Electo Pneumatic positioner is an useful interlinking device controlling cylinder valve movement by means of electric controller or control system with an analog output signal of DC 4 to 20 mA or split range. The salient features of Schrader Electro Pneumatic Positioner are:
There is no resonance between 5-200 Hz.
Works effectively under adverse environmental conditions.
It is economical due to minimal air consumption.
Provision of orifice-disc to prevent hunting in small size actuators.
The convenient changeover from single acting to double acting and vice versa.