Astra Automatyka > Produkty > Linear valve actuators > Rotary actuator for ball valves VA1000 SR JOHNSON CONTROLS
Rotary actuator for ball valves VA1000 SR JOHNSON CONTROLS

Sterowanie trzypunktowe i proporcjonalne.
These electric actuators operate various plant valves series in response to variety of input signals. It’s mechanical return spring assures a defined sa...

Sterowanie trzypunktowe i proporcjonalne.
These electric actuators operate various plant valves series in response to variety of input signals. It’s mechanical return spring assures a defined safey position in case of power shut off.
The VA1000 valve actuators are used to control valves in HVAC systems. They are of modular construction so that the required type of control signal is achieved simply by fitting a module with the required function in-situ. It can be mounted onto VG8000, VG8300 and VG9000 series valves.

24 VAC and 230 VAC power supply
Floating and Proportional control
Manual override
Automatic stem coupling
Actuator fixed to valve with one ring nut
Self adjusting, automatic stroke adjustment, calibrated pressure control at the end positions
2 aux. switches, feedback potentiometer and split range unit available
IP66
Selectable characteristic curve
Selectable running time


Product comparison
Model 24 V Acctuator Power consumption Protection class Nominal stroke
VA1220-GGA-1 2000N; Spring return retracts 17VA IP66 49mm
VA1420-GGA-1 2000N; Spring return extends
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