Single-stage fire pumps, as the name implies, have a single impeller. The impeller size dictates the discharge capacity of the pump. These impellers can have a single eye (inlet) or dual eyes.

Ferrara further states, “Our fire pumps utilize a single-volute and single-impeller, whereby other manufacturers are utilizing dual volutes and dual impellers creating a lot more wearable parts ...

In this case, you must follow the rules of NFPA 20, “Standard for the Installation of Stationary Pumps for Fire Protection,” in Chapter 9, Sec. 3.1. Another example is simply that the owner requested ...

Diesel Fire Pumps, Steam Turbines, And Dual Fire Pumps). By Product Type (Horizontal Split Case, Vertical Split Case, Vertical Inline, Vertical Turbine, And End Suction). By Application ...

The fire pump controller is located 6 feet from the main service switchboard, and is fed by dual sources, the normal power and an emergency generator. Is the 6-foot physical spacing acceptable and ...

Stirrup Hand-pump with dual jet and spray nozzle. Used to extinguish the Magnesium {Electron) bomb (incendiary bomb). 30 feet of hose could be used by fire-guards at a safe distance from heat and ...