Grease Injector at Seat Ring and Disc of Globe Valve. 截止阀的阀座环和阀瓣上的润滑油注入器。
Globe valves are usually installed with the inlet below the valve seat. 安装截止阀时，通常把进口安装在阀座下方。
Where an air distribution valve manifold is used and its air sub-header shutoff valve is not accessible from the manifold, a shutoff valve at the manifold shall be provided. 如果使用了空气分布阀门集管，其空气分支总管切断阀不应通过此集管，而应为集管安装切断阀。
Each instrument requiring an air supply shall be supplied with an individual combination air filter and relief type reducing regulator and an adjacent individual shutoff valve. 要求使用仪表风的每个仪表应配备单独的混合空气过滤器和泄压型调压阀及相邻的单独切断阀。
