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VALVE LOCKOUT DEVICE WITH VIEWING PORT AND METHOD
VALVE LOCKOUT DEVICE WITH VIEWING PORT AND METHOD
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机译:具有观察口的阀门锁定装置及方法
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摘要
A valve lockout device with viewing port is disclosed herein. The valve lockout device with viewing port includes a first clamshell member, a second clamshell member, and a hinge pivotably connecting the first clamshell member and second clamshell member. The valve lockout device with viewing port is useful for observing the operational state of a valve when it is locked out for maintenance tasks.
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