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, trọng lượng nhẹ, vân vân. It use in the automatic control system of petroleum, hóa chất, metallurgical and other industries as a regulating and intercepting device.
Sáu lý do chính gây hư hỏng bề mặt làm kín van
Bề mặt làm kín van là thành phần quan trọng đóng vai trò quan trọng trong việc đảm bảo hoạt động của van thích hợp. Tuy nhiên, these surfaces are susceptible to various forms of damage due to factors such as corrosion, erosion, and wear caused by the media they … Đọc tiếp