Version specifically developed to cover the larger size range: 1120, 1250 and 1400.  Intended for operation at higher pressure levels, it is supported on strong rectangular side frames, made of welded steel sections, with a different design according to the required orientation.  Each one of four different variations of each size allows installation with one of the four orientations 0, 90, 180 or 270, as defined in ISO 13349. The impeller is supported on special, heavy-duty roller bearings inside cast-iron pillow blocks with grease point.