Construction Vertical multi-stage pumps with suction and delivery connections of the same diameter and arranged along the same axis (in-line). Corrosion-resistant bearing sleeves lubricated by the pumped liquid. A pump with thrust bearing and sleeve coupling for use of any standard motor with V1 construction. Applications For water supply systems. For clean non-explosive liquids, without solid, filamentary or abrasive matter (with adaptation of sealing materials on request). A universal pump for civil and industrial use, for pressure-boosting systems, fire-extinguishing systems, high-pressure washing plants, irrigation, agricultural uses and sport installations. Operating conditions Temperature of liquid: from -15 °C to +110 °C. Operating environment temperature: up to 40 °C. Maximum permissible pressure in pump casing: 25 bar. Motor Standard-type: 2-4 pole induction motor, 50 Hz. Classification scheme EFF2 or EFF1 (High efficiency) on request. Construction IM V1 (EN 60034-7). Insulation class F. Protection IP 55. three-phase with rated voltage: up to 3 kW 230/400 V; from 4 kW 400/690 V. Rated speed of rotation (50 Hz): MXV = 2900 rpm MXV4 = 1450 rpm