填料压盖用来压紧填料环。

The packing gland is used to maintain compression on the packing rings.

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在最后一环安装完后，将压盖随动件压至盘根环上，并用手指上紧压盖螺母。

After the last ring is installed, bring the follower down on the packing and finger-tighten the gland nuts.

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管接头，该管接头包括接 头管和压盖，压盖和接头管通过螺纹可拆卸式连接，接头管的端头部设置有卡 环座；

The pipe joint comprises a joint pipe and a press cover detachably connected with the joint pipe through screw thread, wherein, a clamp ring base is arranged on the head section of the joint pipe;

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