Excessive temperatuve of cooling water return.
Excessive temperatuve of cooling water return.
(OP)
We currently use a closed loop cooling system to prevent overheating of spot weld gun transformers and weld gun tips. The pumps are fixed displacement pumping through heat exchangers. There are more than 200 spot weld guns in operation. We are experiencing unusually high temperatures on the return piping coming from a series of weld guns.
Any comments on what could be causing the rise in temperatures.
Any comments on what could be causing the rise in temperatures.





RE: Excessive temperatuve of cooling water return.
TTFN
RE: Excessive temperatuve of cooling water return.
Check the pressure gages that should be installed on the inlet and outlet, compare with the other pumps. Install gages if there are none.
Mike Halloran
Pembroke Pines, FL, USA
RE: Excessive temperatuve of cooling water return.
Check the coolant side temperature in/out of the heat exchanger. The problem may be in your chiller system and not the circulation pump.