4380 Vertical Inline Pumps


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


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


• Cast iron or ductile iron casing
• Silicon sintered carbide mechanical seal
• Cast iron or bronze impeller

Configuration: Inside single-spring mechanical seal

Performance range: Up to 2,500 USgpm (160 L/s) flow; up to 300 ft (90 m) head

Temperature: 250°F (121°C)

Power Range: 0.33 hp to 60 hp (0.25 kW to 45 kW)

Size: 1.5" to 8" (40 mm to 200 mm)