Pneumatic diaphragm valve is a new type of electric valve that uses compressed air as the power source and converts the pneumatic signal into an electrical signal through an actuator to drive the valve action. It has the advantages of simple structure, small volume, سبک وزن, و غیره. It use in the automatic control system of petroleum, شیمیایی, metallurgical and other industries as a regulating and intercepting device.
ویژگی ها و تفاوت های شیر دروازه ای گوه ای و شیر دروازه ای تخت
سطح آب بندی دروازه شیر دریچه گوه ای شکل گوه ای است, به این معنا که, it forms a certain angle with the center line of the gate. Push the gate to close through the valve stem. As the valve stem thrust increases, … Read more