Effect of Differential Pressure on Control Valve Lift
The air fed into the diaphragm chamber is the control signal from the pneumatic controller. The most widely used signal
The air fed into the diaphragm chamber is the control signal from the pneumatic controller. The most widely used signal
Spring and diaphragm pneumatic actuators can be “direct-acting”, meaning that air to the diaphragm casing pushes the actuator stem downward.