The pressure boundary is secured by a seal-welded body-bonnet joint and a live-loaded packing chamber.

压力界限通过密封-楔板，阀体-阀帽连接和动负载填料腔来保证。

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The pressure boundary is secured by a seal-welded body-bonnet joint and a live-loaded packing chamber.

压力界限通过密封-楔板，阀体-阀帽连接和动负载填料腔来保证。

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