Quote:
Originally Posted by sailhog
For the record, on the MMI flange pump, the lips of both seals face the impeller side of the pump. The lettering on the seals face the flange side of the pump.
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I don't doubt this, but could you explain it? As I understand those seals, one seals against water and the other seals against oil. If they're installed in "parallel" as you say, they aren't similarly aligned against the liquids they're sealing.
What am I missing?