790712_PNEUMATIC AND ELECTROPNEUMATIC POSITIONER
Single & double-acting Positioner, input signal 4÷20mA or 0.2÷1bar for proportionalcontrol of rotary actuators.
The positioner operates on the force-balance principle by comparing the standard signal transmitted from a pneumatic or an electronic controller device and the angular rotation of the stem, and conveys a positioning amplified pressure to the valve actuator.
STANDARD MATERIALS:
Cover: Polycarbonate.
Body: Die cast aluminium with anti corrosive paint.
Position indicator: Antistatic plastic.
Slide valve (Box): Copper alloy.
Slide valve (Pivot): Stainless steel.
Receiver membrane: Nitrile rubber.