanes are custom designed and machined for optimal efficiency at design conditions.
  • Pump: Impeller vanes and diffuser ring are built to customer specifications.
  • Brine Control: Integral variable area auxiliary nozzle.

Materials

• Rotor: Super Duplex SS S31803 ASTM A276/479
• Bearings: Non-metallic
• Casing (Inlet/Discharge): Super Duplex SS ASTM A995-13 6A
• Fasteners: 316 SS S31600 ASTM A193/A320/F593
• O-Rings: Buna N®
• Diffuser: Ertalyte ASTM D638/D3418 (Super Duplex SS S32750 ASTM A276/479 optional)
• Baseplate: Carbon Steel - Painted ASTM A36

Performance

• Maximum Boost Pressure: Contact FEDCO for specific data
• Standard Efficiency: Up to 74.8%
• Optional High Efficiency Unit: Up to 78%

Testing and inspection

• Standard Tests: Performance Test, Hydrostatic Test, Rotor Balance Certificate
• Optional Tests/Certificates: Visual/Dimension Check, Witness Test, Certified Test Data, Material Certificates

Packaging and crating

• Protective Covers: Standard
• Export Crating: Standard (Export-Wood)
• Additional Shipping Options: Available per customer requirements

Miscellaneous

• Foundation, Nozzle Loading, Pipe Flushing, Instrumentation Requirements, Membrane Cleaning, Check Valve Location: Per FEDCO supporting documentation.

Disclaimer: This summary is based on extracted text and may not include all figures, footnotes, or the latest revisions from the official OEM PDF datasheet. Contractual data must always match the specific OEM PDF revision used on the project.

Official datasheet (PDF)

Lenntech datasheet mirror