General Description 产品简介   This SDNR valve is use KMH series Hydraulic multi-turn actuator direct install on the gate valves or global valves etc, by using worm and gear and thrust bearing, this type of actuator can run smoothly, and high output torque ,low noise and high reliable, can reach IP68, Its torque 150~7000Nm, valve size from DN100 to DN500 or above, the valve with cert of major classification society according to requirement. 这款螺旋止回阀是使用KMH系列的液压多回转执行器直接安装在闸阀或截止阀等阀门上， 由液压马达与齿轮蜗轮蜗杆箱组成动力，进行阀门开关的液压多回转执行机构，具有运 作平稳，扭矩大，噪音小，达到IP68防护等级，可以进行水下浸没安装，扭矩从150Nm到 7,000Nm, 阀门尺寸从DN100到DN500或更大尺寸,阀门根据要求带有主要船级社证书.                                          Technical Data 技术参数 Application: Vessel’s fore peak ballast tank inner side installed screw down valve etc    用途:船舶艏尖舱等 Hydraulic pressure工作压力: 60~150Bar Hydraulic oil 液压油选用： 32~68#，（recommended推荐46# hydraulic oil） Output torque输出扭矩: 150Nm~7000Nm Output thrust输出推力: 50KN~900KN