I am continuously having pump issues and replacing frequently. What is wrong?
With the long history of NOP pumps being used abroad, typically it is not the pump, but instead what the pump is pumping. There are pumps still out there on machine tools continually still running for 20+ years with no issues. We have seen multiple pumps damaged just from neglect and improper filtered fluids. If the fluid going into the pump is dirty from a lack of proper inlet filtration, then the G-rotor will seize and trip the pumps thermal overload in the electric cabinet. To some extent we have seen the G-rotor completely cracked from metallic shavings entering the pump and all caused from dirty fluids and incorrect filtration. Also, if the rear of the motor fan is clogged up with coolant goop, then the motor will run hot and radiate to the NOP pump and decrease the pump life. If you are using a HWM we may suggest to use a HWMC type as this is a ceramic shaft and will hold up to abuse better. Q: Can I use a HBM pump (Oil) in place of a HWM pump (coolant) A: No, because of the loca
