4700 Vertical Multi-Stage Pumps
Brand: Armstrong Fluid TechnologyThe Armstrong 4700 MultiStage Pumps are designed for reliability and low maintenance cost
Features- Armstrong 4700 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
- Anti-erosion measures in high-velocity areas of intermediate pump casing
- Square-edge 6 and 12 spline shaft design for reduced impeller wear
- Casing venting to prevent air entrapment and dry running
- Tungsten carbide pump bearing and silicon carbide mechanical seal seat for extended durability
- Flexible floating outer casing to compensate for differing temperature applications
Specifications
Materials
- Cast Iron
- Stainless Steel Casing
Performance Range
- Up to 400 USgpm (25 L/s) flow, up to 900 ft (275 m) Head
Temperature
- 250° F (121° C)
Power Range
- 0.5 hp to 50 hp (0.37 kW to 37 kW)
Size
- 1.25” to 4” (38 mm to 100 mm)
- Domestic water pressure boosting; fire safety ‘jockey’ systems / system pressure upkeep; boiler feed water pumping