Lubi LBH 46 - 5 HP A-Class Insulation Three Phase LBH Series High/Low-Speed Centrifugal Monoblock Pumpset - Lubi centrifugal monoblock pump has a lamination of non-oriented silicon steel. It has a motor windings that are vacuum impregnated with synthetic varnish for moisture resistance. The 3 phase monoblock pump set has a superior mechanical shaft seal to avoid water leakage problem. The machine is made up of better insulating material to withstand high-temperature rise. Some of its typical applications include residential bungalows, construction site, sprinklers, hotels and hospitals.