...OPEN):在关闭状态下把ADAPTER按逆时针方向旋转90度 齿轮箱的开关回转180度左右,箭头90度开关动作 完全关闭状态(FULL CLOSE)。
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在阀完全关闭的状态下 Pinch Open
门合页应该是可调节的,以便能够在卫生间空闲时将门保持在半开或完全关闭状态。
Hinges shall be adjustable to hold doors of unoccupied compartments partially open or fully closed.
在阀门完全关闭状态下,阀杆在连接法兰顶端上方需高出至少相当于阀杆直径两倍的长度。
With the valve in the fully closed position the stem length shall protrude a distance of at least twice that of the stem diameter above the top of the mounting flange.
旋启式止回阀压降最小,能够完全自动关闭,即在介质流动停止、重力和介质倒流的状态下自动关闭阀门。
Swing-type check off er the least pressure drop and offer simple automatic closure; when fluid flow stops gravity and flow reversal closes valve.
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