All main components are made of grey cast iron GG25. Two individual mechanical seals (motor side in the oil chamber, impeller side in contact with the liquid) and high quality parts, ensure the perfect functioning and reliability of the product. The VT 4 poles Series is used for transport of water with heavy suspended solids. High performance and a wide channel permits its use in industry, including tanneries and farms, and for the movement of water contaminated with soil, or containing large solid pieces. Vortex Impellers give ample solids handling. Maximum 40°C liquid temperature. Maximum immersion 20 metres. Complete with 10 metres of power cable.