 |
| Chinese | English |
| 中立关闭阀 | closed center (滑阀在中立位置上，全部通路关闭) |
| 停止信号灯用开关 | stop switch |
| 关封闭 | blank off |
| 关闭断流，截流，切断阀 | cut-off valve |
| 关闭阀 | shut off valve |
| 压力开关继电器，感受器 | pressure switch |
| 快速关断截止阀 | quick disconnect valve |
| 拉线开关电门 | pull switch |
| 断路切断开关 | cut-out switch |
| 浮动球，子，筒，控开关 | float switch |