Submersible pumps for multistage type with radial impeller and semi-axial flow impellers, suitable for 6" wells. Designed to lift clear and clean waters, they can be used both in the agricultural field, for irrigation, and in the domestic and industrial field to pressurize the water supply with a pressure tank. Capacities from 0 to 66 m3/h, heads from 37 to 430 m.
Maximum pump's diameter 145 mm.
Materials
Stainless steel AISI 304 external shell.
Motor side bracket and head made of brass OT58 (stainless steel AISI 304 available on request).
Stainless steel AISI 304 shaft
Coupling joint of stainless steel AISI 304
Cable guard of stainless steel AISI 304
Suction grid and screws of stainless steel AISI 304
Impeller and diffusers of atoxic polycarbonate, diffuser body of stainless steel AISI 304
Built-in check valve
Motor coupling flange according to NEMA
Technical data
2 Poles asynchronous motor, 50 Hz (n=2900 rpm)
4" submersible motor with oil-bath winding or resinated water-bath on request
6" submersible motor with resinated water-bath winding
Class F insulation
IP 58 protection. Continuous duty.
Single-phase feeding 220/230 V with protection at user's care
Three-phase feeding 380/400 V with protection at user's care
Operation Condition
Maximum temperature of pumped liquid 30°C
Maximum sand's content 40 g/m3
Maximum working time with closed delivery bore: 3 min