Pump Bearing Bracket Cooling water lines
Pump Bearing Bracket Cooling water lines
(OP)
Hello,
I have come across a recent pump installation (picture attached), where basically there is one port the cooling water piping is connected too however there is a T valve and the outlet lines go to two different headers Cooling water inlet and cooling water outlet. I do not understand how such a system works, since it is supplying inlet and outlet from the same port. If anyone has had experience with such a system would appreciate your thoughts.
Thanks
I have come across a recent pump installation (picture attached), where basically there is one port the cooling water piping is connected too however there is a T valve and the outlet lines go to two different headers Cooling water inlet and cooling water outlet. I do not understand how such a system works, since it is supplying inlet and outlet from the same port. If anyone has had experience with such a system would appreciate your thoughts.
Thanks





RE: Pump Bearing Bracket Cooling water lines
RE: Pump Bearing Bracket Cooling water lines
RE: Pump Bearing Bracket Cooling water lines
Attached are some standard drawings of cooling systems. Maybe the schematics will assist you.
Heinz P. Bloch'a book, "Practical Machinery Management for Process Plants" states that bearing cooling is rarely needed and is more trouble that what it is worth. Maybe the cooling system is not working.
RE: Pump Bearing Bracket Cooling water lines
RE: Pump Bearing Bracket Cooling water lines
Are the cooling lines for the bearing housing in parallel with the cooling lines to the seal coolers or in series? If they are in series, they could not pinch on the cooling water to the housing without limiting the cooling water flow to the cooler. There is no downside to over-cooling the seal cooler.
Some of our boiler feed water pumps in the boiler house use demineralized water for cooling. This water is ice cold and could easily cool the bearing housing so cold that moisture from the air would condense in the oil system.
That would be my best guess for the reason for this arrangement. Without a schematic of the entire piping system, I am making some assumptions that could be false.
Johnny Pellin
RE: Pump Bearing Bracket Cooling water lines
RE: Pump Bearing Bracket Cooling water lines
Johnny Pellin