Armstrong 4280 Motor Mounted Pumps
- Applications-HVAC-system pumping; light industrial / process pumping.
- Description-The Armstrong 4280 horizontal end-suction pumps are equipped with close-coupled motors to minimize footprint requirements.
- Materials(MOC)-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 f (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)
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Description
Benefits & Features
Best-in-class design
- ANSI style centerline discharge casing eliminates casing vapor lock
- Sintered silicon carbide mechanical seal seat for longer life
- Confined casing gasket eliminates blow-outs
- Pre-lubricated and sealed ball bearings for convenient installation (simply pipe, align, wire and start)
- Motor feet mounting only needed with over-hung casing
Compact design
Low energy consumption
- Armstrong 4280 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.
Low operating risk and cost
- Universal replacement seals, bearings, and motors available locally world-wide.
- ANSI-style centerline discharge casing eliminates air binding.
- Pre-lubricated and sealed ball bearings eliminate lubrication requirements.
