![Wilo-Actun OPTI-MS Wilo-Actun OPTI-MS](../template/teplo/images/1621311451.png)
Example | Wilo-Actun FIRST SPU4.01-10-B/XI4-50-1-230 |
Actun | Product line |
FIRST | Series designation |
SPU | Type designation („Submersible Pump for Universal use“ with plastic impellers) |
4 | Nominal pump diameter in inches |
01 | Rated flow in m³/h |
10 | Number of steps |
B | Technical generation |
XI | Identifies the installed engine, the series is mostly made of stainless steel (Inox) |
4 | Nominal motor diameter in inches |
50-1-230 | Electrical version; 50Hz, 1~230V |
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
Submersible pump for vertical or horizontal installation.
Hydraulic part
Multistage submersible pump with radial or semi-axial impellers in split casing design. Built-in check valve. Stainless steel parts in contact with fluid.
Electric motor
Corrosion proof single phase or three phase electric motor, rewindable with direct start possibility. With mechanical seal, self-lubricating bearings, filled with oil.
Cooling
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.
The Wilo CAD online library contains DWG drawings of Wilo pumping equipment. In this library, the dimensions of the pumping equipment are given as a guideline. Please note that the contents of the Wilo CAD online library are subject to technical changes.
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