water pump / electric / centrifugal / industrial
4322 series S. A. Armstrong Limited



  • Media:


  • Operation:


  • Type:


  • Domain:


  • Other characteristics:

    spring, integrated, process, control, stainless steel, composite

  • Flow:

    56 l/s (14.7936 us gal/s)

  • Head:

    48 m (157'05")

  • Power:

    Max.: 7.5 kW (10.2 hp)

    Min.: 0.75 kW (1.02 hp)


ApplicationsHVAC-system pumping and control; general purpose pumping; industrial/process pumping and control (water or glycol based)
DescriptionPipe-mounted 2-pump unit with integrated intelligent controls for space-saving installation, superior energy performance, and parallel-pumping or full redundancy operation. Saves up to 75% in energy over comparable traditional constant speed or variable frequency operated pump installations. Remote services through internet to enhance reliability and sustain optimal performance over life of pumps.
Ductile iron e-coated casing
Stainless steel impeller
Sintered silicon carbide mechanical seal
ConfigurationOn-board Intelligent Variable Speed controls with Sensorless control. Split-coupling design and outside balanced or inside single spring mechanical seal. Controls enclosure UL type 12 or UL type 4X for outdoor applications. 1-10hp range standard with iECM motors that reduce losses by more than 20% over NEMA Premium efficiency. Network capable for remote performance management services.
Performance rangeUp to 900 USgpm (56 L/s) in parallel flow and 160 ft (48 m) head (composite curves available)
Temperature300˚F (150˚C)
Power Range1 hp to 10 hp (0.75 kW to 7.5 kW)
Size1.5" to 3” (40 mm to 80 mm)