MIL 7400 pneumatic positioner

Structure Control
Valve Motion Linear Motion Valve
Model Name/Number 7400
Material Die Cast Aluminium
Rated Load 100 lb, 250 lb, 300 lb
Stroke Length 1″, 2″, 6″
Speed At Rated Load 8.4 in/min, 8.9 in/min, 16 in/min
Duty Cycle 17%, 18%, 50%
Retracted Length 16-3/4″, 17″, 20″


MIL 7400 pneumatic positioners employ a force balance system to ensure that the position of the valve plug is directly proportional to the controller output signal pressure, regardless of gland friction, diaphragm actuator hysteresis or off-balance forces on the valve plug