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Factors causing too low suction pressure in centrifugal pumps

2009-02-02View Original

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①The installation height of the suction pump is too high, while the pouring head of the pouring pump is too low; ② The local resistance in the pump’s suction pipe is too high; ③ The temperature of the liquid being pumped is higher than the specified value; ④ The operating point of the pump deviates too much from the set point; ⑤ The system pressure in a closed system decreases.

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