全衬的舌头和衣领。

Fully padded tongue and collar.

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氟塑料全衬球阀系列产品，是各类球阀中应用最为广泛的一种结构形式。

This series product is the most widely used spherical valve among spherical valves of various kinds.

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所有阀门的内部轴承均采用自润滑式滑动轴承，材质采用碳钢全衬聚四氟乙烯。

All the valve's internal self-lubricating bearings are sliding bearings, the whole material the use of carbon steel PTFE liner.

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