The Grundfos SQ pumps are suitable for borehole installation, Raw water supply, irrigation systems, pressure boosting, fountain applications, and mining applications. The material of construction is Stainless steel coupled to an Asynchronous two pole submersible motor made in AISI 304 stainless steel for parts in contact with water. Cooling and lubrication of the thrust bearing and carbon brushes are provided by a mixture of water and glycol.