Material Specifications :

• Pump Impeller: Bronze or AISI 304

• Pump Shaft: AISI 304 or AISI 316

• Pump Body: GG25 pig iron or GGG40 pig iron

• Impermeability: Mechanical seal

• Coupling: Flexible coupling

• Bearing: Grease lubrication rolling bearing (bearing service life should be min. 5000 hours)

Pump Equipments :

• Air Release Valve (for both electrical and diesel pumps)

• Casing Relief Valve (only for electrical pumps)

• Manometer on delivery line and vacuum meter on suction line

• Required to be +4°C above the pump room against the risk of

freezing.

Note: The suction and delivery lines of the fire pumps should be fixed to a stable surface with seismic protectors for protection against possible earthquakes and vibrations.