Domestic water pressure boosting; fire safety ‘jockey’ systems / system pressure upkeep; boiler feed water pumping
The Armstrong 4700 multi-stage pumps are designed for reliability and low maintenance cost
Cast iron or stainless steel casing
Inside single-spring mechanical seal.
Up to 25 L/s (400 USgpm) flow; up to 275 m (900 ft) head
0.37 kW to 37 kW (0.5 hp to 50 hp)
38 mm to 100 mm (1.25" to 4")
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Lowest installed cost. Lowest operating cost.
Design Envelope 6800 Vertical MultiStage Boosters (UK & Europe)