The valve stem with its grooved rings and positioning sleeve indicates the throttled position of the valve.

阀杆及其沟槽环和定位套筒显示阀门的节流位置。

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NOTE: the valve is shipped in the closed position. The indicator on the plastic sleeve is aligned with the vertical scribed line on the stem.

注意：阀门装运时是处于关闭位置。塑料套筒上的指示器与阀杆上的垂直刻线对齐。

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