4380 Vertical In-Line Single Pumps

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4380 Vertical In-Line Single Pumps

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4380 vertical in-line pump
4380 vertical in-line pump Front
4380 Vertical In-Line (VIL) Single Pumps

  • Summary
  • Applications

    HVAC-system pumping; light industrial/ process pumping (water or glycol based)

  • Description

    The Armstrong 4380 pipe-mounted pumps are designed for space-saving installation and long service life

  • Materials
    • Cast iron, ductile iron, or bronze casing 
    • Cast iron or bronze impeller
  • Configuration

    Inside single-spring mechanical seal

  • Performance Range

    Up to 132 L/s (2,100 USgpm) flow; up to 150 m (450 ft) head

  • Temperature

    121°C (250°F) 

  • Power

    0.25 kW to 45 kW (0.33 hp to 60 hp) 

  • Size

    40 mm to 200 mm (1.5" to 8") 

Low installed cost

  •  Vertical In-line design eliminates the need for inertia bases, housekeeping pads, flex connectors, and field alignment or grouting requirements 
  •  Vertical In-line design minimizes space and pipe requirements 
  •  No lubrication or seal adjustments required
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Low energy consumption

  •  Armstrong 4380 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 
  •  Vertical In-line design minimizes pipe requirements and related friction losses resulting in higher system efficiency




Low operating risk

  •  Advanced seal design (sintered silicon carbide) for zero lubrication and seal adjustments 
  •  Universal replacement seals, bearings, and motors available locally world-wide 
  •  Vertical In-Line design allows for service without disturbing the pump casing 
  •  TWIN design for full redundancy in case of emergency or routine servicing
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4360 & 4380 Vertical In-Line Pumps - brochure

4380 Vertical In-Line Pumps - brochure

HE Series motors - brochure

Legacy - Energy Savings - brochure

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