4700 Vertical Multi-Stage Pumps

Brand: Armstrong Fluid Technology
Does not ship to OH, United States

The Armstrong 4700 MultiStage Pumps are designed for reliability and low maintenance cost
Features
  • Armstrong 4700 pumps are equipped with high-efficiency NEMA-premium motors for significant reduction in energy consumption and cost 
  • All motors are suitable for inverter-fed service
  • Anti-erosion measures in high-velocity areas of intermediate pump casing 
  • Square-edge 6 and 12 spline shaft design for reduced impeller wear 
  • Casing venting to prevent air entrapment and dry running 
  • Tungsten carbide pump bearing and silicon carbide mechanical seal seat for extended durability 
  • Flexible floating outer casing to compensate for differing temperature applications

Specifications

Materials

  • Cast Iron
  • Stainless Steel Casing

Performance Range

  • Up to 400 USgpm (25 L/s) flow, up to 900 ft (275 m) Head

Temperature

  • 250° F (121° C)

Power Range

  • 0.5 hp to 50 hp (0.37 kW to 37 kW)

Size

  • 1.25” to 4” (38 mm to 100 mm)

  • Domestic water pressure boosting; fire safety ‘jockey’ systems / system pressure upkeep; boiler feed water pumping
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