4280 Motor Mount Pumps


HVAC-system pumping; light industrial/ process pumping


The Armstrong 4280 horizontal end-suction pumps are equipped with close-coupled motors to minimize footprint requirements.


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

Configuration: Inside single-spring mechanical seal

Performance range: Up to 2,000 USgpm (125 L/s) flow; up to 400 ft (120 m)

Temperature: 250°F (121°C)

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

Size: 1" to 6” (25 mm to 150 mm)