Generally can be divided into single suction impeller with double suction impeller two.
一般可分为单吸式叶轮与双吸式叶轮两种。
Impeller has a single suction and double suction two suction fluid ways.
叶轮有双吸和单吸两种吸液方法。
Too much wear with dual-suction seal ring or impeller damaged.
双吸密封环磨损过多，或叶轮损坏。
Too much wear with dual-suction seal ring or impeller damaged.
双吸密封环磨损过多，或叶轮损坏。
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