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.
达到规定时间后，检查壳体(包括填料函及阀体与阀盖连接处)是否有渗漏。
Inspecting for the shell including the gland and union between the body and cap to see if there is leakage when reaches to stipulated time.
达到规定时间后，检查壳体(包括填料函及阀体与阀盖连接处)是否有渗漏。
Inspecting for the shell including the gland and union between the body and cap to see if there is leakage when reaches to stipulated time.
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