After soldering, the packing nut may have to be tightened.

焊接后, 可能需要再紧固填料螺母.

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Do not tighten packing nut enough to bind stem.

不要过紧旋转填料螺母,以免粘接阀杆.

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Tighten packing nut lightly if leaks occur around stem.

如果阀杆周围出现泄漏,则轻轻紧固填料螺母.

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Do not tighten packing nut enough to bind stem. This uneven regulation and excessive stem wear.

不要过分紧固填料螺母以防粘合阀杆, 否则将导致调节不稳定和阀杆过度磨损.

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