单进入阀门-小心紧固单活接头螺母。

Single Entry Valves - CAREFULLY tighten single Union Nut.

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这些包括完整的阀门总成，但不包括活接头螺母和端口连接件。

These include complete valve assembly, less union nuts and end connectors.

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卡套式管接头由三部分组成：接头体、卡套、螺母。

Bite type fitting consists of three parts: body, cutting ring and nut.

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接头组件由接头和外套螺母组成。

Joint assembly is consisted by joint and wrap nut.

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接头组件由接头和外套螺母组成。

Joint assembly is consisted by joint and wrap nut.

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