I think I know the type of pump you have, they have four carbon-like blades that are flung out at centrifugal force against the chamber?
Is there a possibility you can get replacement blades from the manuf.? it is a very simple design.
Are you sure the noise is coming from the vanes?
Al.
__________________ CNC, Mechatronics Integration and Machine Design.
“Logic will get you from A to B. Imagination will take you everywhere.”
Albert E. |