本公司生産的[De]系列自力式[Shi]微壓調節閥是一種無需外來[Lai]能源的[De] 節能型産品，利用工業管道中介質的(De)壓力變化與(Yu)信号進行比[Bi]較， 使被調節介質的[De]力與[Yu]執行機構的輸出力[Li]平衡，以達到穩定壓力、 差壓值。 

The series of self operated micro pressure regulating valve produced by the company is an energy-saving product without external energy. The pressure change and signal of the medium in the process pipe- line are compared to make the force of the regulated medium and the output force of the actuator balance， so as to achieve stable pressure and differential pressure.