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。
2
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。
3
Two insert installing valve is also named inserts again installs the type taper valve or the logical valve.