Internal valve trim is designed to ensure long service life and avoid unnecessary maintenance.

内部装饰阀的设计,以确保使用寿命长,避免不必要的维修.

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All internal valve components shall be removable and repairable while the valve body remains in line.

在阀门处于在线状态下所有阀门部件都是可拆卸和可维修的.

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