| 1. | Hydraulic fluid power - cylinder actuator mounted valves - standard dimensions for mounting surfaces
液压气动缸传动安装阀安装表面的标准尺寸 |
| 2. | All valves are available with hand - wheels , gearing , electric motor actuators or pneumatic or hydraulic cylinder actuators
所有阀门都可配置手轮，齿轮操作机构，电动马达执行机构，或者气动或液动缸体执行机构。 |
| 3. | Cylinder actuators can be provided with manual overrides for emergency valve actuation , fail safe mode and other accessories
缸体执行机构可以配置针对紧急状态下的手动过载装置，阀门驱动，故障安全功能和其它附件。 |
| 4. | They are less readily adaptable to fail - safe operation than cylinder actuators because they generally require more stored energy
这种执行机构与缸体执行机构相比，比较不适用于故障安全操作，因为电动马达执行机构通常需要更多的储备能源。 |
| 5. | All pacific gate , globe and non - return valves can be supplied with electric , air , gas or hydraulic driven motor actuators or cylinder actuators
所有美国太平洋闸阀、截止阀和止逆阀(单向阀)都可以配置电动、气动或液动马达执行机构或缸体执行机构。 |
| 6. | Handwheel ? large handwheels for easy operation . also available with gearing , motor actuators or cylinder actuators for more difficult services
手轮-易于操作的大手轮。也可配置齿轮操作机构，马达执行机构或缸体执行机构，以满足更高的应用环境要求。 |
| 7. | See actuators & accessories section for : bevel gear , spur gear , chain wheel , motor or cylinder actuators ; bypasses , drains or auxiliary piping ; special packing , etc
参阅执行机构和附件章节，了解：伞齿轮，正齿轮，链轮，马达或缸体执行机构；旁路，排泄，或辅助管路；特殊填料，等等。 |
| 8. | Single er valve ' s control equation is derived two mathematic models of er valve - cylinder actuator is constructed according to control methods of er valve - cylinder . and a position control system based on er valve - bridge actuator is simulated . the result shows that the system has good dynamic performance
根据电流变阀对液压缸的控制方式，建立了两种由电流变阀控制液压缸组成的电流变阀控系统动力元件的数学模型，并对电流变阀桥路结构式的动力元件组成的阀控位置系统进行了仿真。 |
