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Deep well submersible pumps to use the environment and conditions: 1, the power frequency of 50Hz, the rated voltage of 300v or 660v (tolerance + -5%) of the three-phase AC power 2, solids content (by mass) , The temperature of the conveying medium does not exceed 100 ℃ 4, the water inlet of the water pump must be below the moving water level lm, but the diving depth does not exceed 70m of the static water level, and the bottom of the electric pump should be at least lm 5 from the bottom of the well. Tube must not be staggered
Aero engine bearings, we have been deeply engaged in this field for 20 years, and have been highly recognized by customers in actual use，aircraft engine bearings