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ITEM 1350: 7.5 HP LIGHTNIN MIXER: MODEL 73S7.5: MOTOR IS 7.5 HP, 1800 RPM, TEFC, 460/3/60. OUTPUT SPEED ON MIXER IS 68 RPM; SHAFT IS 316 STAINLESS STEEL. 3 DIAMETER STEPPED DOWN TO 2 IN LAST 30 OF LENGTH. OVERALL SHAFT LENGTH IS 192. IMPELLERS ARE A-310 DESIGN. UPPER TWO IMPELLERS ARE 45 DIAMETER AND BOTTOM ONE IS 20 DIAMETER. SHAFT SEAL IS MECHANICAL TYPE C, SEAL CODE T-3 RATED FOR 100 PSIG AT 250°F; FLANGE SIZE IS 12. LUBRICATOR IS TYPE 2A DEAD END LUBE. MIXER WAS ORIGINALLY DESIGNED TO INSTALL IN A 108 DIAMETER X 201 TALL TANK WITH 4, 10 BAFFLES.
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