Fully submersible, multistage pump for pumping industrial and drinking water (ACS rating) with radial or semi-axial impellers in sectional construction for vertical or horizontal installation, with built-in non-return valve. Corrosion-free, three-phase AC motor for direct or star-delta starting with water-glycol filling, alternatively with drinking water filling. Hermetically cast motor with enamel-insulated winding, resin-impregnated or rewindable with PVC-insulated winding, and self-lubricating bearings. The motor is cooled by the pumped fluid. Therefore, the unit must always be operated immersed. The limit values for maximum fluid temperature and minimum flow velocity must be adhered to. Vertical installation is possible with or without cooling jacket. In cases of horizontal installation, a cooling jacket must always be provided .
Scope of delivery:
– Submersible pump with connection cable and ACS rating
– Installation and operating instructions
Operating Data
Fluid media: Water 100 %
Fluid concentration: 100.00 %
Fluid temperature: 20.00 °C
Requested flow:
Requested head:
Max. delivery head: 428.45 m
Unit
Minimum efficiency index (MEI): ≥ 0.4
Pipe connection on the discharge side: ,
Maximum operating pressure:
Max. sand content: 50 g/m3
Protection class motor: IP68
Max. immersion depth: 350 m
Min. fluid temperature: 3 °C
Max. fluid temperature: 30 °C
Net weight, approx.: 131 kg
Max. diameter: 142 mm
Motor data
Motor design: Submersible motor
Mains connection: 3~400V/50 Hz
Rated power: 22 kW
Rated speed: 2,860 1/min
Rated current: 45.3 A
Activation type: Star-Delta (YΔ)
Max. switching frequency: 20 1/h
Motor diameter: 136.7 mm
Min. flow rate at the motor: 0.1 m/s
Cable
Connection cable length: 4 m
Cable cross-section: 2x 4G4
Materials
Pump housing:
Motor housing:
Shaft:
Impeller:
Ordering information
Net weight, approx.: 131 kg
Brand: Wilo
Product description: Sub TWI 6.18-40-C-SD
Article number: On request
