ĐỘNG CƠ ĐÓNG MỞ VAN VA7700 SERIES – JOHNSON CONTROLS

VA-7700 Series Electric Valve Actuators
The VA-77xx Series synchronous motor driven actuator, for valves in heating, ventilation and air conditioning applications, is available for floating (3-point) control or proportional control 
with 0-10 V position feedback signal.
The actuator can be combined with VG7000, VG9000 and VGS8… valves
non spring return actuator has a 500 N nominal force and responds to a variety of input signals
Model Number : 
VA-7700-1001, VA-7700-1003, VA-7740-1001, VA-7740-1003, VA-7706-1001, VA-7746-1001