What does it mean to mark an X on the valve stem of a ship's valve?

Release time:

Dec 11,2025

A cross mark on the valve stem indicates that the valve is currently in the closed position.

This is a common method for indicating valve status on ships, enabling quick and intuitive determination of valve operation for easy identification and management by operators.

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Add:Yuyuan 4th Road, Qingda Industrial Park, Jihongtan Sub-district, Chengyang District, Qingdao City, Shandong Province, China.

Qingdao Exsafe Valve Co., Ltd.

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