Alarko AL 6", 7", 8", 10", 14" Submersible Pumps
Water supply in towns and rural areas
Sprinkling - irrigation
Water pressurisation in all buildings industrial water supplies
And for all general pumping of clear water from standard sink and bore holes
Range of capacities: 6-540 m³/h
Heads up to: 458 m Wc
Max. well water temperature: 30 ºC
Max. sand content: 50 g/m³
Discharge (ND): 50 to 250
Pumps suitable for water temperature up to 40 ºC
Control panel for motor protection and running with water level electrodes.
Power supply cable
Submersible motors alone
Multistage centrifugal pump
Pump shaft, coupling, suction strainer bearing sleeve and external housing sleeve (for 6010-6015-6020-6031 types), casing wear ring (for 6010-6015-6020-6031- 8028-8048 types) are made of stainless steel.
Radial Noryl impellers and diffusers for small flows, semiaxial cast-iron or bronze impellers and diffusers for large flows
Sliding bronze bearings or rubber bearings cooled and lubricated by well water
Max. operating time at closed valve position is 5 min.
847 types of pump.
Water filled and cooled squirrel cage type
Wet stator windings insulated PVC, PP or XLPE
Graphite radial and axial bearings and stainless steel bearing pads.
Stainless steel motor external housings and rotor shafts for 6" & 8" motors
Carbon steel motor external housings and heat treated steel rotor shafts for 10" motors
Supply voltage: 3 phase 380 V, 50 Hz (60 Hz optional)
Shaft extensions & axial load carrying capacities are according to NEMA standards.