Recent content by obidi

Thanks for your responses: jet1749 brought up some points that we're yet to look into. Thanks, all.

I'm pumping aqueous solution with chemistry --nothing heavy. And, the pump is always immersed. I don't think it can run dry under such condition. Can it?

Thanks TenPenny, Artisi: It fails at 70 deg. F, not just at elevated temp. And, in some cases, it fails as soon as it is installed, after successful pre-field test.

Mag drive pump tested to 104 Volts (minimum. spec) fails in the field after a brief use. No visible component damage. When the 1400 Gauss magnet is replaced with another 1400 Gauss (or higher)magnet it consistently works. The replaced magnet consistently has a reduced Gauss reading following...