Steam boiler feed pumps is single shell, multistage centrifugal pump. Both suction and discharge direction are upside, DG pump is supported on foot. Others are centerline supported. Suction section, middle section and discharge section are connected by long studs.

Middle Pressure pumps roll Bearing lubricated thin oil with circulating coolant water,

Hypo-High pressure pumps slip bearing lubricated by thin oil with circulating coolant water, High pressure pumps slip bearing lubricated by force-feed oil

Performance Range

Middle Pressure:      Q=28~185m3/h,  H=276~666m,   Temperature: t=105°C

Hypo-High pressure:  Q=36~180m3/h,  H=409~1056m,  Temperature: t=160°C

Q=52~240m3/h,  H=390~1150m,  Temperature: t=160°C

High pressure:        Q=120~500m3/h, H=1080~1870m,  Temperature: t=160°C

Speed:                  n:   2980/2950rpm

Power:                  P:   75 up to 2500Kw

Standard Material

Suction, discharge and middle Casing:  Carbon steel, Chrome steel

Impeller and guide vane:               Carbon steel, Chrome steel

Shaft:       Chrome steel, Chrome-molybdenum steel

Shaft seal:  Carbon-fiber packing with water cooled, mechanical seal