内置的止动装置为动力执行机构提供行程保护，并且作为参考坐标在开启和关闭位置定位阀瓣。
Internal stops provide positive over travel protection for power actuated valves and act as a reference to position the discs in the open and closed positions.
包括液压定位盘、液压整形盘、行走滚轮及位于装置外部的超高压液压动力站系统。
The reshaping device comprises a hydraulic positioning disk, a hydraulic reshaping disk, a walking roller wheel and an extra high pressure hydraulic power station system positioned outside the device.
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