自立式调节阙是利用介质自身能最而实现自动调节的产品.该产品的最大特点就是能在无任 何夕陕能源的场合使用，实现对压力、温度、流遥、液位的调节，达到简化设备，节约能源的效果。 Self-pressure control valve is a product using medium energy to realize automatic adjustment. The biggest characteristic of the product is that it can be used in the situation in the absence of any external energy. Implement the adjustment of the pressure, temperature, flow, liquid level to achieve the effect of simplifying the equipment and saving the energy.