shut-offvalve 截止阀 ; 关闭阀 ; 切断阀

blow-offvalve 排污阀

pop-offvalve 安全阀

leak-offvalve 放泄阀

handcut-offvalve 手动截止阀

on-offvalve 开关阀

draw-offvalve 排污阀

steamcut-offvalve 截汽阀

sluiceshutoff shut-offvalve 断流阀