Sulzer Ltd.

- Model SMD - Axially Split Casing Double Suction Pump



The SMD pumps are designed for a wide range of raw, clean, sea and brackish water applications. To meet the demands of the individual applications, the SMD benefits from a best-in-class hydraulic design that is combined with two specific mechanical envelopes; Standard SMD and Configured SMD.

Main benefits
  • A wide range of configurations including standard pumps to meet any specific application need
  • Optimum hydraulic fit with high efficiency maintained over a wider flow range
  • Exceptionally low Net Positive Suction Head Required (NPSHR) value not only at the best efficiency point but also on overload
  • Maintenance-friendly features; excellent interchangeability of parts
  • Horizontal and vertical constructions to allow flexible pump station designs
Main applications
  • Water abstraction
  • Water transport
  • Desalination
  • Water treatment
  • Water supply and distribution
  • Irrigation, drainage and flood control 
  • District cooling / heating
Main design features
  • Double volute for all sizes with innovative cutwater for minimum radial load pulses
  • Multiple hydraulics per volute optimized by Computational Fluid Dynamics (CFD)
  • 360° bearing bracket with grease or oil lubricated bearings for 100 000 bearings life time
  • Finned bearing bracket equipped with maintenance-free bearing isolators; fan cooling option for optimum bearing performance
  • Dry shaft design

Key characteristics

Capacity : 200 to 25,000 m3/h / 1,100 to 110,000 USgpm
Head : Up to 260 m / 850 ft
Pressure : Up to 34 bar / 490 psi
Temperatures : Up to 140ºC / 280ºF
Discharge sizes : 150 to 1,000 mm / 6 to 40 inches

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