Pneumatic film valve uses compressed air as power to make air act on the rubber diaphragm of the regulating valve, and the shrinkage and expansion of the diaphragm will drive the valve stem to move up and down, so as to achieve the purpose of controlling the medium.
The valve has the advantages of compact structure, sensitive action, S streamline fluid, small pressure drop loss, large valve capacity, accurate flow characteristics and convenient folding.
In many systems, the operating conditions such as temperature, pressure, corrosion, and contamination of pneumatic diaphragm valves are more severe than other components. However, when it controls the flow of process fluids, it must operate satisfactorily and with minimal Maintenance volume. It is widely used in automatic control and regulation of fluids in natural gas, petroleum, chemical, metallurgy, papermaking, power, mining, printing and dyeing, biopharmaceutical, daily chemical, food and beverage, water treatment and air treatment industries.