注：如果出现少量的泄漏，则拆卸锁紧螺丝，然后锁住垫圈和阀盖，然后轻轻紧固填料压紧螺母。
NOTE: If minor leakage occurs, remove lock screw, lock washer and cap and lightly tighten packing gland nut.
而压力侧以相同的力削弱了密封，这样使阀盖腔室和阀杆填料几乎总是承受最大管道压力。
The same force tends to reduce the seal on the pressure side with the result that bonnet cavity and the valve stem packing are nearly always subjected to maximum pipeline pressure.
压盖有眼螺栓：有眼螺栓能够安全地紧固阀盖，也可以旋转拆卸，便于方便容易地进入填料函。
Gland eye bolts: eye bolts are securely fastened to the bonnet yet swing away to permit easy access to the stuffing box.
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