本公司生产的系列顶部导向型高压调节阀，采用套筒导向，压 力平衡式阀芯。该系列调节阀主要适用于压差大，工况产生闪蒸、 空化的场合。本阀结构可多样化设计，口径从DN20~DN200mm， 压力范围设计最大可达2500LB，可配用多种规格电气动执行器。 

The series of top-guide type high-pressure regulating valve produced by the company is subject to sleeve guide， pressure balanced valve plug.The series of regulating valves are mainly suitable for the situation of large pressure difference and flash and cavitation.The valve can be designed in a variety of structures， with a diameter of DN 20~ DN200mm， and a maximum pressure range of 2500LB.It can be equipped with a variety of specif cations of electric actuators.