Durable because all parts in contact with the pumped liquid are resistant to corrosion.
Built-in check valve
Resistant to wear because of pop-up impellers
Service friendly electric motor
Multistage submersible motor pump 4" casing version for vertical or horizontal installation
|Example||Wilo-Actun FIRST SPU4.01-10-B / XI4-50-1-230|
|SPU||Type designation (& bdquo; Submersible Pump for Universal use & ldquo; with plastic impellers)|
|4||Nominal pump diameter in inches|
|01||Nominal flow rate in m & sup3; / h|
|10||Number of steps|
|XI||Indicates the installed motor, the series is mostly made of stainless steel (Inox)|
|4||Nominal motor diameter in inches|
|50-1-230||Electrical design; 50 Hz, 1 ~ 230 V|
Submersible pump for vertical or horizontal installation.
Multistage submersible pump with radial or semi-axial impellers in split casing design. Built-in check valve. Stainless steel parts in contact with fluid.
Corrosion proof single phase or three phase electric motor, rewindable with direct start possibility. With mechanical seal, self-lubricating bearings, filled with oil.
Motor is cooled by pumped liquid. The motor may only be operated when submerged. The maximum temperature limit of the pumped liquid must not be exceeded and the minimum flow must not drop below the minimum allowable level. Vertical installation can be done with or without a cooling jacket - customer's choice. A cooling jacket is required for horizontal installation.