MSS-20

Summary

Product identification

• Model: MSS-20
• Type: Horizontal multi-stage centrifugal pump with barrel flanged joint construction. Single or dual shell.
• Each MSS model is custom designed to specific customer requirements.

Mechanical / hydraulic

• Hydraulic Design: Horizontal multi-stage centrifugal pump with barrel flanged joint construction. Single or dual shell.
• Materials:
  • Shaft: Duplex SS S31803 ASTM A276/479
  • Shell: Duplex SS S31803 ASTM A276/479
  • Shell Bolting: 316 SS S31600 ASTM A193/A320/F593
  • Inlet/Discharge: Duplex SS S31803 ASTM A276/479
  • Impellers/Diffusers: Passivated & Electropolished 316L SS S31603 ASTM A276/479
  • Motor Adapter: Anodized 713 aluminum A07130 ASTM ZC81A
  • Motor Coupling: Flexible Disc-FNC Treated Carbon Steel S45C ASTM 1045
  • Coupling Guard: 316L S31603 ASTM A276/479
  • Pump Leveling Foot: Carbon Steel - A36 Painted ASTM A36
  • Bearing Drain Line/Throttle Nipple: Super Duplex SS S32750 ASTM A276/479
  • Mechanical Seal: 316 Carbon Silicon Carbide Buna N FITS ISO DIN/ANSI TYPE 2100
  • O-Rings: Buna N®
  • Baseplate: Carbon Steel - A36 Painted ASTM A36
• Fittings:
  • Pipe Joints: Feed Inlet 3” Cut Groove, Feed Outlet 3” Cut Groove
• Bearings:
  • Thrust: FEDCO Water Bearing™
  • Lubrication: Product lubricated, Product fluid
  • Cooling: Product fluid
• Unit Weight (Dry): Contact FEDCO for design weight

Operating limits

• Pump Operating Ambient Temp: 33 - 158 °F (0.6 - 70.0 °C)
• Maximum Storage Temp: 185 °F (85.0 °C)
• Pump Operating Flow Range: 44-150 gpm (10-34 m³/h) (Range may vary)
• Maximum Operating Pressure: 1200 psi (83 bar)
• Nominal Sound: <85 dBA
• Nominal Vibration: 0.05”/sec - 0.15”/sec
• Filtration Requirement: 20 microns

Feed water

• Liquid: Seawater, Brackish water, Fresh Water

Electrical

• Motor: Available per customer specific requirements, NEMA Frame Standard, IEC Available

Performance

• Efficiency (Transfer): Up to 69.2%

Testing and Inspection

• Performance Test: Standard
• Hydrostatic Test: Standard
• Visual/Dimension Check: Optional
• Sound Test: Optional
• Vibration Test: Optional
• Witness Test: Optional
• Certified Test Data: Optional
• Material Certificates: Optional

Options

• Inlet placement available in 90° Increments.
• High pressure inlet and seal package available.
• Crating/Packaging: Export-Wood, Standard Protective Covers, Standard Export Crating.
• Additional Shipping Options: Available per customer requirements.

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

Official datasheet (PDF)

Lenntech datasheet mirror