4700 Vertical Multistage Pumps

Applications

 

Domestic water pressure boosting; fire safety ‘jockey’ systems/system pressure upkeep; boiler feed water pumping

 

Description

 

The Armstrong 4700 Multistage Pumps are designed for reliability and low maintenance cost

 

Materials

 

Cast iron or stainless-steel casing

 

Configuration

 

Inside single-spring mechanical seal.

 

Performance range

 

Up to 400 USgpm (25 L/s) flow; up to 900 ft (275 m) head

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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)