4392 Fixed Speed

The Armstrong 4392 fixed speed twin pumps are pipe-mounted 2-pump units designed for space-saving installation and duty/standby operation.


  • Cast iron, ductile iron, or bronze casing 
  • Cast iron or bronze impeller
  • Configuration: Inside single-spring mechanical seal
  • Performance Range: Up to 180L/s (2,850 USgpm) flow; up to 90m (300ft) head
  • Temperature: 121°C (250°F)
  • Power: 0.75 kW to 75 kW (1 hp to 100 hp)
  • Size: 32 mm to 200 mm (1.25" to 8”)
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