Midas brand and stock 'O'- Ring mounted multi-spring, balanced seals, specifically designed for Grundfos "S-" series submersible pumps; upper and lower positions. Type 40S8 is for the upper, oil bath position, and Type 42 with the distinctive stationary profile, is for the lower, impellar position, 65mm Size Type 42 lower seal has a distinctive extended barrel with two 'O'- Rings to seal inside impeller recess, as per the original O.E.M. seal.
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