The corrosion-resistant pneumatic diaphragm valve is suitable not only for highly corrosive dosing applications, but also for open/close applications. The type 604/605 pneumatically actuated dosing ...

Instead of trying to make an air-tight piston, he added a rubber membrane and a clever valve system to create a diaphragm air engine. This GIF is worth 115 words.

The DV509-UV-LF, a high-duty diaphragm valve for dispensing ultraviolet ... a return spring snaps the diaphragm shut after the air signal is removed. I&J FISNAR INC. Fair Lawn, NJ. (201) ...

Forces related to the valve, actuator, and process will be identified. Equations will be developed for the solution of these forces, and the resulting actuator sizing selection criteria will be ...