Lug insert Style valve has factory installed SS316 or zinc plated lug inserts.

法兰内嵌结构蝶阀可选择工厂安装316不锈钢或镀锌铁钢法兰内嵌件。

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Valve Service and Maintenance includes installing new seat inserts, cleaning or replacing valve guides, servicing the camshaft and camshaft bearings, and timing the valves.

气门维修包括镶配气门座，清洁或更换气门导管，保养凸轮轴和凸轮轴轴承，气门的正时调整。

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Two insert installing valve is also named inserts again installs the type taper valve or the logical valve.

二通插装阀又称插装式锥阀或逻辑阀。

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