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, light weight, ฯลฯ. It use in the automatic control system of petroleum, เคมี, metallurgical and other industries as a regulating and intercepting device.
ลักษณะและความแตกต่างระหว่างวาล์วประตูลิ่มและวาล์วประตูแบน
พื้นผิวปิดผนึกประตูของวาล์วประตูลิ่มเป็นรูปลิ่ม, นั่นคือ, 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