本蝶阀适用于石油、化工、冶金、给排水、工业环保等下水道及工艺流程配置中,作双向启闭或调节介质流量之用(安装时采用立式安装,手轮向上)。
This butterfly valve is suitable for the installation of oil,chemical,metallurgy,water supply and drainage,industrial environment protection and other process flow and process flow.