[PSUBS-MAILIST] motor seal

[Alec Smyth via Personal_Submersibles]

Hi Hank,

I don't know anything about submersible pumps, but might it just be that
the high pressure is on the inside in that application? For oil
compensation I did not reverse the seals. If the pressure differential is
less than what the seal can tolerate, I really see no reason to change
anything or to provide positive pressure (which could blow a seal out). I
would just fill the space between the double seals with grease and that's
it.

Best,

Alec

On Wed, Dec 14, 2016 at 8:16 AM, hank pronk via Personal_Submersibles <
personal_submersibles at psubs.org> wrote:

> Hi All,
> I took a submersible pump apart to find that it has one seal and it is
> backwards compared to the Minn Kota.  Maybe the trick is to reverse the
> seal when the motor is oil filled.
> Alec, is that what you did, I remember you and Cliff talking about that.
> Hank
>
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