Systems requiring low to medium flow - high head such as domestic water pressure boosting, fire safety (‘jockey’ pumps), boiler feed water, cooling tower make-up water
Armstrong 4700 Vertical Multistage (QVMS) Pumps are high-efficiency, space-saving solutions engineered for applications requiring high pressure, reliability, and energy optimization. Featuring precision-engineered stainless steel hydraulics, advanced mechanical seals, and inverter-ready motors, these pumps deliver exceptional performance across a wide range of flow and head conditions. They offer quiet operation, low maintenance, and long service life, best suited for installations where performance, durability, and compact footprint are essential.
Stainless Steel 304 or 316
4700 Vertical Multistage (QVMS) pumps come with low axial thrust impellers to improve efficiency and equipment life, while Silicon Carbide cartridge-type mechanical shaft seal reduces maintenance cost and time by enabling replacement without disassembling the motor bracket
Up to 180 m³/hr (50 L/s); Head up to 300 m (30 bar)
-15 °C (5 °F) to 120 °C (248 °F)
0.37 kW to 75 kW (0.5 hp to 100 hp)
25mm to 125mm (1″ to 5″)
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Lowest installed cost. Lowest operating cost.
All wetted components are made from high quality Stainless Steel, ensuring the water delivered meets the strictest health requirements
(PDFs)
Design Envelope 6800Q Boosters (China, APAC, MEA, & India)