阀门传动装置 [机] valve actuating gear
[机] valve actuator
- 石油气泵室上所有阀门开关传动装置的构造及密封装置;
Construction and sealing arrangement of the closing mechanism for all valves at pump well; - 当阀门运输时传动装置及传动部位应悬空,以防止传动轴受力过大变形损坏。
Transmission device and part should be hung up when the valve is transported in order to prevent damage of axle. - 当阀门水平放置运输时传动装置及传动部位应悬空,以防止传动轴受力过大变形损坏。
Transmission device and part should be hung up when the valve is in horizontal in order to prevent damage of axle.