... phase lacking, overheat ,liquid level ,over pressure, power failure, oil lacking ,incorrect operation and so on ... four- wire,380V, 50HZ Heating Power :18KW Total Power :20KW Inlet /outlet Diameter(D):32mm Accuracy :≤ 5μm Filter ... L/H)18003000600012000Heating Power (KW)18305490Total Power (KW)20335998Working Noise (Db)70737780Inlet (outlet) Diameter(D)mm25324050Dimensions(cm) ...