"4"" multi-impeller borehole pumps for clean water, designed for water boosting, gardening and irrigation, lifting water from boreholes in residential building service, commercial building service and irrigation systems also for agriculture.
Hydraulic part built in stainless steel AISI 304, technopolymer is used for the parts in contact with water. Impellers and diffusers in technopolymer. Built-in check valve and suction filter. Single-phase version with manual resetting thermo-amperometric protection and condenser in the electrical control panel to be ordered separately (except for the kit version). The three-phase version must be protected by the user.
Oil filled motor
4OL is a two-pole asynchronous motor in AISI 304L stainless steel for parts in contact with water. The cooling and lubrication of the ball bearings is guaranteed by a special liquid approved for food use. The rewindable stator is inserted in an AISI 304L stainless steel jacket secured by steel pins to the upper motor support. Equipped with a carbon-ceramic mechanical seal.
Motor suitable for use with inverters (30 Hz - 50 Hz). Electrical panel supplied or to be ordered separately depending on the configuration chosen. In the three-phase version the protection is the responsibility of the user.
Available as standard:
- Only pump body
- Pump body with oil-filled motor
- Kit with pump body and motor, power supply cable, cord and control box for single-phase version."