Jan 24, 2012 · We are facing a regular problem with our boiler feed water pumps "high NDE bearing temperatures axial & radial Pump : GABBIONETA AHP-DS-300-200-6 Oil Type : TURBO 32, recommended by vendor Speed :3000 rpm Driver : electrical motor We suspected,high temperature due probably to the oil lubrication not adequate waiting for your recommendation
BOILER FEED PUMP PRE-CHECKS SAFE STARTING AND SHUT DOWN OF PUMP - ASKPOWERPLANT
Before shaft material change and bearing housing redesign the thrust bearing was running over 200F. Pump was taken out of service at less than a 24 hour run time. After modifications the bearing housing runs between 160F to 180F and has been in service for nearly one year without any repairs. 166
Boiler feed pump | KSB - Pumps, Valves and Service | KSB
Jul 02, 2010 · Thanks for the response..here are the details you asked. Its made by WEIR PUMPS LTD., the suction pressure is 2.0barg and the discharge is 130 barg. its an electric driven, 8 stages centrifugal pump which is supposed to handle saturated boiler feed water @ 110 deg C.
Boiler feed pumps operate at fluid temperatures of 160 to 210 ºC. In exceptional cases the temperature of the fluid handled may be higher still. Feed pumps for 1600 MW nuclear power stations are constructed for mass flow rates of up to 4000 tonnes/h and feed pump discharge pressures of 70 to 100 bar.
Jan 31, 2018 · Bearing oil temperature of the booster pump should be checked for normal and should be within the limit. 14. Oil temperature at outlet of cooler around 85 degree Celsius.if the temperature is high check the adequate water is flowing through the cooler and if not inform UCB (unit control Board). 15.
Apr 23, 2020 · For the pumping of high-temperature fluids, the boiler feed pump must be equipped with auxiliary cooling. For example, for handling liquids above 220˚F (104˚C), water-cooled ball bearings should be added. The boiler feed pump can be damaged when there is an increase in the fluids temperature within a short period of time. Chemical composition
What You Need To Know To Properly Size Boiler Feedwater Pump