Multistage submersible electric pump assembled z61216-l6w

CHARACTERISTIC DATA

PUMP:

• Flow rates: up to 78 m3/h.
• Head: up to 700 m.
• Maximum overall diameter of the pump:

- Standard version:

142 mm (including 1 cable cover).

- High head version:

177 mm (including 1 cable cover and coupling with 6" motor).

193 mm (including 1 cable cover and coupling with 8" motor).

• Maximum immersion depth of electric pumps:

300 m (with L4C motor)
350 m (with L6W and L8W motors).

• Maximum amount of sand tolerated in water: 100 g/m3.
• Standard delivery port:

- Standard version:
Rp 2 1/2" for versions Z612-Z616-Z622
Rp 3" for versions Z631-Z646-Z660

- High head version:
Rp 3" for Z612-Z616-Z622-Z631
Rp 4" for Z646-Z660.

• All pumps can work in horizontal position (see operating limits in motor section).

MOTOR

• L4C, L6W and L8W asynchronous three-phase motors in a coolant bath. (see operating limits in motor section).

PUMP CONSTRUCTION FEATURES.

• Rugged and lightweight, easy to maintain and corrosion resistant in non-aggressive environments.
• Head and motor support made of microcast stainless steel.
• Delivery port equipped with holes for safety hooks and locking screws for delivery pipe.
• Built-in stainless steel check valve.
• Stainless steel impellers and diffusers.
• Stainless steel impeller with removable wear ring.
• Tungsten carbide upper and intermediate bearing.
• Technopolymer shaft guide bearings included in each stage.
• Self-centering technopolymer wear rings included in each stage.
• Stainless steel suction support.
• Stainless steel shaft protected by stainless steel shaft sleeves.
• Replaceable coupling.

The combination of:

- Tungsten carbide guide bearing.

- Floating wear rings made of technopolymer.

- Shaft protected by shaft liners.

provides maximum wear resistance ensuring consistency and stability of hydraulic performance over time.