7 - Hold top end or motor shaft with screwdriver or open end wrench and screw Impeller CLOCKWISE onto motor shaft until tight. 8 - Replace lockscrew (on 3 phase model only) and turn COUNTER-CLOCKWISE until tight. 9 - Replace gasket and set pump and motor assembly over studs and onto pump …
Condensate boiler feed pumps are only tight, inspect pump end and motor for foreign matter clogging pump or lodging in motor. 2. Check voltage supply and be sure it is same as motor on Remove nuts No. 13 or hex. head cap screw No. 13A or 13B and lift motor and pump unit from pump housing No. 3 for Inspection or repair.
As taking suction from a condensate system is a high pressure application, steam boiler feed pumps are generally high head, low flow pumps, making multistage pumps a common choice. Side channel pumps are also a popular solution for high pressure boiler feed water pumps thanks to their ability to pump liquids with gas content.
The installation instructions call for securing the pin end DE (suction) side of the pump by fully torqueing the base bolts while only tightening the ODE bolts so that you would need a hammer to move the shims. This allows the pump to grow away from the drive coupling which is perpendicular to the pin orientation.
Boiler feed pump | KSB - Pumps, Valves and Service | KSB
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Apr 23, 2020 · A boiler feed pump has a maximum temperature limit that it can handle. Depending on the fluid temperature, your boiler feed pump can be designed to meet the required needs. For the pumping of high-temperature fluids, the boiler feed pump must be equipped with auxiliary cooling.
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