聚四氟密封球型安全切斷閥    PTFE Metal seated ball valve
防靜電結構       將球體操作過程中積累的電荷導出，防止靜電產生火花
防火結構         一旦火災發生，軟密封閥座燒毀，還有硬密封閥座，防止易燃易爆介質泄漏。產品制造設計獲得API 607防火認證。
 
閥桿防爆出裝置   設計采用下裝軸，防止中軸爆出，并且自激軸向密封
自動卸壓裝置     球體上有壓力平衡孔，保證閥體安全。

Prevent Static           Export unused charge so as to prevent static 
Fireproofing structure    In case of fire

soft seal seat ring was burnt, and the rigidity seal seat ring can prevent the flammability operating medium 
Fixed Stem     The stem was set below, and it can prevent the stem out of the equipment 
Pressure Relief Automatically  There are balance hole on the ball